Analysis

  • max time kernel
    76s
  • max time network
    62s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    15/07/2020, 22:29

General

  • Target
    RE CONTRACT INQUIRY FOR NEW PURCHASE.exe
  • Size 1.1MB
  • Sample200715-ef87tfq6fa
  • SHA256 1b4e28dcbdc43bef452529271092f42190ea171e724dbf659622d170f6b7e080
  • 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 WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RE CONTRACT INQUIRY FOR NEW PURCHASE.exe
    "C:\Users\Admin\AppData\Local\Temp\RE CONTRACT INQUIRY FOR NEW PURCHASE.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Users\Admin\AppData\Local\Temp\RE CONTRACT INQUIRY FOR NEW PURCHASE.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1440-0-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1440-2-0x0000000000400000-0x000000000044C000-memory.dmp

        memory/1440-3-0x0000000000400000-0x000000000044C000-memory.dmp