Analysis

  • max time kernel
    60s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2023, 16:22

General

  • Target
    TT COPY.exe
  • Size 709KB
  • Sample230418-tt8fzaed4x
  • SHA256 02e5efb34c7a49fdfa2aa6e1399060c94f2de759c15040aaea1499062a3f9901
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot2134979594:AAFk4QkrlHlt2a-q-EhIoHZBbzxSH0QxiBI/

Signatures

  • AgentTesla

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TT COPY.exe
    "C:\Users\Admin\AppData\Local\Temp\TT COPY.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1288
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "{path}"
      2⤵
        PID:5080
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:532

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/532-141-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/532-147-0x0000000006E10000-0x0000000006FD2000-memory.dmp

          memory/532-146-0x0000000006BF0000-0x0000000006C40000-memory.dmp

          memory/532-145-0x00000000052B0000-0x00000000052C0000-memory.dmp

          memory/532-144-0x00000000052B0000-0x00000000052C0000-memory.dmp

          memory/532-143-0x0000000005390000-0x00000000053F6000-memory.dmp

          memory/1288-136-0x0000000004DC0000-0x0000000004E52000-memory.dmp

          memory/1288-140-0x0000000004EF0000-0x0000000004F00000-memory.dmp

          memory/1288-139-0x0000000004EF0000-0x0000000004F00000-memory.dmp

          memory/1288-138-0x0000000004F00000-0x0000000004F56000-memory.dmp

          memory/1288-137-0x0000000004CF0000-0x0000000004CFA000-memory.dmp

          memory/1288-133-0x0000000000290000-0x0000000000348000-memory.dmp

          memory/1288-135-0x0000000005370000-0x0000000005914000-memory.dmp

          memory/1288-134-0x0000000004D20000-0x0000000004DBC000-memory.dmp