Analysis

  • max time kernel
    119s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    16-04-2024 14:10

General

  • Target

    f3a85350cfa7d90f5f284660987252b2_JaffaCakes118.xls

  • Size

    36KB

  • MD5

    f3a85350cfa7d90f5f284660987252b2

  • SHA1

    a7a3910cbb4058f7d885362b5e15bde5c717044e

  • SHA256

    696e8e1073511bbf14f750398d83dd7d9ba4b276cf327cc6dc5fe37b4c0dad29

  • SHA512

    85fdffa890d0c29c8eba7002422b51c877a4bbcd8ba3ad96ce408effaead8c3a661153868859f48a226884291bef1e4aa1e2750287545696643551162e4b22f3

  • SSDEEP

    768:xPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ52wiBaMvoZka0x4bW:5ok3hbdlylKsgqopeJBWhZFGkE+cL2Nb

Score
10/10

Malware Config

Extracted

Language
xlm4.0
Source
URLs
xlm40.dropper

https://skill.fashion/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\f3a85350cfa7d90f5f284660987252b2_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:2164
    • C:\Windows\SysWOW64\rundll32.exe
      "C:\Windows\system32\rundll32.exe" C:\Users\Public\Documents\tnhR.txt,DllRegisterServer
      2⤵
      • Process spawned unexpected child process
      PID:528

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/2164-0-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2164-1-0x0000000071E0D000-0x0000000071E18000-memory.dmp
    Filesize

    44KB

  • memory/2164-2-0x0000000071E0D000-0x0000000071E18000-memory.dmp
    Filesize

    44KB

  • memory/2164-3-0x000000005FFF0000-0x0000000060000000-memory.dmp
    Filesize

    64KB

  • memory/2164-4-0x0000000071E0D000-0x0000000071E18000-memory.dmp
    Filesize

    44KB