Analysis

  • max time kernel
    149s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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 1 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 3 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:4316
    • C:\Windows\SysWOW64\RunDll32.exe
      RunDll32.exe "C:\Windows\system32\edgdef.dll",DNSetup
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies WinLogon
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:1296
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3896,i,13640054265074968359,8146127767143474550,262144 --variations-seed-version --mojo-platform-channel-handle=3924 /prefetch:8
    1⤵
      PID:2200

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Windows\SysWOW64\edgdef.dll

      Filesize

      18KB

      MD5

      efed4bea1a76f06db94b6e468bea8cbc

      SHA1

      4d1f2988d4e172ef4a9e24cc62cbc7b3f4e64963

      SHA256

      b4a4170f46e2544ac2a8d56112cf36d8996a3bc45c7e82ff716d092fe3c2b03a

      SHA512

      0f3a3c34f5484673144bc79881914a1dfb01133e552454513768403d6cd1151fcd2830f15bb12e1f57fe1b772f1c01e4f4cd497a345774cfbe2b43ffc4ca1de2

    • memory/1296-3-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB

    • memory/1296-4-0x0000000010000000-0x000000001001A000-memory.dmp

      Filesize

      104KB