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Analysis

  • max time kernel
    137s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/05/2024, 01:18

General

  • Target

    6195430e82e768a5c90da1cf6814ca32_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    6195430e82e768a5c90da1cf6814ca32

  • SHA1

    3c88dff74cce0b94f4ae5cafa437a9c5b8a8c3ac

  • SHA256

    204201b2b5f97c521ac9321761b8f6170912f0387af604bcf70003ca8692aecb

  • SHA512

    089fd8b305d271b44f84032a1f2fd1c68e7c970b864a798a484e7a51079b6ba974d6efa823295c3c14bb777ffa77cba6b40cbb500ae5ae1fd4fff79e4dec205c

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6A:qJ7Uzj4yUo7Fdle8WIbCL6A

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 3 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\6195430e82e768a5c90da1cf6814ca32_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6195430e82e768a5c90da1cf6814ca32_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:1012
    • C:\Users\Admin\AppData\Local\Temp\n4092\s4092.exe
      "C:\Users\Admin\AppData\Local\Temp\n4092\s4092.exe" a106ce5f0e1eb9f7c9a6443bqofSfpQ7BHvJ3phJ8LRGBKyTb1npnG0xsVy+0Ra5QofTR4fcrc5I/6+6c+HUIstbImhZOm/GFn/L8JPe5Pan1lLjL0u0gvKTFaOGZGaCOuSIO8nYBOAQ3XxFdkHb54jFj29WTybbNjJbAyT8iKBRgVXQfC6DUnmoW/2I/nU= /v "C:\Users\Admin\AppData\Local\Temp\6195430e82e768a5c90da1cf6814ca32_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:700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n4092\s4092.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/700-12-0x00007FFB479E5000-0x00007FFB479E6000-memory.dmp

    Filesize

    4KB

  • memory/700-13-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-29-0x000000001B7B0000-0x000000001B7C0000-memory.dmp

    Filesize

    64KB

  • memory/700-32-0x000000001C1E0000-0x000000001C6AE000-memory.dmp

    Filesize

    4.8MB

  • memory/700-33-0x000000001C750000-0x000000001C7EC000-memory.dmp

    Filesize

    624KB

  • memory/700-34-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-35-0x000000001C940000-0x000000001C9A2000-memory.dmp

    Filesize

    392KB

  • memory/700-36-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-37-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-38-0x000000001B7D0000-0x000000001B7D8000-memory.dmp

    Filesize

    32KB

  • memory/700-39-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-40-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-41-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-42-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-43-0x000000001E050000-0x000000001E18C000-memory.dmp

    Filesize

    1.2MB

  • memory/700-44-0x0000000020590000-0x0000000020A9E000-memory.dmp

    Filesize

    5.1MB

  • memory/700-45-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-46-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-47-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB

  • memory/700-49-0x00007FFB47730000-0x00007FFB480D1000-memory.dmp

    Filesize

    9.6MB