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Analysis

  • max time kernel
    150s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/06/2024, 09:13

General

  • Target

    19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe

  • Size

    26KB

  • MD5

    19941092c00fe2083d3615e6b248188b

  • SHA1

    b026ac662b6e564a802f4b5b4e77271b6e892d56

  • SHA256

    8586dd4c94fa9f5c113c11c12c289321a3f9bdff99ab09132343155b637140db

  • SHA512

    be9f5d86ac1c3a887d10333ae0f7506be4b32c8ce4dd0f82286faed553aa6e27accac2c0158b27cbf88b359c3477ea555d52deab26b527a23f0c3d67f329cd63

  • SSDEEP

    384:5VgAFfec5YzWUIN5JJO7ocuDg+nUHJg0tx0/PUxS20:QMWqYzpITPAKuHJg070Ux

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\19941092c00fe2083d3615e6b248188b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:300
    • C:\Users\Admin\winlogon.exe
      "C:\Users\Admin\winlogon.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3544
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
        • Adds Run key to start application
        • Suspicious use of SetWindowsHookEx
        PID:4880
  • 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=3924,i,10925946972013221578,8820669985803190952,262144 --variations-seed-version --mojo-platform-channel-handle=4256 /prefetch:8
    1⤵
      PID:1592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\winlogon.exe

      Filesize

      26KB

      MD5

      19941092c00fe2083d3615e6b248188b

      SHA1

      b026ac662b6e564a802f4b5b4e77271b6e892d56

      SHA256

      8586dd4c94fa9f5c113c11c12c289321a3f9bdff99ab09132343155b637140db

      SHA512

      be9f5d86ac1c3a887d10333ae0f7506be4b32c8ce4dd0f82286faed553aa6e27accac2c0158b27cbf88b359c3477ea555d52deab26b527a23f0c3d67f329cd63

    • memory/4880-23-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4880-25-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4880-26-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB

    • memory/4880-29-0x0000000000400000-0x000000000040B000-memory.dmp

      Filesize

      44KB