Analysis

  • max time kernel
    135s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-06-2024 06:23

General

  • Target

    0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll

  • Size

    176KB

  • MD5

    0399e051bbfcc886126f8f647d3e67e6

  • SHA1

    b4993d48e48a76e567e0aa56aef5e30896e0450a

  • SHA256

    365de842bc01a2a9525a70f52522c13bbcc6a681dfd93f9cae27c81318aeb9b5

  • SHA512

    e51a0c632ea26fce4055593c5692a5f2145a53f6fb2b821034025de21322e65d83dcf69f34fbcc760516f89908e3536bd635b4a21e300ded7704121fd9c7e8ba

  • SSDEEP

    3072:/Ee6w67PgG0YeddfeGeVuNb5iwglC+vtnirF/3a66MsoWSIx:MKECrfe7cN1z+vtnix/KSY

Score
6/10

Malware Config

Signatures

  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Modifies registry class 47 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4056
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\0399e051bbfcc886126f8f647d3e67e6_JaffaCakes118.dll
      2⤵
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      PID:2548
  • 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 --field-trial-handle=1276,i,7977653611488681184,6839495125838449898,262144 --variations-seed-version --mojo-platform-channel-handle=4384 /prefetch:8
    1⤵
      PID:3668

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2548-0-0x0000000010000000-0x0000000010022000-memory.dmp

      Filesize

      136KB