Analysis

  • max time kernel
    51s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    24/08/2024, 22:45

General

  • Target

    bf939451e5073fa9c6c58d427061aad6_JaffaCakes118.exe

  • Size

    364KB

  • MD5

    bf939451e5073fa9c6c58d427061aad6

  • SHA1

    659293222347375a4eae2ff9e13384c987dc40f2

  • SHA256

    873d3afd12e797ddb28b823aa904b7a693d7311b5c87fce810c8e398f201dd4f

  • SHA512

    de8a2bd451ab92883529d6507709074253d775f8a2202489bb9b067444a4b0692dd180b9e7263d387120e74f04459d4bdbbd52a212ee96178028c1f676f49d4c

  • SSDEEP

    6144:HAMKPV8hk/Bdzr+Gz675+bgFRy621A+52TLF5A:H2CkDr+z7g0FG+5L3A

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in System32 directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bf939451e5073fa9c6c58d427061aad6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bf939451e5073fa9c6c58d427061aad6_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2644
    • C:\Users\Admin\AppData\Local\Temp\file1.exe
      C:\Users\Admin\AppData\Local\Temp\\file1.exe
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2680
      • C:\Windows\SysWOW64\regsvr32.exe
        regsvr32.exe /s "C:\Windows\system32\mswinsck.ocx"
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        PID:2916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\file1.exe

    Filesize

    160KB

    MD5

    2f95b80ffcc4f511e032e5b100dc958d

    SHA1

    0d6130c7a21f3fa3af18e2c128e9d171feaa886d

    SHA256

    33bc2563bcb51403a3d21ac2c2c43727b8d537686e3755a44a861d642e76552e

    SHA512

    e246022407f9420881256bf67e0109481823bd574a25c5b7155c0c0c3d101cf69fb31a6a67056dc3a108cb7a09372a05886b01b2e3936ccc9d1fe86bd1196a5d

  • C:\Windows\SysWOW64\mswinsck.ocx

    Filesize

    105KB

    MD5

    9484c04258830aa3c2f2a70eb041414c

    SHA1

    b242a4fb0e9dcf14cb51dc36027baff9a79cb823

    SHA256

    bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

    SHA512

    9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

  • memory/2644-0-0x000007FEF617E000-0x000007FEF617F000-memory.dmp

    Filesize

    4KB

  • memory/2644-1-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2644-2-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2644-3-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB

  • memory/2644-16-0x000007FEF617E000-0x000007FEF617F000-memory.dmp

    Filesize

    4KB

  • memory/2644-17-0x000007FEF5EC0000-0x000007FEF685D000-memory.dmp

    Filesize

    9.6MB