MALICIOUS — virussign.com_9eab0561c45b3a94a7e602add94eb9f0.vir
MALICIOUS — virussign.com_9eab0561c45b3a94a7e602add94eb9f0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the KmJfa4pdRVd family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
b0113243a56cb3e3b64e37b807bb475d87889573c55aee1968d7a0184e490bc2 - SHA-1:
b4316d792dce37180c84f411836bac0a98632e7c - MD5:
9eab0561c45b3a94a7e602add94eb9f0 - imphash:
e60d0e6577962a1096407913ed128742 - ssdeep:
3072:IyrN/sVywaEj1UsEOBYJwyrN/sVywaEj1UsICMJHVCr6ldzi1YWfjW:Nh9wv1Ut3nh9wv1U5J1bLWbjW - TLSH:
T1A9401207B556C0B9E2D3FC586C68C64D9C925F885532AE8027037FEF204976BD5A8ACC - Submitted as: virussign.com_9eab0561c45b3a94a7e602add94eb9f0.vir
- File type: pe · Size: 165888 bytes
- Verdict: malicious (99/100) · Family: KmJfa4pdRVd
Source: VirusSign · first seen 2026-08-18T00:00:00.000Z · SHA-256 verified
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Ransomware.Somhoveran-9870372-0
- Detect It Easy (packer/type): DIE:Turbo Linker
- Microsoft Defender: Trojan:Win32/Vindor!pz
- Emsisoft (Emergency Kit): Gen:Trojan.ShellHook.kmJfa4pdRVd
- Kaspersky (KVRT): Worm.Win32.Wenper.b
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Win.Ransomware.Somhoveran-9870372-0 (rule
Win.Ransomware.Somhoveran-9870372-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 3 finding(s), e.g. process hidden from a listing (rule
windows.psxview.PsXView) - memory 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): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 22 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule
DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55
- Dropped 3 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)
318 behavior events · 2 ATT&CK techniques · 4 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
- licensing.mp.microsoft.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Windows\System32\crypto.dll -
06efaae1d7a37ad7cbd10cead71856abf629048cd72bfc3ce82a3ecb1e226858 - C:\Windows\System32\net.cpl -
0e8aabe383db936ace668660c5273a04858c082e30e535bdbc672464caf1c861 - C:\Windows\System32\wlogon.dll -
a5b373257c463a6a8a340ad3cd762ef63e769a4741001598aabe78d8e8b819f1 - C:\Windows\System32\lcss.exe -
b07fa8f5ef5004a3d53979de9127910dfb1ef7d7aad6af2daeda10fa56acba3d
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787734677&P2=404&P3=2&P4=CQpkAycthT9aYAI322ELsuTgNOcA8b3IOWLDEYbF%2fbirSV%2frOUcFF%2bAJRDLRhzgy5lFvq%2f8qwt7bOQ8%2fS9FttQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 48.200.63.27
- 20.184.175.21
- 135.233.95.80
- 92.223.78.30
- 52.230.59.222
- 172.215.188.225
- 20.247.184.142
- 4.230.171.124
- 20.165.94.63
- 20.42.73.28
- 74.178.76.54
- 74.178.240.61
- 20.76.201.171
- 52.123.129.14
- 203.26.79.13
- 4.207.44.64
- 135.233.45.221
- 162.159.142.9
- 72.154.7.108
- 52.110.12.16
- 52.148.114.188
- 52.110.12.53
More KmJfa4pdRVd samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report