Analysis

  • max time kernel
    95s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 10:20

General

  • Target

    3f4b546dd3da31a36f2af8f31cee1e79_JaffaCakes118.dll

  • Size

    315KB

  • MD5

    3f4b546dd3da31a36f2af8f31cee1e79

  • SHA1

    6992a3c857e1abbbb304bc74e24cdc80548358eb

  • SHA256

    25291979e98b0dbd813664abe9af7360f01dca46f12d023b0a757d637d484d55

  • SHA512

    f847239f0d9b52e7fa380554620bec4e1e50e2bc3efe63e0902c6556290e32613846d0cc52a740240d95d8da6258712996b83d2a3ed7e99a3434a8eaa9e34963

  • SSDEEP

    6144:EoUUXDd6DVa4e/ndiR6avkd0AFR0uEeDgUtDGP+JPyVo5E5B:Eo7R6DWvam0AFR0uJxZLPyVo5

Score
5/10

Malware Config

Signatures

  • 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\3f4b546dd3da31a36f2af8f31cee1e79_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3640
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3f4b546dd3da31a36f2af8f31cee1e79_JaffaCakes118.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 364 -s 660
        3⤵
        • Program crash
        PID:3780
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 364 -ip 364
    1⤵
      PID:4672

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/364-0-0x0000000000400000-0x000000000054F000-memory.dmp

      Filesize

      1.3MB

    • memory/364-2-0x0000000000400000-0x000000000054F000-memory.dmp

      Filesize

      1.3MB