MALICIOUS — virussign.com_23b01340f975680f569f687f1a7aa260.vir

MALICIOUS — virussign.com_23b01340f975680f569f687f1a7aa260.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Zbot family. 8 of 52 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: c8f5a1032f770a377b3435336d8ff461a670a67442c56621202b96a9d700beda
• SHA-1: d313da0f71910c895d6f37e920e8e8389453448b
• MD5: 23b01340f975680f569f687f1a7aa260
• imphash: cdad71f00be06ad1b130e995c45f78b1
• ssdeep: 196608:EP0vi/qn/R15fmmpLnHhWKL+qw5LVK+ZrIcBTt:E8v4qn/R1Ftb4EiVhV
• TLSH: T1FD6902AD110B167FD3F3A5501D58ACDC87E3B088A4BA9A18D403C41BB2E1EF7996D079
• Submitted as: virussign.com_23b01340f975680f569f687f1a7aa260.vir
• File type: pe · Size: 8391881 bytes
• Verdict: malicious (98/100) · Family: Zbot

Source: VirusSign · first seen 2026-08-04T00:00:00.000Z · SHA-256 verified

Detections (8 of 52 engines)

• capa (capabilities): capability:execution/powershell
• MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
• ClamAV (daily): Win.Spyware.Zbot-1282
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: MalwareAnalyser community pack: TL_UPX_Packed
• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: Trojan:Win32/Fareit!pz
• Kaspersky (KVRT): Trojan.Win32.VB.dosq

MITRE ATT&CK

• T1059.001
• T1547.001
• T1057
• T1056.001

Why this verdict

The malicious score of 98/100 is the fusion of 10 weighted signals:

• ClamAV (daily) flagged Win.Spyware.Zbot-1282 (rule Win.Spyware.Zbot-1282) - engine signal, weight 0.90, confidence 0.95
• execute via PowerShell (rule execute via PowerShell) - capa signal, weight 0.40, confidence 0.80
• 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: MalwareAnalyser community pack flagged TL_UPX_Packed (rule TL_UPX_Packed) - 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: http://purl.org/dc/elements/1.1/, http://www.iec.ch, https://superuser.com/a/1648105 - static signal, weight 0.35, confidence 0.60
• Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
• 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

• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://ns.adobe.com/xap/1.0/
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/photoshop/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/sType/ResourceEvent#
• http://ns.adobe.com/xap/1.0/sType/Resou
• http://www.iec.ch
• https://superuser.com/a/1648105
• http://schemas.microsoft.com/SMI/2005/WindowsSettings

Embedded domains

• ns.adobe.com
• www.w3.org
• purl.org
• www.iec.ch
• superuser.com
• u4.sh
• schemas.microsoft.com
• pool.hashvault.pro
• j.au
• 7k.mx
• discord.gg
• webrat.site
• t.me

Embedded IP addresses

• 106.42.73.61

File paths

• C:\Program
• C:\Users\Malware\Desktop\leb
• a:\GG
• o:\6
• c:\jenkins\workspace\8-2-build-windows-x64-cygwin-sans-NAS\jdk8u401\683\build\windows-x64\deploy\jre-image\bin\javaws.pdb
• C:\Users\Public\Documents
• P:\:
• D:\Projects\WinRAR\sfx\build\sfxrar64\Release\sfxrar.pdb
• C:\Users\Bruno\Desktop\fileSrvSrvSrvSrv.exe
• C:\Windows\System32\userinit.exe,

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report