Analysis

  • max time kernel
    149s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    22-06-2024 12:43

General

  • Target

    022bcc1c38771540622cb928cd602e38_JaffaCakes118.exe

  • Size

    25KB

  • MD5

    022bcc1c38771540622cb928cd602e38

  • SHA1

    16eede566a0c854840f4a7a6d1ddd9d951131b43

  • SHA256

    122b0c5761c76830ea1cc58e97ecdb1e91c23a428a6de3b827b1edc98e4b1da6

  • SHA512

    a9c3cf41b321ffd5a327d6c9c68f5428ac404965a70fd77b0fe405c70f22886d1d5ad368ae40418e5047ffcd315490bc5f00118783778cca8d586c2d928c283a

  • SSDEEP

    384:wuPv8Ci8igpfAPEAGcvglJDkl4zg311pTQH4CtYoKXVhxACnb+/Zjz:5npsycvglJDQLFEY2eXV10Zjz

Malware Config

Signatures

  • Loads dropped DLL 4 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 7 IoCs
  • Drops file in System32 directory 1 IoCs
  • Modifies registry class 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\022bcc1c38771540622cb928cd602e38_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\022bcc1c38771540622cb928cd602e38_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Windows\SysWOW64\RunDll32.exe
      RunDll32.exe "C:\Windows\system32\expUSA.dll",DNSetup
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies WinLogon
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:2868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Windows\SysWOW64\expUSA.dll

    Filesize

    18KB

    MD5

    efed4bea1a76f06db94b6e468bea8cbc

    SHA1

    4d1f2988d4e172ef4a9e24cc62cbc7b3f4e64963

    SHA256

    b4a4170f46e2544ac2a8d56112cf36d8996a3bc45c7e82ff716d092fe3c2b03a

    SHA512

    0f3a3c34f5484673144bc79881914a1dfb01133e552454513768403d6cd1151fcd2830f15bb12e1f57fe1b772f1c01e4f4cd497a345774cfbe2b43ffc4ca1de2

  • memory/2868-8-0x0000000010000000-0x000000001001A000-memory.dmp

    Filesize

    104KB

  • memory/2868-9-0x0000000010011000-0x0000000010012000-memory.dmp

    Filesize

    4KB

  • memory/2868-7-0x0000000010000000-0x000000001001A000-memory.dmp

    Filesize

    104KB

  • memory/2868-6-0x0000000010000000-0x000000001001A000-memory.dmp

    Filesize

    104KB

  • memory/2868-10-0x0000000010000000-0x000000001001A000-memory.dmp

    Filesize

    104KB