General

  • Target
    9aa64f43d090ff657848da74a0c2ea1f3211fa1d88ac3fa603e65d724360a957.vbs
  • Size 92KB
  • Sample240619-by2j4swarn
  • SHA256 9aa64f43d090ff657848da74a0c2ea1f3211fa1d88ac3fa603e65d724360a957
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials

Targets

    • Target
      9aa64f43d090ff657848da74a0c2ea1f3211fa1d88ac3fa603e65d724360a957.vbs
    • Size 92KB
    • SHA256 9aa64f43d090ff657848da74a0c2ea1f3211fa1d88ac3fa603e65d724360a957
    • 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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • 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

    • 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