General

  • Target

    7468b2db67d7df89dc67b64c6a6a487bc67da85c11e03036b26290d8218101a6.exe

  • Size

    733KB

  • Sample

    240425-b2d8zsdb3z

  • MD5

    23e189bd0552c1601a8e0f9ba8d15c86

  • SHA1

    4094f42d511ab76f00f62dad7d40d42015e87651

  • SHA256

    7468b2db67d7df89dc67b64c6a6a487bc67da85c11e03036b26290d8218101a6

  • SHA512

    f83e3386b8175359b4b8a6fb9d8e692b1ea427215005064766198fa9667c276117eedff8977a76977604043370d44aa4514605946ae8eb22ec1ef339018c1100

  • SSDEEP

    12288:bdFkDzZLeZIasnetaFPWpOiDF/5zGSQVQ/Z9l:bdu/ZoIa6etaFPWpOiDF/Oy3l

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      7468b2db67d7df89dc67b64c6a6a487bc67da85c11e03036b26290d8218101a6.exe

    • Size

      733KB

    • MD5

      23e189bd0552c1601a8e0f9ba8d15c86

    • SHA1

      4094f42d511ab76f00f62dad7d40d42015e87651

    • SHA256

      7468b2db67d7df89dc67b64c6a6a487bc67da85c11e03036b26290d8218101a6

    • SHA512

      f83e3386b8175359b4b8a6fb9d8e692b1ea427215005064766198fa9667c276117eedff8977a76977604043370d44aa4514605946ae8eb22ec1ef339018c1100

    • SSDEEP

      12288:bdFkDzZLeZIasnetaFPWpOiDF/5zGSQVQ/Z9l:bdu/ZoIa6etaFPWpOiDF/Oy3l

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • UAC bypass

    • Windows security bypass

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with or use KoiVM

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Windows security modification

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks