MALICIOUS — UT2004(codes).exe
MALICIOUS — UT2004(codes).exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the HUILoader family. 6 of 55 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
75d7ad31191bfecacab06a3d9b2735b08d5a3bd82bb90635a85f5dd396f6ab11 - SHA-1:
4aa9f25b653ec8c1424cfe6099b2b9cbd18a5734 - MD5:
cd57d63ee506c0f55bb4bc4becaaf057 - imphash:
24b60c57cc33f3e633431b7ad497fda7 - ssdeep:
1536:3UUUUUUUUUUHdTD+vvvvvvvvvh+UUUUUUUC9mIkkkkkkTyhhhhhhhMSTZM+9m2Og:blN9RkkkkkkTLSBvt/ - TLSH:
T1D73AD040357A39CCDB349F611524594DB12152C18A7C2DDA9B030B2D3D7B8BBB8E8E76 - Submitted as: UT2004(codes).exe
- File type: pe · Size: 101485 bytes
- Verdict: malicious (98/100) · Family: HUILoader
Detections (6 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Trojan.Generic-9908425-0
- 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.Trojan.Generic-9908425-0 (rule
Win.Trojan.Generic-9908425-0) - 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 30 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 7 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
1867 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
- officeclient.microsoft.com
Dropped files
- C:\Windows\win32dc\Doom 3 cheat.exe -
ed18e5fbf630192270cf40e4ef4b428a004d5f6945541e79c5dbe103b32a065b - C:\Windows\win32dc\Counter-Strike patch.exe -
29bebd2db55709df35da2f9bd67db74da2dcc113eeee60137b34444344e3327f - C:\Windows\win32dc\Silent Hill 4 + hack.exe -
bf77dec2d5426e703c3d7dfca2d08d14c8081fc96bf14b1938773881b9771e19 - C:\Windows\win32dc\FlatOut(cheat).exe -
55bdd06969318377dfac73a9639dc287ce2afe832dcf2670fb159e76de958852 - C:\Windows\win32dc\Sims 2 hack.exe -
b3c06d719fac1cb3e70d659f60ed30232cd819e3d24152125bc424731f71c9e5 - C:\Windows\win32dc\Counter-Strike serial.exe -
b57cc09f7dc8930363883414b758ffe86dbf7637d9638b9fdf3dbc2dc424b5e7 - C:\Windows\win32dc\Half-Life 2(hack).exe -
f4ccf12c71b732792b7707380c1ed2ba045a9ea5a34643fe9384271fdfc3b5e3
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=1787648990&P2=404&P3=2&P4=Wk4HdcC4vW%2bT5y7Mu5m2TKDMf6%2bFc0yXFfN%2fI1u2ZsiJk61yCWKcSiKUsBpOzTJnjyamLxyrJynsW%2fnIOHfvVA%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=1787649014&P2=404&P3=2&P4=mXTTzDU3Xb82ADq4UzXWYB3ucXlnvD5mo4iB5%2bjooq4l%2bkr1EPElTb%2fbHYgZ7sVU7H%2bNHih81w%2byDRkjezNk2A%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- us.undernet.org
Embedded IP addresses
- 20.42.65.85
- 52.230.60.54
- 203.26.79.13
- 4.247.188.233
- 4.230.171.124
- 20.165.94.63
- 72.145.35.101
- 135.232.92.97
- 20.184.175.12
- 20.76.201.171
- 52.123.128.14
- 52.123.129.14
- 4.150.223.106
- 172.178.240.161
- 52.123.252.202
- 135.233.95.80
- 199.71.214.87
- 51.104.15.253
- 4.207.44.73
- 52.123.252.245
- 74.178.232.29
- 52.148.114.188
- 52.110.12.38
- 52.110.12.51
- 92.223.78.30
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report