Analysis

  • max time kernel
    59s
  • max time network
    55s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    29-05-2024 03:30

General

  • Target

    46a50c0e8786766b218522f27196da992c00127a8e01a503d6f0da2333cf4661.docm

  • Size

    83KB

  • MD5

    49daa45092803bc9827bc8585084d4a4

  • SHA1

    eeb5e9896bdbfed0434b027b590d3cc7d4f89cd8

  • SHA256

    46a50c0e8786766b218522f27196da992c00127a8e01a503d6f0da2333cf4661

  • SHA512

    ac289f9daba084df2d10d2bd9f908f4e1bb3a85c900e0ec7abb68bf110a1fb0691558a89be5e47823dcb7240bea0427199cf3d0f8ac2549c015e7aab245d2466

  • SSDEEP

    1536:Ep+WqQuctgd6mJ/D9eL2E3R1D3a7aGEGrGHEDws5W+JNwHJcgbZoL0d3FZimOXC9:K+X8YJbo2O1DqeGDGHAws5W4wHCgnFZL

Malware Config

Extracted

Family

metasploit

Version

windows/reverse_tcp

C2

192.168.138.223:4444

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\46a50c0e8786766b218522f27196da992c00127a8e01a503d6f0da2333cf4661.docm"
    1⤵
    • Loads dropped DLL
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3020
    • C:\Users\Admin\AppData\Local\Temp\rad77C88.tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\rad77C88.tmp.exe"
      2⤵
      • Executes dropped EXE
      PID:2604
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:348

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Users\Admin\AppData\Local\Temp\rad77C88.tmp.exe
      Filesize

      72KB

      MD5

      39aeffe1467d730807db2a577b467cb3

      SHA1

      ab6a4ef5705ef496ede9ac3ac72c5b9d968fdfbe

      SHA256

      95691b07fac55057be045df76a25091d4ea8d12d20414a49fc0854ac3e4270a0

      SHA512

      e33008174a39eba2c4ba96172450626d32e6105e70c2ca76051e07fd8f5e4a599742bb2fba79373ad2a3f7d02630f0a1ffc3c53ef602e08e98fdc06031f9e557

    • memory/2604-35-0x0000000000020000-0x0000000000021000-memory.dmp
      Filesize

      4KB

    • memory/3020-0-0x000000002F661000-0x000000002F662000-memory.dmp
      Filesize

      4KB

    • memory/3020-1-0x000000005FFF0000-0x0000000060000000-memory.dmp
      Filesize

      64KB

    • memory/3020-2-0x0000000070F1D000-0x0000000070F28000-memory.dmp
      Filesize

      44KB

    • memory/3020-12-0x00000000052B0000-0x00000000053B0000-memory.dmp
      Filesize

      1024KB

    • memory/3020-19-0x00000000052B0000-0x00000000053B0000-memory.dmp
      Filesize

      1024KB

    • memory/3020-25-0x00000000052B0000-0x00000000053B0000-memory.dmp
      Filesize

      1024KB

    • memory/3020-41-0x0000000070F1D000-0x0000000070F28000-memory.dmp
      Filesize

      44KB

    • memory/3020-42-0x00000000052B0000-0x00000000053B0000-memory.dmp
      Filesize

      1024KB