General

  • Target
    Understregninger.exe
  • Size 322KB
  • Sample230511-p1rdtadd28
  • SHA256 f8082dc1210616c55008edc73e1ca4966cd8575e2425ed72f71f28b97f71172a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6168599451:AAGNek51QMYNhL09hhnCcUs8a_1nMuD4d9s/

Targets

    • Target
      Understregninger.exe
    • Size 322KB
    • SHA256 f8082dc1210616c55008edc73e1ca4966cd8575e2425ed72f71f28b97f71172a
    • MD5 SHA1 SHA512 SSDEEP
    • AgentTesla

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

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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 v6

Tasks