Analysis

  • max time kernel
    98s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    17/11/2020, 06:31

General

  • Target
    Payment Reference.exe
  • Size 708KB
  • Sample201117-b7dkrakjhs
  • SHA256 5952cc403a58eab272b199a6f39c35bfadf8feeafbadc1a3d30a68e01e93b7ae
  • MD5 SHA1 SHA512

Malware Config

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 behavior: MapViewOfSection 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe"
    1⤵
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:500
    • C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe"
      2⤵
        PID:3980
      • C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:3996
        • C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe
          "C:\Users\Admin\AppData\Local\Temp\Payment Reference.exe"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2856

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/2856-1-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/2856-4-0x0000000000400000-0x000000000044B000-memory.dmp

          memory/3996-3-0x0000000004440000-0x000000000448B000-memory.dmp