Analysis

  • max time kernel
    148s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 12:47

General

  • Target

    17bc6b2e8fa163cb9ca87c05f1246823_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    17bc6b2e8fa163cb9ca87c05f1246823

  • SHA1

    e4bcf26f35ba0427ba15a1ab9294f72f9d84f793

  • SHA256

    06e1c2756b90f0495fe77b6263a59f0dcbe46900075e97b5be9ba49331f60766

  • SHA512

    de91fd5a3d6b5606caadaef5d1f57b8519dcd3b131c23da87acbf9a6b2945d1256d77c50f0b8bfa73e9f49109d379b85752535c38e1db7b1a076d0bdbaadb31c

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6I:qJ7Uzj4yUo7Fdle8WIbCL6I

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\17bc6b2e8fa163cb9ca87c05f1246823_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\17bc6b2e8fa163cb9ca87c05f1246823_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:392
    • C:\Users\Admin\AppData\Local\Temp\n2836\s2836.exe
      "C:\Users\Admin\AppData\Local\Temp\n2836\s2836.exe" 09f3f4d85b7d836002b6e4ceJ9ntW1dD28hry6lWTA5dbVvkEwDpdlqu6AkMg9FtOQUA0yG9+H+IgrnV8GdR+oyQfttRyRVhogJklR2ZLYChlC2yNs+wyRpwuhkhCADW09JeAMZMUYBYbAln7A5xRuyi/ZMQZ/AyfgRQbJXIRLbmXy+vltahDdKp4k4jANo= /v "C:\Users\Admin\AppData\Local\Temp\17bc6b2e8fa163cb9ca87c05f1246823_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2836\s2836.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/2612-12-0x00007FFF363A5000-0x00007FFF363A6000-memory.dmp

    Filesize

    4KB

  • memory/2612-13-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-29-0x000000001B9A0000-0x000000001B9B0000-memory.dmp

    Filesize

    64KB

  • memory/2612-32-0x000000001C3D0000-0x000000001C89E000-memory.dmp

    Filesize

    4.8MB

  • memory/2612-33-0x000000001C940000-0x000000001C9DC000-memory.dmp

    Filesize

    624KB

  • memory/2612-34-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-35-0x000000001CB30000-0x000000001CB92000-memory.dmp

    Filesize

    392KB

  • memory/2612-36-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-37-0x000000001B9C0000-0x000000001B9C8000-memory.dmp

    Filesize

    32KB

  • memory/2612-38-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-39-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-40-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-41-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-42-0x000000001E200000-0x000000001E33C000-memory.dmp

    Filesize

    1.2MB

  • memory/2612-43-0x0000000020790000-0x0000000020C9E000-memory.dmp

    Filesize

    5.1MB

  • memory/2612-44-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-45-0x00007FFF363A5000-0x00007FFF363A6000-memory.dmp

    Filesize

    4KB

  • memory/2612-46-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-47-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB

  • memory/2612-49-0x00007FFF360F0000-0x00007FFF36A91000-memory.dmp

    Filesize

    9.6MB