Analysis

  • max time kernel
    150s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    15/01/2025, 16:33

General

  • Target

    JaffaCakes118_5c4bc26caed4fbeca8026e18b58eb0d9.exe

  • Size

    556KB

  • MD5

    5c4bc26caed4fbeca8026e18b58eb0d9

  • SHA1

    b325151aa6e6ba2155c4b81e51fa36aea9e62588

  • SHA256

    6985bcee389298aeeb0fdf6067f48749c309cd97750d41dfb192f4cfbc96b54b

  • SHA512

    992131fa20161a0a22fdc1fb0d7e34fb268aa7aedce9c7e6a2ff5501edea01447ab77b926323733413ad74d133d4d1eee78f4ae2fa4dc404891af2fd749e4c10

  • SSDEEP

    12288:I9cONi+mj169epUzdmpN2aAbFc0G+lZs8EmShYPtZww4M76kSA4drG:YvNi+m1Oz4po5c0G+lefJhY/wW7ZAQ

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Modifies data under HKEY_USERS 18 IoCs
  • Modifies registry class 16 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c4bc26caed4fbeca8026e18b58eb0d9.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_5c4bc26caed4fbeca8026e18b58eb0d9.exe"
    1⤵
    • Loads dropped DLL
    • Installs/modifies Browser Helper Object
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:2812
  • C:\Windows\SysWOW64\dmutil32.exe
    C:\Windows\SysWOW64\dmutil32.exe
    1⤵
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2556
    • C:\ProgramData\api-ms-win-core-localization-l1-2-032.exe
      schutz
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2728

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\ProgramData\api-ms-win-core-localization-l1-2-032.exe

          Filesize

          556KB

          MD5

          5c4bc26caed4fbeca8026e18b58eb0d9

          SHA1

          b325151aa6e6ba2155c4b81e51fa36aea9e62588

          SHA256

          6985bcee389298aeeb0fdf6067f48749c309cd97750d41dfb192f4cfbc96b54b

          SHA512

          992131fa20161a0a22fdc1fb0d7e34fb268aa7aedce9c7e6a2ff5501edea01447ab77b926323733413ad74d133d4d1eee78f4ae2fa4dc404891af2fd749e4c10

        • C:\Windows\SysWOW64\2045796327

          Filesize

          35B

          MD5

          dda01966a5980b296846651a96adaa6f

          SHA1

          8443bdcf0db537846a54f96317a6d1b1fa0917a9

          SHA256

          e7f5aabc475c6736833d079010b0775caa3928d529d5f2a2a3071cf470cffe86

          SHA512

          9b0e685cf3807f0ac4271c53475bd0a8236b3ba630d75788743991db8d29f0daa9c8dc770757f8c9f1431d1f04fb0d367302b75212548443622d2bfca5667816

        • C:\Windows\SysWOW64\2045796327

          Filesize

          91B

          MD5

          ecd882f2dbfd7625915551727ddce092

          SHA1

          ecdbc1cefaaa0f5ef78016c4531b9eb74f195f9c

          SHA256

          dbe196113fe07ebc7650c6b9e57fd7376a286b0137b9dd821ac5c103b6cc04a5

          SHA512

          83b76814cb9a69909449c20c3cd77599a8b75d8203ae85d7534e2675f5b13c09904fd86cdcd6361b8d34ed66eb8ed2f4a2406dfc9412df90a16b4664e1cc7e2e

        • \Windows\SysWOW64\api-ms-win-core-localization-l1-2-032.dll

          Filesize

          349KB

          MD5

          039a15a688868e70e8f524dd085de889

          SHA1

          696707392807a8a12a186eace7f2988fa99d0410

          SHA256

          9df4737585de117e0de9b51cc4c047caf818cd3568c94b87a003a40ad99992fa

          SHA512

          8e6c40cf4241cf66adf0bd0cd5efb8621b92b2c444e3ec20daa02b36268a5aa9a70577ef8d480e3b6fea7b72f9c31657cddf5d4d652bc2403637dbdb9d0decd7

        • memory/2556-41-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2556-24-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2728-44-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2812-5-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2812-6-0x0000000010000000-0x000000001008F000-memory.dmp

          Filesize

          572KB

        • memory/2812-1-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2812-0-0x0000000000489000-0x000000000048C000-memory.dmp

          Filesize

          12KB

        • memory/2812-27-0x0000000000400000-0x0000000000492000-memory.dmp

          Filesize

          584KB

        • memory/2812-28-0x0000000000489000-0x000000000048C000-memory.dmp

          Filesize

          12KB