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Analysis

  • max time kernel
    143s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/04/2024, 15:41

General

  • Target

    fd19924e413c2341dfdb86f0707426b4_JaffaCakes118.exe

  • Size

    134KB

  • MD5

    fd19924e413c2341dfdb86f0707426b4

  • SHA1

    5602bfbf6f3da66b81d6069452c81ff61afe5295

  • SHA256

    ecf26d9168607c18021924a8190967eae9232ec1f17f614978cd283fae5e9bec

  • SHA512

    265ee11e5ff42333fec240cd92cf451ca87dd2558a6307f10b90cacdaaea3eb61a18e522bce784bd9a4492c4e5af7d04d7405fa7fcc33c7874bc0628be58c3e7

  • SSDEEP

    3072:/nOn7t7XpdpCCTg/sxFgJMeq8KRoCGmum8IN9PKBVfrJ:/KpdcCrTv8KXGhc9y7f9

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd19924e413c2341dfdb86f0707426b4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd19924e413c2341dfdb86f0707426b4_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4744
    • C:\Users\Admin\AppData\Local\Temp\nshFD6D.tmp\downloadmr.exe
      C:\Users\Admin\AppData\Local\Temp\nshFD6D.tmp\downloadmr.exe /e9984 /u4d488269-6268-4c29-b4c2-79305bc06ebe
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of SetWindowsHookEx
      PID:2492
  • 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=3992 --field-trial-handle=2276,i,5697607538120380977,9987005253899555344,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nshFD6D.tmp\System.dll

      Filesize

      21KB

      MD5

      5ebc73650256e9c8ddbcda231db829a1

      SHA1

      988d4535e18754ab2a6248abae96c5697d7dbcd5

      SHA256

      1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

      SHA512

      b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

    • C:\Users\Admin\AppData\Local\Temp\nshFD6D.tmp\downloadmr.exe

      Filesize

      135KB

      MD5

      fb753ca8f8abe185c761c5a729552f05

      SHA1

      d87aeac1b5c45792997dd6da20687c2a60072665

      SHA256

      d9b21b59169dc040c604bf10bf53521633fbe54911a32ae9ea78136297f3c454

      SHA512

      271be08c81bc23ecf3ab0c6355f7c171cbd227b773b1cde3ff6389ea01246952bee4d8c213f4e2428ff6f62510dfbe609c66f079e0d4b03c148894989061ac15

    • memory/2492-41-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2492-45-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

      Filesize

      64KB

    • memory/2492-15-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

      Filesize

      64KB

    • memory/2492-50-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2492-46-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

      Filesize

      64KB

    • memory/2492-38-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2492-13-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/2492-42-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

      Filesize

      64KB

    • memory/2492-43-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

      Filesize

      64KB

    • memory/2492-44-0x0000000000EE0000-0x0000000000EF0000-memory.dmp

      Filesize

      64KB

    • memory/2492-14-0x0000000074980000-0x0000000074F31000-memory.dmp

      Filesize

      5.7MB

    • memory/4744-17-0x000000006E3C0000-0x000000006E3CD000-memory.dmp

      Filesize

      52KB

    • memory/4744-16-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB

    • memory/4744-54-0x0000000000400000-0x000000000043D000-memory.dmp

      Filesize

      244KB