MALICIOUS — 3fd1121b862647a930e0e315d22fc3a618105d43077c5594c947da7fb06fb50f
MALICIOUS — 3fd1121b862647a930e0e315d22fc3a618105d43077c5594c947da7fb06fb50f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the ASPack family. 7 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
3fd1121b862647a930e0e315d22fc3a618105d43077c5594c947da7fb06fb50f - SHA-1:
73133beba4dd9aeaa027b22cf5a9d9ec58559c36 - MD5:
51e6165c1eb01196b2b70e1ba83f0782 - imphash:
430f0d0eb90755dacb454d76817d014e - ssdeep:
1536:a7zfMMknJvVvwlTHavNbA8w9KxlO9Lc3Otp15wKwYPpLKL:ufMbJOZHaV7wdZcm19w6pc - TLSH:
T13D3ACFA62850CB34EADB2C1BD844E7EDF543EC0D1B34755E82AB97396384023E61539B - Submitted as: 3fd1121b862647a930e0e315d22fc3a618105d43077c5594c947da7fb06fb50f
- File type: pe · Size: 98663 bytes
- Verdict: malicious (99/100) · Family: ASPack
Detections (7 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.MPRESS1
- ClamAV (daily): Win.Malware.Zusy-10019934-0
- YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
- Detect It Easy (packer/type): DIE:MPRESS
- Microsoft Defender: Trojan:Win32/QQPass
- Emsisoft (Emergency Kit): Trojan.GenericKD.48349002
- Kaspersky (KVRT): Trojan.Win32.Scar.oetk
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-10019934-0 (rule
Win.Malware.Zusy-10019934-0) - 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 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 29 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule
YR_Packer_ASPack_MPRESS) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:MPRESS (rule
DIE:MPRESS) - 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: high-entropy-sections:.MPRESS1, MPRESS - static signal, weight 0.25, confidence 0.55
- Dropped 2 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)
9908 behavior events · 2 ATT&CK techniques · 3 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
- msedge.api.cdp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\Sysqamqqvaqqd.exe -
ef746cbe554cbdcf12756f2190291595f7e4217babe4ad3330ffc1298cbc6615 - C:\Users\analyst\AppData\Local\Temp\qpath.ini -
df794085e5ffb46270db31015bef2f6c780f8ae33c63acd2a74998d52e4e84e1 - C:\Users\analyst\AppData\Local\Temp\Sysqembxmqh.exe -
33c3d33d5dd3c88ca5d5bbe76fea603e3947b38ac23a494425db83dd34586c1c
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787926250&P2=404&P3=2&P4=CWlbcZfOVNRCv85p%2bmJrRVBjbxTuRc%2b87TPCzkv4ZsOLW4XgJwMS6ISLXeLfYJuVBpnyod2DnzqLopWFn5BDaA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787926274&P2=404&P3=2&P4=ADwwYkPlHnBPBy43T%2bqA2M8ALwkiRfHvwHZbN4YQ9n%2bQ3MxWAy9TDu9YIs%2fIuwcB28trZc9Ux9FPt%2fqKWuCrEQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.42.65.88
- 172.215.188.225
- 4.230.171.124
- 4.144.132.114
- 40.84.97.4
- 135.232.92.34
- 74.178.240.61
- 74.178.240.51
- 20.50.80.215
- 203.26.79.13
- 4.207.44.66
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 52.123.252.226
- 135.233.45.221
- 4.247.188.233
- 40.79.163.155
- 52.168.112.66
- 52.110.12.14
- 52.110.12.15
- 52.148.114.188
- 135.234.160.245
- 92.223.78.30
- 52.123.252.192
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report