SUSPICIOUS — virussign.com_af8ba4b138c3d449185bfb688334f730.vir

SUSPICIOUS — virussign.com_af8ba4b138c3d449185bfb688334f730.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (40/100), attributed to the AntiDebug family. 4 of 51 detection engines flagged it.

Identification

• SHA-256: 372b532fc202c5d1071ae7f60778c1a773e0a3a4961cebc4eb9bf9219c28af67
• SHA-1: a61fbc96394423af3d43d08102e37444dd97c52d
• MD5: af8ba4b138c3d449185bfb688334f730
• imphash: 542863a264e826bf130b0880664f67e4
• ssdeep: 98304:c7GpL4IFkDS1foMqv4Yop7IyoB+QBPDE7u4kV+EsDp4kyIXs9:c7GpZ31foMqtB+QBPDEVs9
• TLSH: T15C6A8DA063A43595EBFA1D78FC68956E37B3A02219B6C3DC0385700650E61FF4A3C5E6
• Submitted as: virussign.com_af8ba4b138c3d449185bfb688334f730.vir
• File type: pe · Size: 9808026 bytes
• Verdict: suspicious (40/100) · Family: AntiDebug

Source: VirusSign · first seen 2026-08-02T00:00:00.000Z · SHA-256 verified

Detections (4 of 51 engines)

• YARA: Yara-Rules community: YR_AntiDebug_Checks
• Microsoft Defender: Trojan:Win32/Zusy.KK!MTB
• Emsisoft (Emergency Kit): Gen:Variant.Fragtor.905234
• Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.pef

Why this verdict

The suspicious score of 40/100 is the fusion of 2 weighted signals:

• YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://gcc.gnu.org/bugs/ - static signal, weight 0.35, 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://gcc.gnu.org/bugs/

Embedded domains

• gcc.gnu.org
• tinfo.cc
• vterminate.cc
• fstream-inst.cc
• functexcept.cc
• ios-inst.cc
• ios.cc
• iostream-inst.cc
• istream-inst.cc
• locale-inst.cc
• ostream-inst.cc
• streambuf-inst.cc
• string-inst.cc
• wlocale-inst.cc
• dyncast.cc
• locale.cc
• codecvt.cc
• istream.cc
• stdexcept.cc
• streambuf.cc
• cow-stdexcept.cc
• cow-string-inst.cc
• cow-wstring-inst.cc
• ctype.cc
• cxx11-locale-inst.cc

File paths

• X:\:`:d:h:l:p:t:x:
• X:\:h:l:p:

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report