MALICIOUS — Counter-Strike + codes.exe
MALICIOUS — Counter-Strike + codes.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Upantix family. 5 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
005f86c714e94f476d709ef81fcd8e03b5368c450456237ae447aaabf47ca7fd - SHA-1:
7af8bdebae4295b7215785f885a74cb25daa95b0 - MD5:
138d9c323b8d71724710dc27b1206d69 - imphash:
24b60c57cc33f3e633431b7ad497fda7 - ssdeep:
12288:5wawSwaw1wawSwaw9zJwawSwaw1wawSwaw9zswawSwaw1wawSwaw9zJwawSwaw1B:nZ - TLSH:
T1A760D100327A399CD7709F605524598DA22552C1897D3EEA9B03072D3CB78BBB9E8F71 - Submitted as: Counter-Strike + codes.exe
- File type: pe · Size: 3529733 bytes
- Verdict: malicious (99/100) · Family: Upantix
Detections (5 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Upantix-9886651-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Trojan:Win32/Upantix.GM!MTB
- Kaspersky (KVRT): HEUR:Packed.Win32.Upantix.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Win.Malware.Upantix-9886651-0 (rule
Win.Malware.Upantix-9886651-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 4 finding(s), e.g. RWX/private injected region in taskhostw.exe (pid 8668) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - 1 behavioral detection(s): C2: connection to non-standard port [medium] (rule
tl-c2-rare-port) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 22 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - 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: UPX, high-entropy-sections:UPX1 - static signal, weight 0.25, confidence 0.55
- Dropped 7 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
981 behavior events · 0 ATT&CK techniques · 7 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
- us.undernet.org
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Windows\win32dc\Silent Hill 4_trainer.exe -
1482ae8c27ae578b2db03c8da7f489c37ccd12aec6e417079a8c444d04f35b2d - C:\Windows\win32dc\Doom 3_codes.exe -
79516917e4fcd80b6629c06032e8e4c85b744e2440c608f6447a8be6fa370885 - C:\Windows\win32dc\Quake3 hack.exe -
78c7c36524f768e09e3c746b2b50128f45c0ee349487a543fb299598f32c014b - C:\Windows\win32dc\Doom 3 trainer.exe -
ed641906583baa34c926ea880f9573bad1964dbcf2843d514028f0619b4a06e8 - C:\Windows\win32dc\Doom 3 + crack.exe -
18b5201db0abfe79d5eba9b3cf3353535c9481b2cf0acfcf5e9d1b7623b37729 - C:\Windows\win32dc\Quake3_serial.exe -
2885c34f0c04996f0ccaef13fb19a21b125587df00e5997da50517501ef1bb61 - C:\Windows\win32dc\Sims 2_hack.exe -
d09b1a6f8e8307e90c271ad36cec00a5c6ebea8a4fdd4b1d078caed466c23567
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=1787645123&P2=404&P3=2&P4=R3qR6fnn19RtDjeLCYr%2bhHBXSvznf0hlDv6DJca9VrTwcNnyAYcVRfyidygh%2b2MG%2fMDa0WewZAsqlxb2fS6k2Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/45cd9142-6feb-4946-89e7-63e58fada30a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/45cd9142-6feb-4946-89e7-63e58fada30a?P1=1787645176&P2=404&P3=2&P4=Ufm%2fGZbDrUv5jYDzPAkaz%2f8iv74iZI8e%2f1xhQgLH20273dTZrRaiOMAj1kE2BmN3iRh6l1myX%2fGVt6nc9trupA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- us.undernet.org
Embedded IP addresses
- 52.123.252.233
- 20.184.175.21
- 20.247.185.124
- 4.230.171.124
- 40.84.85.40
- 135.232.92.137
- 20.42.65.84
- 74.178.76.54
- 74.179.77.204
- 20.42.65.94
- 20.112.250.133
- 52.123.128.14
- 135.233.45.222
- 203.26.79.13
- 172.83.156.122
- 135.232.92.34
- 52.148.114.188
- 72.153.5.132
- 135.234.160.244
- 74.178.76.44
- 52.110.12.21
- 52.110.12.54
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report