MALICIOUS — 8a7e809b3e9aed387ccbf9234183491a9d4a875aec0643698cf8167f69c00b0b
MALICIOUS — 8a7e809b3e9aed387ccbf9234183491a9d4a875aec0643698cf8167f69c00b0b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Zusy family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
8a7e809b3e9aed387ccbf9234183491a9d4a875aec0643698cf8167f69c00b0b - SHA-1:
45baf7e9c749046fa7b9e6991a625493ba99827e - MD5:
59424346c6bbe00570f80573c5763617 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:WFUcx88PWPOpX0SFrhrGFGVlTuTZTyUPAkOEklnEThyGc:W+K88uPCHHK0XGOUbjkE1yGc - TLSH:
T1095A22865929974DD6F2D490382936BE8081F4D5877C188B438FF12D73EB4B7A4321AB - Submitted as: 8a7e809b3e9aed387ccbf9234183491a9d4a875aec0643698cf8167f69c00b0b
- File type: pe · Size: 2089472 bytes
- Verdict: malicious (99/100) · Family: Zusy
Detections (4 of 56 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: Trojan:Win32/Salgorea!pz
- Emsisoft (Emergency Kit): Trojan.GenericKDZ.110085
- Kaspersky (KVRT): HEUR:Backdoor.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Salgorea!pz (rule
Trojan:Win32/Salgorea!pz) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Trojan.GenericKDZ.110085 (rule
Trojan.GenericKDZ.110085) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Backdoor.Win32.Generic (rule
HEUR:Backdoor.Win32.Generic) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
101 behavior events · 1 ATT&CK techniques · 2 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
- assets.msn.com
- www.bing.com
- licensing.mp.microsoft.com
- tas02.sls.update.microsoft.com
- fe3cr.delivery.mp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\4987.tmp -
c0d89735bf163538e77f2b6968149372e86b90e972776c849dd686076969da3d - f220c546d2908316698f8ed638325f76c0fbe365f5ff4573ea5273076bf3dbe0 -
f220c546d2908316698f8ed638325f76c0fbe365f5ff4573ea5273076bf3dbe0
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 20.42.73.25
- 52.123.252.242
- 4.230.171.124
- 57.154.63.210
- 20.247.184.197
- 20.42.179.204
- 20.165.94.63
- 40.79.167.9
- 74.178.240.51
- 20.42.73.30
- 20.89.1.9
- 92.223.78.30
- 72.145.35.110
- 52.148.114.188
- 52.110.12.38
- 52.110.12.14
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report