MALICIOUS — 12efa869f6187d492fc2c8702429e40fc69ff71e757b0358128602ee4a0b34a9
MALICIOUS — 12efa869f6187d492fc2c8702429e40fc69ff71e757b0358128602ee4a0b34a9 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Filerepmalware family. 4 of 55 detection engines flagged it.
Identification
- SHA-256:
12efa869f6187d492fc2c8702429e40fc69ff71e757b0358128602ee4a0b34a9 - SHA-1:
7a5150e321caf84e5439384cee27b9e5fc83d93e - MD5:
e7dbaaefaddb147cde06f64dea7d45f1 - imphash:
e2b4ea36abfb262db62e5e67f59338a4 - ssdeep:
6144:4TnEhOFZmzv2vs8Bh/AZ7BoP2sBbPg/DRZhf0deU/N9M+ugdM4WC6wK3MTd02tu:4brmD2U84ZF0Lg/DRZhf0deU/N9M+ug - TLSH:
T125497D844F3BA619D6E6E72018B1CF5E78E1E5B7313F280C1957402E2AA9077164B36B - Submitted as: 12efa869f6187d492fc2c8702429e40fc69ff71e757b0358128602ee4a0b34a9
- File type: pe · Size: 393216 bytes
- Verdict: malicious (97/100) · Family: Filerepmalware
Detections (4 of 55 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 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - Contacted 18 external host(s) at runtime (14 HTTP) - 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
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 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
- officeclient.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
- o15.officeredir.microsoft.com
Embedded IP addresses
- 40.79.141.154
- 52.123.252.215
- 4.230.171.124
- 40.84.85.40
- 20.247.184.197
- 74.178.76.128
- 20.42.65.85
- 135.232.92.97
- 40.103.64.226
- 20.231.239.246
- 52.123.129.14
- 52.123.128.14
- 4.150.223.113
- 172.178.240.162
- 52.148.114.188
- 52.110.12.33
- 20.184.175.22
- 52.110.12.15
File paths
- F:\Office\Target\x86\ship\postc2r\x-none\selfcert.pdb
- X:\:`:d:h:l:p:t:x:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report