MALICIOUS — Counter-Strike_trainer.exe

MALICIOUS — Counter-Strike_trainer.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Upantix family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 2346e7b20c865df5c41649c5deb8952e506bdb105c3fe1db6cff22929f12c40b
SHA-1: 37762c60831f92368253c90af1f8bef5e6cbdb89
MD5: fab38854912d6ce18e1063e6da623d81
imphash: 24b60c57cc33f3e633431b7ad497fda7
ssdeep: 12288:5wawSwaw1wawSwaw9zJwawSwaw1wawSwaw9zswawSwaw1wawSwaw9zJwawSwaw1f:H
TLSH: T1F860D100327A399CD7709F605524598DA22552C1897D3EEA9B03072D3CB78BBB9E8F71
Submitted as: Counter-Strike_trainer.exe
File type: pe · Size: 3522564 bytes
Verdict: malicious (98/100) · Family: Upantix

Detections (6 of 55 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Malware.Upantix-9886651-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Detect It Easy (packer/type): DIE:Turbo Linker
Microsoft Defender: Trojan:Win32/Upantix.GM!MTB
Kaspersky (KVRT): HEUR:Packed.Win32.Upantix.gen

MITRE ATT&CK

Why this verdict

The malicious score of 98/100 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
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 26 external host(s) at runtime (23 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
Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule DIE:Turbo Linker) - 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, Turbo Linker - static signal, weight 0.25, confidence 0.55
Dropped 8 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60

Dynamic analysis (windows)

1625 behavior events · 0 ATT&CK techniques · 8 dropped files.

Dropped files

C:\Windows\win32dc\Half-Life 2 serial.exe - bbcff05cff12bc83988dc491de4072c2ecdbdf3bd609a3dc4b0a6a55a4d51681
C:\Windows\win32dc\Doom 3(patch).exe - 517c06ed174c858b9b0abb9d7c2fb8686b31e471bfa3eab522e9294956ab4592
C:\Windows\win32dc\DAoC_patch.exe - 03281515202bb37dd7190d1a5be02e00427c1088c90326a21ad64905c95cb0a0
C:\Windows\win32dc\FlatOut fix.exe - 4c70ad0041c9d2060d4970a7ff384a93941e42249bdcae37d8408fb2d4bc87e0
C:\Windows\win32dc\FlatOut_cheat.exe - 326aab9980dd2d1e478a2244da714a25fc9df6b88d085e739c237b145c56c44f
C:\Windows\win32dc\Silent Hill 4 + fix.exe - 121efe76324ab7262135f0cf3e880de89c88d55c24295f9a78cc28a989b3fb98
C:\Windows\win32dc\Half-Life 2(patch).exe - db92926da5eacdaefbee4f3e2874bbae8404553af4e22b85ffa9de1310866d7f
C:\Windows\win32dc\Sims 2(patch).exe - ea01c14c065264e5fb12b5312b449287664bcd5ea1d8f558247a65718843bb0c

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=1787664829&P2=404&P3=2&P4=LzPlO9RO8A%2fQS4U8a8PF8IbW6PthrvwOASM%2fxv%2bdJ9Wl6jusXxjJMCSdwv8HpM8qnQrfGeuvhvHWDCmTEb9LHQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787664851&P2=404&P3=2&P4=eATFarolzg2Jb%2bZQXek%2bQXsHsgPyrIFo1yGdkI84s2RNKSpEziO5vIXfICn5GPyQpjGCrn2GKC%2bQE4HBy5PyiQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

us.undernet.org

Embedded IP addresses

52.123.252.225
20.184.175.2
52.230.59.222
4.230.171.124
57.154.63.210
135.233.95.80
74.178.240.61
20.184.175.18
74.178.240.51
203.26.79.13
74.178.76.128
20.112.250.133
52.123.128.14
52.123.129.14
172.178.240.163
162.159.142.9
52.123.252.212
40.84.97.4
172.83.156.122
52.148.114.188
72.154.7.17
40.79.163.154
48.200.63.27
92.223.78.30
52.110.12.46

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report