MALICIOUS — 8a057155183fb5c31f18d41e6818f9cdd8a64cb15236e34fd9ac413589579151
MALICIOUS — 8a057155183fb5c31f18d41e6818f9cdd8a64cb15236e34fd9ac413589579151 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Filerepmalware family. 4 of 56 detection engines flagged it.
Identification
- SHA-256:
8a057155183fb5c31f18d41e6818f9cdd8a64cb15236e34fd9ac413589579151 - SHA-1:
81e0b040f69f10be84cdb20575501592142d64dc - MD5:
5ff0a132724783200c314e6392db6b8b - imphash:
e2b4ea36abfb262db62e5e67f59338a4 - ssdeep:
6144:4TnEhOFZmzv2vs8Bh/AZ7BoP2sBbPg/DRZhf0deU/N9M+ugdM4WC6wK3MTd02tu:4brmD2U84ZF0Lg/DRZhf0deU/N9M+ug - TLSH:
T1E9497D844F3BB659D6E6E72018B1CF5E78E1E5B7313F280C1947402E2AA9077164B36B - Submitted as: 8a057155183fb5c31f18d41e6818f9cdd8a64cb15236e34fd9ac413589579151
- File type: pe · Size: 389120 bytes
- Verdict: malicious (97/100) · Family: Filerepmalware
Detections (4 of 56 engines)
- ClamAV (daily): Win.Malware.Filerepmalware-9883702-0
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: Trojan:Win32/Wacatac.B!ml
Why this verdict
The malicious score of 97/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Win.Malware.Filerepmalware-9883702-0 (rule
Win.Malware.Filerepmalware-9883702-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Wacatac.B!ml (rule
Trojan:Win32/Wacatac.B!ml) - engine signal, weight 0.55, confidence 0.85 - Contacted 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 - Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
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
- desktop-hsgcbep
- login.live.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
- windows.msn.com
- www.msn.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- fe3cr.delivery.mp.microsoft.com
- www.bing.com
- v10.events.data.microsoft.com
- th.bing.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
- o15.officeredir.microsoft.com
Embedded IP addresses
- 52.168.117.175
- 52.123.252.226
- 4.230.171.124
- 40.84.85.40
- 20.42.72.131
- 74.179.77.164
- 74.179.77.204
- 20.184.175.13
- 4.144.132.223
- 104.18.33.89
- 48.211.4.16
- 52.110.12.54
- 52.110.12.10
File paths
- F:\Office\Target\x86\ship\postc2r\x-none\selfcert.pdb
- X:\:`:d:h:l:p:t:x:
More Filerepmalware samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report