General

  • Target

    19b604df73a21665949858204d634fc31077cc0b1c0c02f53712b2cf3b5e8bc0.exe

  • Size

    767KB

  • Sample

    240619-bhh3ts1are

  • MD5

    ae54788d08becd55e2b37644bd3a415f

  • SHA1

    1cfa4e42bfdb310216232b98078058613a22bd23

  • SHA256

    19b604df73a21665949858204d634fc31077cc0b1c0c02f53712b2cf3b5e8bc0

  • SHA512

    c12a405c4cc75c18d804c00300f4de326c1e32ddbd7dc72d11fc0ebd75aa20a59198639b7b39715bdb09e5f57285e7cc2d0118a43ea9f89dd18f956fdc0951c7

  • SSDEEP

    12288:nbpD3HH3DI+jiNu1r3jhWvk4Zdmm8gJgoDxJ/27+LHeMbGIfauCRUDJM:bpjH3DI2DAvkwbvgoDxESCMbGIyTUFM

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      19b604df73a21665949858204d634fc31077cc0b1c0c02f53712b2cf3b5e8bc0.exe

    • Size

      767KB

    • MD5

      ae54788d08becd55e2b37644bd3a415f

    • SHA1

      1cfa4e42bfdb310216232b98078058613a22bd23

    • SHA256

      19b604df73a21665949858204d634fc31077cc0b1c0c02f53712b2cf3b5e8bc0

    • SHA512

      c12a405c4cc75c18d804c00300f4de326c1e32ddbd7dc72d11fc0ebd75aa20a59198639b7b39715bdb09e5f57285e7cc2d0118a43ea9f89dd18f956fdc0951c7

    • SSDEEP

      12288:nbpD3HH3DI+jiNu1r3jhWvk4Zdmm8gJgoDxJ/27+LHeMbGIfauCRUDJM:bpjH3DI2DAvkwbvgoDxESCMbGIyTUFM

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

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

    • 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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks