Analysis

  • max time kernel
    300s
  • max time network
    292s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    08-10-2020 15:18

General

  • Target

    3aadbf7e527fc1a050e1c97fea1cba4d.doc

  • Size

    7.9MB

  • MD5

    3aadbf7e527fc1a050e1c97fea1cba4d

  • SHA1

    2cf055b3ef60582ca72e77bc4693ea306360f611

  • SHA256

    208ec23c233580dbfc53aad5655845f7152ada56dd6a5c780d54e84a9d227407

  • SHA512

    642fadbcb8c94858a770de4e6e419bcc6c223e92fe3294f0b56519bdd4b74cdc9918ebac83a91627de5bef4cfd42a1abde79c4bf9e2801f582e18c9fd5000976

Malware Config

Signatures

  • PoetRAT

    PoetRAT is remote administration tool written in python.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Executes dropped EXE 3 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with 4.0 macros.

  • Loads dropped DLL 33 IoCs
  • JavaScript code in executable 9 IoCs
  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 11 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\3aadbf7e527fc1a050e1c97fea1cba4d.doc" /o ""
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2884
    • C:\Windows\SYSTEM32\cmd.exe
      cmd /c copy C:\Users\Admin\AppData\Local\Temp\3aadbf7e527fc1a050e1c97fea1cba4d.doc C:\Users\Public\docer.doc
      2⤵
      • Process spawned unexpected child process
      PID:1460
    • C:\Users\Public\Python37\python.exe
      C:\Users\Public\Python37\python.exe "C:\Users\Public\\Python37\launcher.py"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3100
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Public\\Python37\python.exe" "C:\Users\Public\\Python37\smile.py""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3680
        • C:\Users\Public\Python37\python.exe
          "C:\Users\Public\\Python37\python.exe" "C:\Users\Public\\Python37\smile.py"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:2572
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Public\\Python37\python.exe" "C:\Users\Public\\Python37\frown.py""
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:8
        • C:\Users\Public\Python37\python.exe
          "C:\Users\Public\\Python37\python.exe" "C:\Users\Public\\Python37\frown.py"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:2132

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/2884-0-0x00007FFF4EA10000-0x00007FFF4F0D6000-memory.dmp

    Filesize

    6.8MB

  • memory/2884-3-0x0000026A4C154000-0x0000026A4C15D000-memory.dmp

    Filesize

    36KB

  • memory/2884-2-0x0000026A4C154000-0x0000026A4C15D000-memory.dmp

    Filesize

    36KB

  • memory/2884-1-0x0000026A4C15D000-0x0000026A4C162000-memory.dmp

    Filesize

    20KB