Analysis

  • max time kernel
    77s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    10/07/2020, 07:42

General

  • Target
    d7aa2e5f3f9246c25844c9e8d6d709f9.exe
  • Size 566KB
  • Sample200710-8tlmppf8h2
  • SHA256 a4386679c10dfd7338f895f96529fe4c8188814db395cf6473786c9ae3c4c957
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7aa2e5f3f9246c25844c9e8d6d709f9.exe
    "C:\Users\Admin\AppData\Local\Temp\d7aa2e5f3f9246c25844c9e8d6d709f9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1492
    • C:\Users\Admin\AppData\Local\Temp\d7aa2e5f3f9246c25844c9e8d6d709f9.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1600

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1600-0-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1600-2-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1600-3-0x0000000000400000-0x000000000044C000-memory.dmp