General

  • Target

    a74b70cd8d726b6ef6614144e9cbce7c959cac7b90fd5459c210464cf978572b

  • Size

    593KB

  • Sample

    250122-bmbvbazrbt

  • MD5

    01a68b1f8d441244bf861517aa05881a

  • SHA1

    bd325581e779c78a336a71b57354edae86d184ec

  • SHA256

    a74b70cd8d726b6ef6614144e9cbce7c959cac7b90fd5459c210464cf978572b

  • SHA512

    c6de44f25cc5a9e6a6a7d5563555e3115a9b80f7f564dd98d88dc98f7ba66ba7e41c8e2f97e599c95fc12b45cc8e5fc33a2647cbd013d144d1ae16d431ee7477

  • SSDEEP

    12288:+zb2P4qonRRI0ysDDPlv56pdQxfDXXCrLI5kU3DPaVOMb2d4VauhTit:xIzDDPxCaAMkU6OJ4Vauwt

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      PO140320666.exe

    • Size

      740KB

    • MD5

      0b84f4bdbcf896cd8159455957a76b07

    • SHA1

      30fd26f9c6368e24763e9b3f8be87cd19446292c

    • SHA256

      238525043acd0e92e92f6317fdadcb469dd26ef5cd7460e0188a673165ebef84

    • SHA512

      00693d56e505fef7c913d61219cf3d5dbd23181d5c62fcdfbe42d045e4052edcd8271585a52de6ec9f99cba6da51c10d8f52d3a48321eb4f9b37a608231e88ef

    • SSDEEP

      12288:sShIIO8DfjigXxXdxx74EdG1bntMtM/xNKQ41:sw7fZXNd34EoiMHy

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks