Analysis

  • max time kernel
    140s
  • max time network
    110s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    08/04/2021, 04:05

General

  • Target
    ORDER.exe
  • Size 916KB
  • Sample210408-52b4pgxlbe
  • SHA256 b07e45f89c99e0de7be6e2dabf2d4aa09683f95528200626bfe38b6eaf2f4174
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot1617573926:AAHNsFP1OMw1hdG4MptOqkYtuw7UzEZ22WU/sendDocument

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sjdfOLrX" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD58.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2712
    • C:\Users\Admin\AppData\Local\Temp\ORDER.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1908

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1908-5-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/1908-7-0x0000000001650000-0x0000000001651000-memory.dmp

        memory/1908-8-0x0000000001651000-0x0000000001652000-memory.dmp

        memory/1908-9-0x0000000001652000-0x0000000001653000-memory.dmp

        memory/4052-2-0x0000000002910000-0x0000000002911000-memory.dmp