General

  • Target

    e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79

  • Size

    741KB

  • Sample

    250123-bm8jaavmfs

  • MD5

    41bf67688c5d58f536ebb1e27d51b50e

  • SHA1

    cc661142c6397d38e969b34fadd4f71d094d86b0

  • SHA256

    e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79

  • SHA512

    7fb60b14826f7c4f5a330441a06e9e1a4726f0e142f3bdb7fe0abccc59a76047d004ef7d1b21a90bc72540db546aa853433ce4838068352c597ebb2a7ebbd746

  • SSDEEP

    12288:a2LbWa+kkFv6re6vkrIRlFgyVSTh15UilAkUAGSkaAlduLJ:gk+v6rec2KEyVW1ZUAIpCJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79

    • Size

      741KB

    • MD5

      41bf67688c5d58f536ebb1e27d51b50e

    • SHA1

      cc661142c6397d38e969b34fadd4f71d094d86b0

    • SHA256

      e57c8f7816b977274bc947ad634d5571ea1214e3a8950c5480250b46d5649e79

    • SHA512

      7fb60b14826f7c4f5a330441a06e9e1a4726f0e142f3bdb7fe0abccc59a76047d004ef7d1b21a90bc72540db546aa853433ce4838068352c597ebb2a7ebbd746

    • SSDEEP

      12288:a2LbWa+kkFv6re6vkrIRlFgyVSTh15UilAkUAGSkaAlduLJ:gk+v6rec2KEyVW1ZUAIpCJ

    • 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.

    • Adds Run key to start application

    • 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