General

  • Target
    c9712ba57f4a28529f198f85185717f9607e1301c69cb565c839b7e9476e52ec.vbe
  • Size 5KB
  • Sample240601-b86ltaed52
  • SHA256 c9712ba57f4a28529f198f85185717f9607e1301c69cb565c839b7e9476e52ec
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      c9712ba57f4a28529f198f85185717f9607e1301c69cb565c839b7e9476e52ec.vbe
    • Size 5KB
    • SHA256 c9712ba57f4a28529f198f85185717f9607e1301c69cb565c839b7e9476e52ec
    • MD5 SHA1 SHA512 SSDEEP
    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • 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