General

  • Target

    53092890138641a8f174f2575e5078bcecf0f962f88f15169315ee58dce13342.lzh

  • Size

    7KB

  • Sample

    240604-brndxagc5w

  • MD5

    0c85b349f51340491e1e81dd3722cbef

  • SHA1

    e20870e985c5c1c7005e418cfbf305a7eaed2824

  • SHA256

    53092890138641a8f174f2575e5078bcecf0f962f88f15169315ee58dce13342

  • SHA512

    c5e21a7b7af7237baa3b46bc3a54cd416853bf69a42f2ed5c7db5a5516ceafb55275922a75034510cebebecaa932c40d231839193d3374d1a6e1e5f7fcd3bd78

  • SSDEEP

    192:9AP/acpYRulZOlZwV29EuGxtbpB0HjF5QgbRSh4orgs:9A6RRSoGNzb/Ov45rgs

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Nedfrendes.vbs

    • Size

      14KB

    • MD5

      549f7414c0068e703e6d3cb0b030143a

    • SHA1

      aaa6ae647d9758a4ec357f3234b0ac8ec82ddbfa

    • SHA256

      8b0e0980e676bba6b7be8e303bf181fe30963e17af40aba4cf039985f40f355a

    • SHA512

      a642bb48f487bf7e1724c7dec973273dd6050e6f1f513f08133c656f54e400b0f0ebd93bc95e8b2c9040d21172cc807d4e28fe3103624a2e127fcd0408bc0486

    • SSDEEP

      192:uttuEDcnnpck4OF4bZenpkn9unxiJEytkc6iVcTuiXzUKtp:uttlcpckzK9unxvAezUKz

    • 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

    • Blocklisted process makes network request

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks