General

  • Target

    PO-2100193237.xls

  • Size

    145KB

  • Sample

    221123-k8xhksdh7y

  • MD5

    75f03b0cdd937e55de5cb442cf32d995

  • SHA1

    6adaca4eff6ac6b02447fed5edc8ece74dc5ced0

  • SHA256

    294739cff953bbd4cb90ba91ffc7faf7c169875818c54d5379de317faec5317f

  • SHA512

    142e57ff5f7503cf18bd7756bf222478fb47c1bec71eb01e24d0ec996b0fd82f4e8f9315d445b91c492a5078134a0b028d9a16f3f659331d7bd8c20430b9ae60

  • SSDEEP

    3072:5XI8BEE2VI8wnSDMidLUiD7oB4YxM+kPB0Enr+K1ciO:5Xf4V2nhWL9DoxMBqqr+sciO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    host39.registrar-servers.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment12345

Targets

    • Target

      PO-2100193237.xls

    • Size

      145KB

    • MD5

      75f03b0cdd937e55de5cb442cf32d995

    • SHA1

      6adaca4eff6ac6b02447fed5edc8ece74dc5ced0

    • SHA256

      294739cff953bbd4cb90ba91ffc7faf7c169875818c54d5379de317faec5317f

    • SHA512

      142e57ff5f7503cf18bd7756bf222478fb47c1bec71eb01e24d0ec996b0fd82f4e8f9315d445b91c492a5078134a0b028d9a16f3f659331d7bd8c20430b9ae60

    • SSDEEP

      3072:5XI8BEE2VI8wnSDMidLUiD7oB4YxM+kPB0Enr+K1ciO:5Xf4V2nhWL9DoxMBqqr+sciO

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • 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 v6

Tasks