MALICIOUS — 557783e71e68debc94ed6e4a8d678ae2cd854aeaddeb2f53c65424a6ce7c6713

MALICIOUS — 557783e71e68debc94ed6e4a8d678ae2cd854aeaddeb2f53c65424a6ce7c6713 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: 557783e71e68debc94ed6e4a8d678ae2cd854aeaddeb2f53c65424a6ce7c6713
SHA-1: 8033127fe538c173845c6a2fad399a50f9fac2a5
MD5: b35b3311087bc70108f777f875b74cb8
imphash: 5144a995e58e9a1dec8b8e0e5ed55aec
ssdeep: 12288:/3qA2Gh3gupL4lp+4VxVXhQxXcVcfwkiZdh6hneJ9+lKw+7B5UKw5inQ:Yb/XkiZdh6R0O+7B5U3r
TLSH: T199519EDEFB76389EE5FA6FD8AE0908BC5080DA1E0C4D151911CA5DE41FB3A639D2001E
Submitted as: 557783e71e68debc94ed6e4a8d678ae2cd854aeaddeb2f53c65424a6ce7c6713
File type: pe · Size: 839680 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 5 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)

68634 behavior events · 2 ATT&CK techniques · 25 dropped files.

Dropped files

C:\Program Files\7-Zip\7zG.exe - 8f0c9bc3361c77e234fe0612979ec3bc2f07b4eba355e90b9b7c99abbffb22f4
C:\Program Files\7-Zip\7zG.exe.ico - 8cad493433ec34a34ca6f4fd49655aaf7cbb4337752743804db83ea6c050d1fe
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe - f9e1c4f0095214a23fb783898224e1916e9e6a737db7b2aa1a0012a6bcf58ae1
C:\Program Files\7-Zip\Uninstall.exe.ico - ea0420b60b078a22fdcfd40d86d589793baa2e0327b37dcdcc5399aac4037d4e
C:\Program Files\7-Zip\Uninstall.exe - a4f0174add2347a1aa96044daf7c31b28c6805632f4b6dd42d677bb879cf7f26
C:\Program Files\7-Zip\7zG.exe.exe - 7c502b6e27d93622eb2b831186f1bd0edc798fa10bfd332076a7d2240c445a17
C:\Sysmon64.exe - 6eb1f5b539233d76379ec323228e5b0766bfefcf73904dc552fd13dd3aefe445
19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b - 19ae4dc6481f738d164b59daa58659ddc4419911089464415840e7ab31e4bf4b
C:\Program Files\7-Zip\7zFM.exe - b8f8ec1a04ead33e4e36afde6a555606690e42d7c55c54a927f6b06dd783d503
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADelRCP.exe - 41e8796f8374de7b8b064b49d3c16059efbe08469b22a0e9c8c6243abadc527f
cd0d3702a03e177964f7784dcc01401f570a3fa4ee3dcb1503fd4a1d416bd059 - cd0d3702a03e177964f7784dcc01401f570a3fa4ee3dcb1503fd4a1d416bd059
C:\Program Files\Adobe\Acrobat DC\Acrobat\Acrobat.exe - 830ef7fc607951c0d91018575b48d884fe17fabf8dce688f0373f00646163060
C:\Program Files\Adobe\Acrobat DC\Acrobat\ADNotificationManager.exe.ico - 14b347748c4d208fa5294f7bdd53ae4147d40e27cf810dd60423af0d8b0c989c
C:\Users\analyst\AppData\Local\Temp\tsk_082fdc5c372c4630.exe.exe - 907f11c6d6991d1d461e093811afff997054fe595e5552d52da5617f26ab7bfb
C:\Program Files\Adobe\Acrobat DC\Acrobat\Adobe Crash Processor.exe.ico - 463b6e99198762de39ea3c9156504527673355f452c17063d0fcc34caa3cfded

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

4.150.223.115
20.247.185.124
52.123.252.226
4.230.171.124
40.84.97.4
4.150.223.107
52.178.17.232
172.178.240.163
20.42.179.192
52.148.114.188
72.153.5.132
52.110.12.18
52.110.12.26

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report