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Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 18:22

General

  • Target

    e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe

  • Size

    390KB

  • MD5

    e591064f195d9756a35a67d5529d6cfa

  • SHA1

    ad11ec1b931a7e3db5f1ac7ad881978744742c96

  • SHA256

    7345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98

  • SHA512

    ca24b5810a0faa014d6b1a593800ffd269c176fa1805ed8b2e6d2e78c185875d2057e65cda331186daf1e931dbc2dd73c4c119c8b729cef50de55af2146dbfeb

  • SSDEEP

    12288:uHznp/wWk/ufkK5UcHGmeIUvnurqrhFtF8+7w4:uHV/wDuDmcHLB8u2hPF7U4

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e591064f195d9756a35a67d5529d6cfa_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3236
    • C:\windows\addins\stikm.exe
      "C:\windows\addins\stikm.exe" /i
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetWindowsHookEx
      PID:4468

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\addins\stikm.exe

    Filesize

    390KB

    MD5

    e591064f195d9756a35a67d5529d6cfa

    SHA1

    ad11ec1b931a7e3db5f1ac7ad881978744742c96

    SHA256

    7345d664d50ddde1e5adacf8af60ce657f87a83cd09b7a625834a2284ebf2b98

    SHA512

    ca24b5810a0faa014d6b1a593800ffd269c176fa1805ed8b2e6d2e78c185875d2057e65cda331186daf1e931dbc2dd73c4c119c8b729cef50de55af2146dbfeb

  • C:\Windows\b6abda35.log

    Filesize

    96B

    MD5

    f69777e3dc952161f8921a49582d1737

    SHA1

    81ac24c1c4dbee0f9632bfac3752befa7e7034a2

    SHA256

    a7a297f46b1fce942540ed8cb7186312ddf47e8766db317890e82f8451676a03

    SHA512

    7df62f0b6995390a35be4c09a7608b868123575529d7c140a7fafd838983f1c9364705d8fd5fa2777c3282e07ef1c212e711696db1795c15a8fb21ce8e285a98

  • memory/3236-0-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/3236-1-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/3236-4-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/3236-30-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/4468-24-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB

  • memory/4468-25-0x0000000000400000-0x0000000000463000-memory.dmp

    Filesize

    396KB