Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240319-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240319-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04/04/2024, 13:36

General

  • Target

    b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe

  • Size

    473KB

  • MD5

    b9ae27830417093159a1543a15b24a31

  • SHA1

    f16eaad9998f3c26993da17334f029ee520a6075

  • SHA256

    71139bc58c5e0e4fdec43b6f1952ec8262dc01b7617f6656f098c099cff66b86

  • SHA512

    c6d02ca7a57fd4fccef2888368871494dca2d81195fa2ddf472f3cc1e00259f854d84b49863ab3975bc9c507c4b890a4108918a3f2f638267a5a4f2c3cb2803b

  • SSDEEP

    12288:TNodBiTI+Tp1A6EZO7KUQRZ66z24VZbdrpgrXN2LWzmidN:ZoPD+Tp13vKU6Z66z24VZbFpgJ2LWzm+

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 12 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b9ae27830417093159a1543a15b24a31_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1084
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Windows\bugMAKER.bat
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      PID:372
  • 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 --mojo-platform-channel-handle=4072 --field-trial-handle=2260,i,4762972005863767630,9297428255150568035,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1436

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\bugMAKER.bat

            Filesize

            90B

            MD5

            08f0c10a45d849d6ce8954108542fd7b

            SHA1

            a0868f9d5c75dd8ec03799079dc75fab618c8507

            SHA256

            c6b339069488ebf9f900900f62c17afcfeb3a8fee0a45e61bf000dbdee9a6ac8

            SHA512

            a2974a430d945f5d8cac5d46d42ab5502a7823327425efe9673aa2d1056c059d7625e89f4aace9f231579d999d8b2e0d190ee22d72c16914f1072a395c851fa7

          • memory/1084-24-0x0000000000400000-0x000000000042D000-memory.dmp

            Filesize

            180KB