MALICIOUS — 386631aa1a622ac6d90decb988c602e4c092a2d30669e6ea934354c8d28cc9b9

MALICIOUS — 386631aa1a622ac6d90decb988c602e4c092a2d30669e6ea934354c8d28cc9b9 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the HUILoader family. 7 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: 386631aa1a622ac6d90decb988c602e4c092a2d30669e6ea934354c8d28cc9b9
SHA-1: d5085d3c7df8c8a59bf5c269c6d792b1e573c46d
MD5: 6cd5d025b36b347dcd34bedf77b983aa
imphash: 5144a995e58e9a1dec8b8e0e5ed55aec
ssdeep: 12288:9v4NOk4jTUAuItObDGN1VPDCBOENSTRQK1ZzmNZwC+jw5igRQ/jwc8:1tkcU5It5/LtQSTR11ZaND3lRQ/Z
TLSH: T131529DC888562819D178377C2FBA149D92CCA692407B484FEAAFD3F5A5B38337D1C065
Submitted as: 386631aa1a622ac6d90decb988c602e4c092a2d30669e6ea934354c8d28cc9b9
File type: pe · Size: 917504 bytes
Verdict: malicious (100/100) · Family: HUILoader

Detections (7 of 56 engines)

capa (capabilities): capability:collection/keylog
ClamAV (daily): Win.Trojan.Generic-9907165-0
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Virus:Win32/Pidgeon.A
Emsisoft (Emergency Kit): Win32.Prepender.Gen.1
Trellix Stinger (McAfee): Flyagent.d
Kaspersky (KVRT): Packed.Win32.Krap.g

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 16 weighted signals:

ClamAV (daily) flagged Win.Trojan.Generic-9907165-0 (rule Win.Trojan.Generic-9907165-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Virus:Win32/Pidgeon.A (rule Virus:Win32/Pidgeon.A) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Win32.Prepender.Gen.1 (rule Win32.Prepender.Gen.1) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Flyagent.d (rule Flyagent.d) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Packed.Win32.Krap.g (rule Packed.Win32.Krap.g) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
2 behavioral detection(s) across 2 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.43, confidence 0.90
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 1 external host(s) and 4 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001 - dynamic signal, weight 0.40, confidence 0.75
capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
Embedded network infrastructure: http://www.eyuyan.com - static signal, weight 0.35, confidence 0.60
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Dropped 18 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

68934 behavior events · 2 ATT&CK techniques · 25 dropped files.

Dropped files

C:\Program Files\7-Zip\7zG.exe.ico - 8cad493433ec34a34ca6f4fd49655aaf7cbb4337752743804db83ea6c050d1fe
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe.exe - 4ee860cdaeadb4478438a0596fa18b409098585188e32c091774a3c5840398d9
ab62fa08da574f4b3c6eb7203e98de9d9b36171d56f9a7382d7064c50c67af3e - ab62fa08da574f4b3c6eb7203e98de9d9b36171d56f9a7382d7064c50c67af3e
C:\Program Files\7-Zip\Uninstall.exe.exe - 8a51ce9cfcadeb7be2fa183e691476ea08a6dbfeeb169dca7fdbbcadbfa44ecf
C:\Program Files\7-Zip\Uninstall.exe - c619ac2f6e6b5cf015192551a119ed744e007aa4e0ec01d9326598ecd45f9757
C:\Program Files\7-Zip\Uninstall.exe.ico - ea0420b60b078a22fdcfd40d86d589793baa2e0327b37dcdcc5399aac4037d4e
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe - 85d18350f199f5b5ac2efa1ec395c2502fcec05c13f2b46f3a6d8d06ef6f97f8
C:\Program Files\7-Zip\7z.exe - d2efcb00f9a4500903898a5a458289f0a0a2eb4c6bc48d0d52c42ba23194b08d
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADelRCP.exe - b4c649b7c352db7cba72f75897cf3935bf390ffca73ecd283dd15a7f58801ab5
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroTextExtractor.exe - 97b80297328c2045ee47e19fa39cd1e5dac0ba7d5dc44ba85ace014aa88327c7
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b
C:\Program Files\Adobe\Acrobat DC\Acrobat\Adobe Crash Processor.exe.exe - 489dc6ce028617e30d4c8c4a29fc90bf35d65b460709f412d8dd4c5ef8b9418f
C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe - 9bf75ab79ace01af114f58a93bd3d2d9ca544300b32c37036a5b03071c1580e0
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe.ico - 14b347748c4d208fa5294f7bdd53ae4147d40e27cf810dd60423af0d8b0c989c
C:\Users\analyst\AppData\Local\Temp\tsk_3cfb7649442e4cf7.exe.exe - 6d67186347593bb998d65bfd8d7ec223a0fd8d6376c9ca5c4f65ac6dc5cffcad

Embedded URLs

http://www.eyuyan.com
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded domains

www.eyuyan.com
wtqq.net

Embedded IP addresses

20.184.175.11
135.13.169.17
4.230.171.124
4.144.132.114
20.165.94.54
48.211.4.16
74.179.77.204
20.42.65.84
52.110.12.15
52.110.12.14
172.178.240.162
52.148.114.188
72.145.35.99
52.110.12.33
52.110.12.49

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report