MALICIOUS — b3b916b7787a991c2f648f8464a68e0fc00e67c63501b962f7395c36b8f36d68
MALICIOUS — b3b916b7787a991c2f648f8464a68e0fc00e67c63501b962f7395c36b8f36d68 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Cerbu family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
b3b916b7787a991c2f648f8464a68e0fc00e67c63501b962f7395c36b8f36d68 - SHA-1:
d48c5bf9ddfb338453db1dbb7fe0e72fbe22b8a3 - MD5:
fccfe56061f00eb36caa1c744d96ca95 - imphash:
5ab4a5fa77f7cef108828b3d18928877 - ssdeep:
1536:dY3oRXGDBmCsUyE7r5ky252/JVI8AP56Rmh2oRO356D3XEBEfbV:dYsiky25IVIb56Qh2o0p6D3XEWfbV - TLSH:
T1E03B29B8425BA332F1FAED756C258CDC8814B0AC5176616C9A07DA3FD0E5037D9B62E0 - Submitted as: b3b916b7787a991c2f648f8464a68e0fc00e67c63501b962f7395c36b8f36d68
- File type: pe · Size: 109368 bytes
- Verdict: malicious (98/100) · Family: Cerbu
Detections (4 of 56 engines)
- ClamAV (daily): Win.Malware.Cerbu-9886333-0
- YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
MITRE ATT&CK
Why this verdict
The malicious score of 98/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Win.Malware.Cerbu-9886333-0 (rule
Win.Malware.Cerbu-9886333-0) - engine signal, weight 0.90, confidence 0.95 - YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule
DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.70, confidence 0.70 - Contacted 1 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Dynamic analysis (windows)
0 behavior events · 0 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- www.bing.com
- assets.msn.com
- th.bing.com
- licensing.mp.microsoft.com
- fe3cr.delivery.mp.microsoft.com
Embedded URLs
- http://www.microsoft.com/pki/certs/MicrosoftTimeStampPCA.crt0
- http://www.microsoft.com/pki/certs/MicCodSigPCA_08-31-2010.crt0
- http://crl.microsoft.com/pki/crl/products/microsoftrootcert.crl0T
- http://office.microsoft.com
- http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
- http://www.microsoft.com/pki/certs/MicTimStaPCA_2010-07-01.crt0
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- crl.microsoft.com
- www.microsoft.com
- office.microsoft.com
Embedded IP addresses
- 4.207.44.65
- 52.123.252.216
- 40.84.85.40
- 4.230.171.124
- 34.104.35.123
- 52.230.59.222
- 4.207.44.72
- 172.64.154.167
- 20.247.184.197
- 74.178.76.54
- 74.179.77.204
- 4.150.223.111
- 20.247.184.142
- 74.178.76.128
- 52.110.12.53
- 52.110.12.30
File paths
- F:\Office\Target\x64\ship\postc2r\x-none\msohtmed.pdb
- C:\Program
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report