Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    18-04-2024 21:27

General

  • Target

    f8c8c8b69842e680d794797ce5d0a0e3_JaffaCakes118.xls

  • Size

    36KB

  • MD5

    f8c8c8b69842e680d794797ce5d0a0e3

  • SHA1

    7a2595663d2c567e1a8cfc5a1833f9c1bab0f311

  • SHA256

    ea6166c3d77b2971725dfe88fd2f655d479b64e722ba54b5dabfb7c108c0cb4d

  • SHA512

    1cc4e2faf9382c5999e51f22fc06aa17d5d48d1a1b27be0edf1a53e613942f13c32f2cf4b49ca15e69d5c66a3644d3e468e029a7db3b6cfc16962fb0393262f4

  • SSDEEP

    768:MPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJow/zKsgRALGr2JC+cmJ:Yok3hbdlylKsgqopeJBWhZFGkE+cL2N8

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://markens.online/wp-data.php

Signatures

  • Process spawned unexpected child process 1 IoCs

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

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
    "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\f8c8c8b69842e680d794797ce5d0a0e3_JaffaCakes118.xls
    1⤵
    • Enumerates system info in registry
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\DBnNYan.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2448

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1308-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1308-1-0x0000000071E4D000-0x0000000071E58000-memory.dmp
    Filesize

    44KB

  • memory/1308-2-0x0000000071E4D000-0x0000000071E58000-memory.dmp
    Filesize

    44KB

  • memory/1308-3-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/1308-4-0x0000000071E4D000-0x0000000071E58000-memory.dmp
    Filesize

    44KB