MALICIOUS — Counter-Strike fix.exe
MALICIOUS — Counter-Strike fix.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:
5cafb5a74d24ab66eb9d7ddde620534a9ca6c99fe47b4414b2464c9054f6ee2b - SHA-1:
4ca77e53e12ab87d4cb40de924a8266cdf119e20 - MD5:
4a6ea752d638013ac8a00c9e587a6858 - imphash:
24b60c57cc33f3e633431b7ad497fda7 - ssdeep:
12288:5wawSwaw1wawSwaw9zJwawSwaw1wawSwaw9zswawSwaw1wawSwaw9zJwawSwaw1J:R - TLSH:
T1BA60D100327A399CD7709F605524598DA22552C1897D3EEA9B03072D3CB78BBB9E8F71 - Submitted as: Counter-Strike fix.exe
- File type: pe · Size: 3524612 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 28 external host(s) at runtime (28 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 7 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
1280 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
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Windows\win32dc\DAoC(crack).exe -
efb3ea9762cb8778b38d602bccfdf817ba00127a0b419ec657c5167a518903db - C:\Windows\win32dc\BattleField 1942(patch).exe -
8ce9db0234006ff74c2544016dc207d830b81472b951b395b931bb63837fbb2c - C:\Windows\win32dc\Doom 3(trainer).exe -
4c1aeb5c74d99ad3dfa957a5537e65c95747ec21edd9d6f52c2f8ac6a3933a39 - C:\Windows\win32dc\UT2004_hack.exe -
7439ac43b674f9a1bef04d7bbd919c2dab27f7350b29af1c570d36107a77a0ec - C:\Windows\win32dc\BattleField 1942(hack).exe -
1aeb236785391451c83ecda77b96c0ca3a615027078f1786a98b9e392321eaeb - C:\Windows\win32dc\FlatOut(crack).exe -
6243773f66922f2404f670d6e54065e767c61a50765da44b5bbc3a8553f79878 - C:\Windows\win32dc\DAoC_hack.exe -
2172a660a30af2cc1fae42d004c4d799eb05ace8df6574c02e9c0f41c162a399
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=1787665573&P2=404&P3=2&P4=moj0T7OR5zNsl2eOclumc2s3QIYumRYTlO3tGkZrpD8%2fozVleJrrfO0lF2l6CcjfngYuk%2f%2f4J2XMibqpOhMVnA%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=1787665626&P2=404&P3=2&P4=I4T0FaoB83nvLDOH3lkYHrASN%2b7jk2rT7Q2BhCsn8ROattqhcoIZbDoH1tvza%2fRLsCyTgy3Zb7Gn5WKWnoAkJg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787062302&P2=404&P3=2&P4=ncmfSHT9RrJ3QTOp7Kv8yq%2bYpGQQ%2bpicWPLxOUIos7PggZU%2b%2buailbJbCm48mmdlEDS9gTMI6G6wuwCKcnIg5w%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787061890&P2=404&P3=2&P4=VVR7F0U614CwTbGg6%2fKW2ZHaxCiI7IzxGB%2fH2cpUP8vgBQ3Hpkg7Hpv8vhrgoYZdVI%2bO73FoaEhggKRo%2bJdBBw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- us.undernet.org
Embedded IP addresses
- 52.168.112.67
- 4.144.132.223
- 52.123.252.239
- 52.123.252.202
- 57.154.63.210
- 4.230.171.124
- 52.123.252.242
- 74.178.76.44
- 74.179.77.204
- 135.232.92.97
- 4.150.223.113
- 203.26.79.13
- 20.76.201.171
- 40.104.4.2
- 52.123.128.14
- 20.42.73.27
- 172.178.240.162
- 92.223.78.30
- 172.66.2.5
- 85.210.193.152
- 20.42.73.30
- 186.233.185.155
- 52.148.114.188
- 72.154.7.106
- 48.200.63.27
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report