MALICIOUS — 84646c664e245bdfcd08feb8e4491610b9df8d6e373b7577ffe4da557e0e4d05

MALICIOUS — 84646c664e245bdfcd08feb8e4491610b9df8d6e373b7577ffe4da557e0e4d05 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 5 ATT&CK techniques.

Identification

SHA-256: 84646c664e245bdfcd08feb8e4491610b9df8d6e373b7577ffe4da557e0e4d05
SHA-1: 3053d3452034d3802194853750b1013e9c03eea3
MD5: 8c1f33fe7dddb4b0ff27d5def3093751
imphash: 31d1c48ee7d8e07a5706e963146db875
ssdeep: 49152:H15bfhfbGBUOBOVio0OzBQ9nCMlqGZAlQLYFiD9YeJ3:jZCK8n+X+73
TLSH: T13B5D7C9A00172022D4F9ED45F421D9DCD073F859D934998E9203DA1BD1A9EBBBBF00E6
Submitted as: 84646c664e245bdfcd08feb8e4491610b9df8d6e373b7577ffe4da557e0e4d05
File type: pe · Size: 2657608 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 15 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
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 30 external host(s) at runtime (10 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://perfetto.dev/docs/contributing/getting-started#community - static signal, weight 0.35, 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)

56798 behavior events · 2 ATT&CK techniques · 64 dropped files.

Dropped files

/opt/CAPEv2/storage/analyses/9278/files/224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e - 224897747f9230bb490083fff22f31a43c90c98aca0eb57c471f48d47c56903e
/opt/CAPEv2/storage/analyses/9278/files/089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5 - 089151cb1077034b1f7ac161265281bfa4f9e0d3eceb3b96f828bb2e6255cdc5
/opt/CAPEv2/storage/analyses/9278/files/d63702fe0bd5bf7e5cafddd58349a625036e9b70e78d6d80d1d6a897b9dbad28 - d63702fe0bd5bf7e5cafddd58349a625036e9b70e78d6d80d1d6a897b9dbad28
/opt/CAPEv2/storage/analyses/9278/files/0e30c51ac086b6b5dae2ae7039af88c090316805aa0927ab4e2f007895f3841f - 0e30c51ac086b6b5dae2ae7039af88c090316805aa0927ab4e2f007895f3841f
/opt/CAPEv2/storage/analyses/9278/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5
/opt/CAPEv2/storage/analyses/9278/files/4b4aff4267767008ed9c511c369a6e01000452e5d8e2330d95689af0e35f8756 - 4b4aff4267767008ed9c511c369a6e01000452e5d8e2330d95689af0e35f8756
/opt/CAPEv2/storage/analyses/9278/files/2575c8471ba2b88cfb1d65dcd49eaba71ec4bfb867492b9acb03760b18330690 - 2575c8471ba2b88cfb1d65dcd49eaba71ec4bfb867492b9acb03760b18330690
/opt/CAPEv2/storage/analyses/9278/files/af2eacdc5171455ac8df56f669fdede4c190d29b3ba4439ec541beda490d28eb - af2eacdc5171455ac8df56f669fdede4c190d29b3ba4439ec541beda490d28eb
/opt/CAPEv2/storage/analyses/9278/files/821183c2603bd5e6b268762844a45925764da6ec051dcb69a148dc0327cf8aeb - 821183c2603bd5e6b268762844a45925764da6ec051dcb69a148dc0327cf8aeb
/opt/CAPEv2/storage/analyses/9278/files/bcce98670e14be492001f9eaa24bdbc79542e3a0a0a306e9606dc8de1be3f510 - bcce98670e14be492001f9eaa24bdbc79542e3a0a0a306e9606dc8de1be3f510
/opt/CAPEv2/storage/analyses/9278/files/13062a6adc45371149c5b205cf86b0b5f663b39771fc704129783c87cbf7b01a - 13062a6adc45371149c5b205cf86b0b5f663b39771fc704129783c87cbf7b01a
/opt/CAPEv2/storage/analyses/9278/files/c2af39cd735fff0c32600813866ae952325cd64757a8855552c7fa4583da80bc - c2af39cd735fff0c32600813866ae952325cd64757a8855552c7fa4583da80bc
/opt/CAPEv2/storage/analyses/9278/files/98948bb68681f3c27710c49481bf91c56b177e64dae91e5704cb71ed6b5e9c3a - 98948bb68681f3c27710c49481bf91c56b177e64dae91e5704cb71ed6b5e9c3a
/opt/CAPEv2/storage/analyses/9278/files/0d314ba4c190c9b47945aa09bcf9d37d407f16b94944e5669dcd79245bcd935b - 0d314ba4c190c9b47945aa09bcf9d37d407f16b94944e5669dcd79245bcd935b
/opt/CAPEv2/storage/analyses/9278/files/af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73 - af9809d2f5f78db7e5bbe36497225f46a820f773710aa2beca4282669f360e73

Embedded URLs

https://perfetto.dev/docs/contributing/getting-started#community
http://schemas.microsoft.com/SMI/2020/WindowsSettings
https://www.microsoft.com
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=1786401744&P2=404&P3=2&P4=Cstr3taW22ulRdDhu4%2fC6ib%2bub2APY3RCl6b8ihdnEv1PS4j%2bQ%2fElKt3kfg9wnfO%2fA34RiJo2dyjmdmbKBGMgg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

openssl.org
mutex.cc
field.cc
time.cc
utils.cc
rds.descriptor.name
descriptor.name
perfetto.dev
regex.cc
allocator.cc
executor.cc
parser.cc
blink.net
registry.cc
thread.cc
sequence.cc
values.cc
mem.cc
regexp.cc
re2.cc
tostring.cc
simplify.cc
parse.cc
onepass.cc
nfa.cc

Embedded IP addresses

192.168.0.30
192.168.8.1
20.184.175.19
4.230.171.124
85.210.196.11
4.144.132.223
135.232.92.137
135.232.92.97
20.42.73.31
135.234.160.245
172.178.240.163
40.84.85.40
203.26.79.13
184.84.165.136
74.179.71.159
92.223.78.30
72.153.5.136
52.148.114.188
52.110.12.19
52.110.12.51

More Viking samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report