MALICIOUS — virussign.com_1a7d5581edf8b96c3ee228e75fa18a00.vir

MALICIOUS — virussign.com_1a7d5581edf8b96c3ee228e75fa18a00.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (75/100), attributed to the HUILoader family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: 3257188138ba6110a3320adb2ea73d024dd961bcb823ea0d1506922c9fc4e008
• SHA-1: 4c1a205439394268e7987168cfc50533b936e5d1
• MD5: 1a7d5581edf8b96c3ee228e75fa18a00
• imphash: 9cc93a9866656e8ea2d841ac0d16422a
• ssdeep: 49152:IKy7QeeHFw1IkSKreUnlzevKgBOl9fsaUiDbatPEHF6Z+EK/hvgcEfLUTq0gDNar:DIQ9zNBmsOqQgDNcEanicl5P
• TLSH: T128648E9A861B3223F2B6D854ACBC69DC80B1F0EC1075D38E9A47DCAD41D503BEDD116A
• Submitted as: virussign.com_1a7d5581edf8b96c3ee228e75fa18a00.vir
• File type: pe · Size: 5184927 bytes
• Verdict: malicious (75/100) · Family: HUILoader

Source: VirusSign · first seen 2026-08-17T00:00:00.000Z · SHA-256 verified

Detections (5 of 55 engines)

• capa (capabilities): capability:collection/keylog
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: Backdoor:Win32/Lauri.A
• Kaspersky (KVRT): Virus.Win32.HLLP.Lauri.a

MITRE ATT&CK

• T1547.001
• T1071.001
• T1057
• T1056.001

Why this verdict

The malicious score of 75/100 is the fusion of 7 weighted signals:

• capture keystrokes (rule capture keystrokes) - capa 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
• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• Embedded network infrastructure: 3.4.15.1 - static signal, weight 0.35, confidence 0.60
• communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• https://self.events.data.microsoft.com/OneCollector/1.0/
• https://office-g.events.data.microsoft.com/OneCollector/1.0/
• https://office-c.events.data.microsoft.com/OneCollector/1.0/
• http://www.microsoft.com/pki/certs/MicCodSigPCA_2010-07-06.crt0
• http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt0
• http://office.microsoft.com

Embedded domains

• self.events.data.microsoft.com
• office-g.events.data.microsoft.com
• office-c.events.data.microsoft.com
• crl.microsoft.com
• www.microsoft.com
• office.microsoft.com

Embedded IP addresses

• 3.4.15.1

File paths

• F:\LauriC\kol.pas
• d:\dbs\el\da1\target\x64\ship\click2run\x-none\IntegratedOffice.pdb
• C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report