Analysis

  • max time kernel
    125s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 18:17

General

  • Target

    0f0f48a3fa93032f4863bbb949cf6a3a_JaffaCakes118.exe

  • Size

    29KB

  • MD5

    0f0f48a3fa93032f4863bbb949cf6a3a

  • SHA1

    ac5519c0f2a30385bf38a178cef945774b70a494

  • SHA256

    b2002d35d1639cc0a302993105471bd7e27358c40524deadb8b0c3e43bb867fc

  • SHA512

    2bc56e29ebf449db8b306b0222327362619e15620d743fc9b0e145f692da01deef9ccb7ec8db752918c424bfaa751b5770fb45e2ce69e5885d4662d488eefbe2

  • SSDEEP

    768:E01ZlThFwBnTig6zKGVWaCh82pVy1sA0fHTlsEc:E01ZlTjwBTinzKGzCGNh0vpsz

Score
7/10
upx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f0f48a3fa93032f4863bbb949cf6a3a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0f0f48a3fa93032f4863bbb949cf6a3a_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3148
    • C:\Users\Admin\AppData\Local\Temp\0f0f48a3fa93032f4863bbb949cf6a3a_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\0f0f48a3fa93032f4863bbb949cf6a3a_JaffaCakes118.exe" y
      2⤵
      • Drops file in System32 directory
      PID:2888
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2888 -s 404
        3⤵
        • Program crash
        PID:1964
  • 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=4340,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3820 /prefetch:8
    1⤵
      PID:3932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2888 -ip 2888
      1⤵
        PID:3504

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2888-3-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/2888-4-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/2888-7-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3148-0-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB

      • memory/3148-2-0x0000000000400000-0x000000000040E000-memory.dmp

        Filesize

        56KB