MALICIOUS — 8cfe82cc7df675f45f822aafc1aa964240979990ebede8125be50eedb762855a
MALICIOUS — 8cfe82cc7df675f45f822aafc1aa964240979990ebede8125be50eedb762855a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Viking family. 7 of 25 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
8cfe82cc7df675f45f822aafc1aa964240979990ebede8125be50eedb762855a - SHA-1:
c85f01ab354fd5ac08fb683ff1786c0257ede3f1 - MD5:
2c0135e3ce8add94a3d08156c12945d7 - imphash:
31d1c48ee7d8e07a5706e963146db875 - ssdeep:
49152:HddwBzQ496JP3vXK4S9LPor/GZLKtqZtuz5SaRgAEzV+V7p0aTgGz:4BOUdulz - TLSH:
T1435B9E5582131273F1FAD854BC5099ECC4B2F0BC5079C94DA383DCAE90E6A3BDAE4265 - Submitted as: 8cfe82cc7df675f45f822aafc1aa964240979990ebede8125be50eedb762855a
- File type: pe · Size: 2160424 bytes
- Verdict: malicious (100/100) · Family: Viking
Detections (7 of 25 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- YARA: JPCERT/CC: JPCERT_Emotet
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Virus:Win32/Viking.MS
- Emsisoft (Emergency Kit): Trojan.Agent.FPMF
- Kaspersky (KVRT): Virus.Win32.Lamer.xe
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 100/100 is the fusion of 17 weighted signals:
- Dropped a malicious payload (Viking): 224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e - dynamic signal, weight 0.80, confidence 0.90
- Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - Microsoft Defender flagged Virus:Win32/Viking.MS (rule
Virus:Win32/Viking.MS) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Trojan.Agent.FPMF (rule
Trojan.Agent.FPMF) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Virus.Win32.Lamer.xe (rule
Virus.Win32.Lamer.xe) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 32 external host(s) at runtime (11 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: JPCERT/CC flagged JPCERT_Emotet (rule
JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule
TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://config.edge.skype.com/config/v1/, https://config.edge.skype.net/config/v1/, https://collector.azure.microsoft.scloud/OneCollector/1.0/ - static signal, weight 0.35, confidence 0.60
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
58236 behavior events · 2 ATT&CK techniques · 66 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- ctldl.windowsupdate.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- www.bing.com
- tas02.sls.update.microsoft.com
- fe3cr.delivery.mp.microsoft.com
- v10.events.data.microsoft.com
- slscr.update.microsoft.com
- watson.events.data.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/9271/files/224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e -
224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e - /opt/CAPEv2/storage/analyses/9271/files/089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5 -
089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5 - /opt/CAPEv2/storage/analyses/9271/files/d63702fe0bd5bf7e5cafddd58349a625036e9b70e78d6d80d1d6a897b9dbad28 -
d63702fe0bd5bf7e5cafddd58349a625036e9b70e78d6d80d1d6a897b9dbad28 - /opt/CAPEv2/storage/analyses/9271/files/0e30c51ac086b6b5dae2ae7039af88c090316805aa0927ab4e2f007895f3841f -
0e30c51ac086b6b5dae2ae7039af88c090316805aa0927ab4e2f007895f3841f - /opt/CAPEv2/storage/analyses/9271/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 -
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - /opt/CAPEv2/storage/analyses/9271/files/4b4aff4267767008ed9c511c369a6e01000452e5d8e2330d95689af0e35f8756 -
4b4aff4267767008ed9c511c369a6e01000452e5d8e2330d95689af0e35f8756 - /opt/CAPEv2/storage/analyses/9271/files/6217286f26f66c0af3bde0921938f89eb6fd505e9e7cce3a518e3ef9c179937f -
6217286f26f66c0af3bde0921938f89eb6fd505e9e7cce3a518e3ef9c179937f - /opt/CAPEv2/storage/analyses/9271/files/821183c2603bd5e6b268762844a45925764da6ec051dcb69a148dc0327cf8aeb -
821183c2603bd5e6b268762844a45925764da6ec051dcb69a148dc0327cf8aeb - /opt/CAPEv2/storage/analyses/9271/files/bcce98670e14be492001f9eaa24bdbc79542e3a0a0a306e9606dc8de1be3f510 -
bcce98670e14be492001f9eaa24bdbc79542e3a0a0a306e9606dc8de1be3f510 - /opt/CAPEv2/storage/analyses/9271/files/13062a6adc45371149c5b205cf86b0b5f663b39771fc704129783c87cbf7b01a -
13062a6adc45371149c5b205cf86b0b5f663b39771fc704129783c87cbf7b01a - /opt/CAPEv2/storage/analyses/9271/files/c2af39cd735fff0c32600813866ae952325cd64757a8855552c7fa4583da80bc -
c2af39cd735fff0c32600813866ae952325cd64757a8855552c7fa4583da80bc - /opt/CAPEv2/storage/analyses/9271/files/af4c1d1de549cc7999310c4ee9fc5d8ba03e3c29b522ee0a3ebf9fe548bfde98 -
af4c1d1de549cc7999310c4ee9fc5d8ba03e3c29b522ee0a3ebf9fe548bfde98 - /opt/CAPEv2/storage/analyses/9271/files/0d314ba4c190c9b47945aa09bcf9d37d407f16b94944e5669dcd79245bcd935b -
0d314ba4c190c9b47945aa09bcf9d37d407f16b94944e5669dcd79245bcd935b - /opt/CAPEv2/storage/analyses/9271/files/af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73 -
af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73 - /opt/CAPEv2/storage/analyses/9271/files/713880aa1376670acde86e61051b770266f68c260846083a2dae59a42cc9c210 -
713880aa1376670acde86e61051b770266f68c260846083a2dae59a42cc9c210
Embedded URLs
- https://config.edge.skype.com/config/v1/
- https://config.edge.skype.net/config/v1/
- https://mdav.us.endpoint.security.microsoft.com/ecs/config/v1/
- https://us-mobile.events.data.microsoft.com/OneCollector/1.0
- https://us-v20.events.endpoint.security.microsoft.com/OneCollector/1.0
- https://eu-mobile.events.data.microsoft.com/OneCollector/1.0
- https://eu-v20.events.endpoint.security.microsoft.com/OneCollector/1.0
- https://uk-mobile.events.data.microsoft.com/OneCollector/1.0
- https://uk-v20.events.endpoint.security.microsoft.com/OneCollector/1.0
- https://au-mobile.events.data.microsoft.com/OneCollector/1.0
- https://au-v20.events.endpoint.security.microsoft.com/OneCollector/1.0
- https://ch-v20.events.endpoint.security.microsoft.com/OneCollector/1.0
- https://in-v20.events.endpoint.security.microsoft.com/OneCollector/1.0
- https://tb.events.data.microsoft.com/OneCollector/1.0
- https://pf.events.data.microsoft.com/OneCollector/1.0
- https://collector.azure.microsoft.scloud/OneCollector/1.0/
- https://mobile.events.data.microsoft.com/OneCollector/1.0
- https://ecs.office.com/config/v1/
- https://mobile.events.data.microsoft.com/OneCollector/1.0/
- http://schemas.microsoft.com/SMI/2020/WindowsSettings
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.msftconnecttest.com/connecttest.txt
- http://203.26.79.13/filestreamingservice//files/736bdc20-582e-46c5-ba31-d31d3d97258e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/736bdc20-582e-46c5-ba31-d31d3d97258e?P1=1786401488&P2=404&P3=2&P4=Xm%2fcbCCdNdybcvu0QFQp6MCwnXjyeFVrqte2zmdrlAt5kJUYx0XOswbtM93Uz7yv6t9pq7GzYJ7j2hfDnmLr1w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- config.edge.skype.com
- config.edge.skype.net
- mdav.us.endpoint.security.microsoft.com
- us-mobile.events.data.microsoft.com
- us-v20.events.endpoint.security.microsoft.com
- eu-mobile.events.data.microsoft.com
- eu-v20.events.endpoint.security.microsoft.com
- uk-mobile.events.data.microsoft.com
- uk-v20.events.endpoint.security.microsoft.com
- au-mobile.events.data.microsoft.com
- au-v20.events.endpoint.security.microsoft.com
- ch-v20.events.endpoint.security.microsoft.com
- in-v20.events.endpoint.security.microsoft.com
- tb.events.data.microsoft.com
- pf.events.data.microsoft.com
- mobile.events.data.microsoft.com
- ecs.office.com
- endpoint.security.microsoft.com
- properties.name
- schemas.microsoft.com
- www.microsoft.com
- crl.microsoft.com
- collector.azure.microsoft.scloud
Embedded IP addresses
- 192.168.0.30
- 192.168.8.1
- 3.8.249.1
- 51.105.71.137
- 52.123.252.224
- 4.144.132.223
- 4.230.171.124
- 85.210.193.152
- 135.233.95.144
- 40.79.163.154
- 135.232.92.97
- 74.179.77.204
- 135.233.45.222
- 52.182.141.63
- 203.26.79.13
- 135.234.160.244
- 52.123.252.229
- 20.165.94.46
- 184.84.165.136
- 72.153.5.136
- 57.155.101.212
- 52.148.114.188
- 52.110.12.51
- 52.110.12.54
File paths
- C:\ProgramData\Microsoft\Windows
More Viking samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report