Analysis

  • max time kernel
    117s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    15-04-2024 13:44

General

  • Target

    f13279295dc7680101a288bef81b25ae_JaffaCakes118.xls

  • Size

    36KB

  • MD5

    f13279295dc7680101a288bef81b25ae

  • SHA1

    4153ddfe84ba3362d890de73d45ce4d5cc6c4f8e

  • SHA256

    17c15385d3e1d258121da0f96eceb1949aafe17da9f3a5c64625c9e455bb5212

  • SHA512

    c2100a2bc4c2d14b825fa1b5152c7272fd9f91f3637fae44303bfad6d0710920f70de1459d2919ceecc7db90eee7e60a5232a4e005a5320c846bfb59493bcf08

  • SSDEEP

    768:+PqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJpmogW31kTKDwdv:Cok3hbdlylKsgqopeJBWhZFGkE+cL2N3

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

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

xlm40.dropper

https://statedauto.com/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\f13279295dc7680101a288bef81b25ae_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:3036
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\OnKNU.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:2468

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/3036-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/3036-1-0x00000000729AD000-0x00000000729B8000-memory.dmp
    Filesize

    44KB

  • memory/3036-2-0x00000000729AD000-0x00000000729B8000-memory.dmp
    Filesize

    44KB

  • memory/3036-3-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/3036-4-0x00000000729AD000-0x00000000729B8000-memory.dmp
    Filesize

    44KB