General

  • Target

    1047cf8fbc49544a7b163dd0442f7662460f3cf979fed4f1c35167bdc70577a8

  • Size

    623KB

  • Sample

    250129-bpec8azjej

  • MD5

    969fca9f5c785119bd9121f782474b68

  • SHA1

    0e918f3b2b4e8d610b450bc1576830640a0f4d44

  • SHA256

    1047cf8fbc49544a7b163dd0442f7662460f3cf979fed4f1c35167bdc70577a8

  • SHA512

    0ea3a3fea500f413a5ce87e08fbb80318446d39814dcc1b583aba419abda16f2555d13f6cd803fb1d698569182c89c9efc2ef37377690ebc9e970dfa9ff46b1b

  • SSDEEP

    12288:tng2gBdF+8Zl63s0L/zUVpAWC1sfjJbDvVdbSQ+P:VK5Z8/jP+JbD6Q+P

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Remittance slip 060223.exe

    • Size

      708KB

    • MD5

      426e0fa17ee9518f05ab0ef0227c11c7

    • SHA1

      9eec1531ebe6217f9bd54e585316129dae565d43

    • SHA256

      103a24c03c526ba935708b1e870c75c5e26215c2d3ae87e4f4d91ead58aac960

    • SHA512

      0347fac5f1ad1eb73875069171697cf44a9d4b097de8b4a112c4325c35cad622cb891bd7be4f72a2b28eb517caf1005152feb809259b84e33c3c40463b342157

    • SSDEEP

      12288:3jUwLPEgqD39ZoCSN0wGApK9JWQwVKiBSpMKKM5pxA/VcjmdfE:oY7qz9SCKjG2yc9B+pvu/+jmu

    • 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