MALICIOUS — 2dbfb0bf68b5454ecfd74501d2bd890c2d904dc58dc8d605fa83034d311b6f1e

MALICIOUS — 2dbfb0bf68b5454ecfd74501d2bd890c2d904dc58dc8d605fa83034d311b6f1e 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: 2dbfb0bf68b5454ecfd74501d2bd890c2d904dc58dc8d605fa83034d311b6f1e
SHA-1: 7176a0bd946167cdaa03212d42a34d019cb121a8
MD5: a6629cab8af97c7df63ad8b23a374d85
imphash: 5144a995e58e9a1dec8b8e0e5ed55aec
ssdeep: 12288:SSCkFT9AR128+HS+Xho6ZZaeEwPK0djYaZr7hsYItBzBCw5itiIE:SkT9A/28+y+XhoaZaQrYaZH2j7h6iIE
TLSH: T1BF519D6C483112A5E0EA6FCE2C0BC8ACA51867FE694CC24D871F843599574F306E9E5F
Submitted as: 2dbfb0bf68b5454ecfd74501d2bd890c2d904dc58dc8d605fa83034d311b6f1e
File type: pe · Size: 837456 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): Virus.Win32.Agent.ev

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 Virus.Win32.Agent.ev (rule Virus.Win32.Agent.ev) - 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 2 external host(s) and 3 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)

68775 behavior events · 2 ATT&CK techniques · 25 dropped files.

Dropped files

C:\Program Files\7-Zip\7z.exe - 0e57ed27bac6d9ff33f5a79156be23cce18d0a2a242f1f7699291900130295df
C:\Program Files\7-Zip\7zG.exe.ico - 8cad493433ec34a34ca6f4fd49655aaf7cbb4337752743804db83ea6c050d1fe
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe - e67e35e86bd20553a1bce0eb77a63cefd9b310a5ed8a8c5e6c814f363825f3c5
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcrobatInfo.exe - f8bbcbb2daaf7ad2b52bc2eec610eb0d32b7a13dc5cb42507c3715fd45e54362
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe.exe - 06009c6eb2bd0fba5303fd9edf8aea3a156cb8cec6767ab1c22ddc26e81cacd2
C:\Program Files\7-Zip\Uninstall.exe.ico - ea0420b60b078a22fdcfd40d86d589793baa2e0327b37dcdcc5399aac4037d4e
96d7a7d811ca13dc5ecc0a5c20ee39e388f7862fe216894afd8527b5fbadd60e - 96d7a7d811ca13dc5ecc0a5c20ee39e388f7862fe216894afd8527b5fbadd60e
C:\Program Files\Adobe\Acrobat DC\Acrobat\Adobe Crash Processor.exe.exe - 650d8158599a15ea84ec5ad9dc4b8f65e26c62a4df8e99676e4173da351453c4
C:\Sysmon64.exe - f61e02191d4d8baca356c16ef54be3f568f3f751e87b580cf1555be4d4224c5b
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b
C:\Program Files\7-Zip\7zG.exe - 23a80f7f58c8c692354add01a2c26f099ede7be7e378c85982b163e75eea48e1
C:\Program Files\7-Zip\Uninstall.exe - 4aad5f7434c44431eb67275762949c4d5c26a3076dd415d5be708c437d922db3
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe.ico - 14b347748c4d208fa5294f7bdd53ae4147d40e27cf810dd60423af0d8b0c989c
C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe - 43f286afe6cf8165ca912ee97cc2f22a6ec7f92a7360d94cd437d364547c9719
C:\Users\analyst\AppData\Local\Temp\tsk_a99670b7e98a4ece.exe.exe - 7b3dcdf996930825b0752e86a94358fe21ba66f379c8d687c5d3a995b71fae7c

Embedded URLs

http://www.microsoft.com/pki/certs/CSPCA.crt0
http://www.microsoft.com/pki/certs/tspca.crt0
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

crl.microsoft.com
www.microsoft.com
www.eyuyan.com
wtqq.net

Embedded IP addresses

51.105.71.136
20.247.184.142
52.123.252.203
4.230.171.124
52.110.12.24
52.110.12.44
4.150.223.99
40.79.141.154
135.234.160.245
184.84.165.136
52.110.12.20
52.110.12.3
72.145.35.97
4.247.188.233
52.148.114.188

File paths

i:\,

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report