MALICIOUS — cdd298849c4406b391d5604c6d17cccef45d98354cfee956193c818c9ac3b63e

MALICIOUS — cdd298849c4406b391d5604c6d17cccef45d98354cfee956193c818c9ac3b63e 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: cdd298849c4406b391d5604c6d17cccef45d98354cfee956193c818c9ac3b63e
SHA-1: ccacbe449933b348fab074b2692236ec55d98a3d
MD5: 42e834ab5165673c5bdafea03b5370af
imphash: 5144a995e58e9a1dec8b8e0e5ed55aec
ssdeep: 12288:mgr9CXFI5IFyb1glaWCh9YvuSJ8WOIhkognlSS8kw5iL///////HR:NCVcIFc1g2YvuSJ8CPgnlqB
TLSH: T164508C2438620422C46E6FFD2883DE3C9E93BB60BD2A593E5F85F571C5EB8779402095
Submitted as: cdd298849c4406b391d5604c6d17cccef45d98354cfee956193c818c9ac3b63e
File type: pe · Size: 794624 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.2
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.2 (rule Win32.Prepender.Gen.2) - 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 16 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)

68681 behavior events · 2 ATT&CK techniques · 25 dropped files.

Dropped files

C:\Program Files\7-Zip\7zG.exe.ico - 8cad493433ec34a34ca6f4fd49655aaf7cbb4337752743804db83ea6c050d1fe
C:\Program Files\7-Zip\7zG.exe.exe - 8258461e13d57f0558b984c50869af632baf6824b9be684336198a545f69df50
C:\Program Files\7-Zip\Uninstall.exe.ico - ea0420b60b078a22fdcfd40d86d589793baa2e0327b37dcdcc5399aac4037d4e
C:\Users\analyst\AppData\Local\Temp\tsk_744b4d79822144a9.exe.exe - 41a2dbc637a35e22acbd86293c9ada7e217d6dbb97901cbf5780c7b08f1b2717
C:\Program Files\7-Zip\Uninstall.exe - e8c0e16bee081fc6149d630216146a0d100cd5bca7714370f0d77fb637d35900
d6f6345a0b0158fad1a68458aee41322176b74a3240692ffec621ff63ff1984f - d6f6345a0b0158fad1a68458aee41322176b74a3240692ffec621ff63ff1984f
C:\Sysmon64.exe - 4ccb3a826eb004158349bae2329bf194b12b8696bfa1315521f4dfbf61f04e1e
C:\Program Files\7-Zip\7z.exe - 75283ddc4c24e1a1df4ef3cbce1435444d23233615a01aac13c9af15414c33c8
C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe - e20a122244f4e40868dd7888b3c573bde161eaf7080d1cbdd306e4ecdacc01b0
C:\Program Files\Adobe\Acrobat DC\Acrobat\AcroBroker.exe - b8e7f84ce65b539c182e242d2c8ca73d7456352fe329bfc3a18cfa3eb9e95bfb
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADelRCP.exe - 2204da942ce231a084b8cd02721eb88240946437ea66d33a3175a31eb195a759
C:\Program Files\Adobe\Acrobat DC\Acrobat\Adobe Crash Processor.exe.exe - f8d077e65e80ebb9ac89eabc35674a8a8d73da0444040f04855152ca196174d8
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe.exe - ea047db80e003f6aaa934113fca5e91eda7ead000819df97cc0e444b4f5482a4
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe - 99f06f9b8e4b6abaeb42fd3e1f3b2e5b3d1a138f5c27d3ab24cc45df59e96570

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
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

www.eyuyan.com
wtqq.net
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

20.184.175.20
4.230.171.124
4.247.188.224
52.253.84.76
135.232.92.137
40.74.98.197
135.232.92.97
172.66.2.5
135.233.45.221
52.148.114.188
72.153.5.96
52.110.12.22

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report