Analysis

  • max time kernel
    112s
  • max time network
    93s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    30/07/2020, 06:19

General

  • Target
    URGENT PURCHASE ORDER FOR IMM SHIPMENT - EXWORKS - 10FCL SCAN DOCUMENT 0000110023.exe
  • Size 788KB
  • Sample200730-962ttf732j
  • SHA256 a1d2c856822cf2e66b6fd68d4e07f090839c4989099531585af171665ae25067
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\URGENT PURCHASE ORDER FOR IMM SHIPMENT - EXWORKS - 10FCL SCAN DOCUMENT 0000110023.exe
    "C:\Users\Admin\AppData\Local\Temp\URGENT PURCHASE ORDER FOR IMM SHIPMENT - EXWORKS - 10FCL SCAN DOCUMENT 0000110023.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1456
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1688
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:2000

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/1688-7-0x0000000000090000-0x00000000000E2000-memory.dmp

          memory/1688-8-0x0000000000090000-0x00000000000E2000-memory.dmp