MALICIOUS — virussign.com_71c9c4867f25d063281a2dde4d40f6d0.vir
MALICIOUS — virussign.com_71c9c4867f25d063281a2dde4d40f6d0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the F60C7FD4 family. 6 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
f50a3b7c220e9dc2dc9a5fee0b01c5ee1f76cd3cbc495fe1804beaa6ad36f1ea - SHA-1:
67c1ae27f6c310ffb42ead6431cf66f9687ee47e - MD5:
71c9c4867f25d063281a2dde4d40f6d0 - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
1536:ZtCvYm0Z5RfIBcRb3x3bNSe25BCABTmnGSmPSmwiwZ8CfVc+6msiHN:ZtWD0fxccZhrNShoABTmn8IflPs+N - TLSH:
T1C23AF125DEAAA03DD05B4F5E64C0863CC092471D34E1D936E2D183D16C3E26FBC91EA6 - Submitted as: virussign.com_71c9c4867f25d063281a2dde4d40f6d0.vir
- File type: pe · Size: 94758 bytes
- Verdict: malicious (97/100) · Family: F60C7FD4
Source: VirusSign · first seen 2026-08-21T00:00:00.000Z · SHA-256 verified
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- ClamAV (daily): Win.Packed.Lazy-10009038-0
- Microsoft Defender: Trojan:Win32/Copak.GPX!MTB
- Emsisoft (Emergency Kit): Generic.Dacic.6000.F60C7FD4
- Trellix Stinger (McAfee): Glupteba-FUBP!71C9C4867F25
- Kaspersky (KVRT): HEUR:Trojan.Win32.Injuke.pef
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Packed.Lazy-10009038-0 (rule
Win.Packed.Lazy-10009038-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 4 finding(s), e.g. process hollowing in tsk_cc651f507d (pid 4700) (rule
windows.hollowprocesses.HollowProcesses) - memory signal, weight 0.70, confidence 0.85 - Contacted 23 external host(s) at runtime (20 HTTP) - network signal, weight 0.40, confidence 0.80
- Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
110 behavior events · 0 ATT&CK techniques · 6 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
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\tsk_cc651f507de143ef.exe -
7377a5324bb12dec2a2b84e07b04ace42630ef6ef6f6e7e1bcbfe6d639d071e5 - c34eeb1cfafafd947460909b9eb5f2ec6d79a2155d7a462bd564b03a23399099 -
c34eeb1cfafafd947460909b9eb5f2ec6d79a2155d7a462bd564b03a23399099 - 1d51bb0b8893dda6ad6ee35d4b8068f732d3a973a85006740919ba03075d8b43 -
1d51bb0b8893dda6ad6ee35d4b8068f732d3a973a85006740919ba03075d8b43 - e3286a7bba646798cdc4641371e7223bc48c7c9d9fb973045d8488b8ee758ae4 -
e3286a7bba646798cdc4641371e7223bc48c7c9d9fb973045d8488b8ee758ae4 - 119d742da48da92ed273b9c6c2febc27f96ab8d7037acfebe7549254e8dac087 -
119d742da48da92ed273b9c6c2febc27f96ab8d7037acfebe7549254e8dac087 - 380992c6c37d3cf41daacc3b35e734700531e104cf975151706337965185ec86 -
380992c6c37d3cf41daacc3b35e734700531e104cf975151706337965185ec86
Embedded URLs
- http://oracle.com/contracts
- 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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787937375&P2=404&P3=2&P4=LEq1p341uVPiO8RAmEX3rBChyVEfvzHONF27c5jFmKOwLrrfoE%2fWTpJnXs0DEsNYDRYeK7CI8GyIf5XMZgVqEA%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=1787937473&P2=404&P3=2&P4=nuo%2fhgmCEoFP9I2Vn%2bOrZck8dPwglFKU02qJGp5VQx75DSc2lmQCVs5M6kl4cZeESWYYZhC%2buREnHQ5aqdLiSA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- r.office.microsoft.com
- microsoft.com
- oracle.com
- www.oracle.com
Embedded IP addresses
- 172.215.188.225
- 20.184.175.12
- 52.230.60.54
- 4.230.171.124
- 40.84.97.4
- 74.178.76.128
- 74.178.76.54
- 52.123.128.14
- 20.231.239.246
- 40.103.64.242
- 52.123.129.14
- 172.66.2.5
- 135.233.45.221
- 203.26.79.13
- 52.148.114.188
- 4.150.223.96
- 51.104.15.252
- 135.232.92.34
- 52.110.12.37
- 52.110.12.19
- 72.153.5.61
- 52.123.252.215
- 52.110.12.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report