Analysis

  • max time kernel
    135s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/10/2024, 16:34

General

  • Target

    52a509b638973518fcf1a4d7bcd38869_JaffaCakes118.dll

  • Size

    81KB

  • MD5

    52a509b638973518fcf1a4d7bcd38869

  • SHA1

    12236e36387bd38727b8c29b6ae6712c06a2ec04

  • SHA256

    d7b954c8aa69104014b7c14f618c81d0848c6a01cb788a650ec87081d114d346

  • SHA512

    2a4395b7dc030af09fd9d79d000e9d962e186a06e8594a7413e8a75273d369ca5cf88a33b012dc149009e4fe4900e1ee6b58be022693287560ec555687178bc4

  • SSDEEP

    768:IQK9XOHKauKlHg5LMWFRlPPg5dtJICnCISMcWNxXQPFpg1:RK9UKTKlHg5LMWPl3kP+CC58X

Malware Config

Signatures

  • Modifies WinLogon 2 TTPs 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\52a509b638973518fcf1a4d7bcd38869_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\52a509b638973518fcf1a4d7bcd38869_JaffaCakes118.dll,#1
      2⤵
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      PID:2812
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2812 -s 748
        3⤵
        • Program crash
        PID:2368
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2812 -ip 2812
    1⤵
      PID:4896

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2812-0-0x0000000010000000-0x0000000010016000-memory.dmp

      Filesize

      88KB

    • memory/2812-1-0x0000000010000000-0x0000000010016000-memory.dmp

      Filesize

      88KB