MALICIOUS — 32d2611cfd1d1cc72e50860d45fda93a3e5eeab53dd562871251d4d20c5f3c31
MALICIOUS — 32d2611cfd1d1cc72e50860d45fda93a3e5eeab53dd562871251d4d20c5f3c31 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Amhfbyrbndc family. 8 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
32d2611cfd1d1cc72e50860d45fda93a3e5eeab53dd562871251d4d20c5f3c31 - SHA-1:
6ec44b4df3086ad20496350023e8b215845a2c71 - MD5:
9edf79935cf21c918caa5896d5ad7f19 - imphash:
0c75723fedd9c27bef321a9d944591c8 - ssdeep:
384:fo9q5pG7Vbjz0QhuvmtSh/6kTMklKBcdDtI7JliSwlmerfVjuujQA+CJw2Y:GqDSbP0w+mFko/B8I7JUSiVfVyLA+Ku - TLSH:
T14D2CCF6D02E095FDDBFF806914066B6F18D2F12C7A12C9582D247AA75CD8AF374D2C11 - Submitted as: 32d2611cfd1d1cc72e50860d45fda93a3e5eeab53dd562871251d4d20c5f3c31
- File type: pe · Size: 24921 bytes
- Verdict: malicious (99/100) · Family: Amhfbyrbndc
Detections (8 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Amhfbyrbndc-9891058-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:Microsoft Linker
- Microsoft Defender: Trojan:Win32/Androm!pz
- Emsisoft (Emergency Kit): Gen:Trojan.Heur.D.bmIfbyRbNDc
- Trellix Stinger (McAfee): Agent-FQY!9EDF79935CF2
- Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Amhfbyrbndc-9891058-0 (rule
Win.Malware.Amhfbyrbndc-9891058-0) - engine signal, weight 0.90, confidence 0.95 - 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 27 external host(s) at runtime (23 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule
DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, Microsoft Linker - static signal, weight 0.25, confidence 0.55
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
280 behavior events · 2 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- test.besthotel360.com
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\jNboGh3JWJUJ.exe -
dd2a8ebd832ecf593741cacd7c5d13383cbc68b4a022215c8c86b3747347f599 - c1e208bdaf58cba0fbf463f348831c8ba3c160b9319a43c5221ee1ceeaf56fa0 -
c1e208bdaf58cba0fbf463f348831c8ba3c160b9319a43c5221ee1ceeaf56fa0
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787787374&P2=404&P3=2&P4=PY9b07MJdOBySxAR9cpdVybjkQAdpDvF358VOr8gRASQUGwTZ1Y7zQocBYifTT%2bRiNOkDOZuZaYALOHGaGeSLw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787787445&P2=404&P3=2&P4=PiU67V6%2fqWIHey4u0wEsOPhXCKkO0pDXbL%2bmPqtO%2fk6O0s4xnU2VbsY%2bTY2kHIBOGtdXvOGMXHJG7qZdFrp6RA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- aefd.nelreports.net
- test.besthotel360.com
Embedded IP addresses
- 20.184.175.11
- 52.123.252.244
- 4.230.171.124
- 52.253.84.76
- 48.211.4.16
- 74.178.76.128
- 74.179.77.164
- 4.150.223.101
- 20.165.94.63
- 20.112.250.133
- 40.99.134.2
- 52.123.129.14
- 57.155.101.212
- 172.178.240.163
- 52.123.252.192
- 92.223.78.30
- 52.123.252.246
- 135.232.92.34
- 203.26.79.13
- 52.148.114.188
- 52.110.12.49
- 52.110.12.26
- 52.123.252.231
- 72.153.5.96
- 4.150.223.107
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report