Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2023, 09:23

General

  • Target
    Shipping Details_PDF.exe
  • Size 266KB
  • Sample231121-lchj8ade72
  • SHA256 05a6812ba5b589a313844306d4efef4d0ffbf3395136dc1b45f986c842f0972d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot1855679693:AAF3AdCNyL8GQas6X-8FBuJ8Bm4SDJ9hu8Y/

Signatures

  • AgentTesla

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Shipping Details_PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\Shipping Details_PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
      2⤵
        PID:1000
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Caspol.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:520

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/520-13-0x00000000062F0000-0x0000000006340000-memory.dmp

          memory/520-14-0x00000000063E0000-0x000000000647C000-memory.dmp

          memory/520-17-0x0000000075040000-0x00000000757F0000-memory.dmp

          memory/520-16-0x00000000064D0000-0x00000000064DA000-memory.dmp

          memory/520-15-0x0000000006520000-0x00000000065B2000-memory.dmp

          memory/520-11-0x0000000004EB0000-0x0000000004EC0000-memory.dmp

          memory/520-6-0x0000000000400000-0x0000000000442000-memory.dmp

          memory/520-12-0x0000000005030000-0x0000000005096000-memory.dmp

          memory/520-9-0x0000000075040000-0x00000000757F0000-memory.dmp

          memory/520-10-0x0000000005470000-0x0000000005A14000-memory.dmp

          memory/2284-1-0x00000233311D0000-0x000002333120E000-memory.dmp

          memory/2284-8-0x00007FF895970000-0x00007FF896431000-memory.dmp

          memory/2284-0-0x000002332F640000-0x000002332F684000-memory.dmp

          memory/2284-5-0x00000233313B0000-0x00000233313BA000-memory.dmp

          memory/2284-4-0x0000023349CD0000-0x0000023349CE0000-memory.dmp

          memory/2284-3-0x0000023331210000-0x0000023331216000-memory.dmp

          memory/2284-2-0x00007FF895970000-0x00007FF896431000-memory.dmp