Analysis

  • max time kernel
    137s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/05/2024, 03:09

General

  • Target

    15b691e196159dd0b9c830e4bce9c364_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    15b691e196159dd0b9c830e4bce9c364

  • SHA1

    0116ff806e235af85e2c0ee7ef93a4a1fc78ddc3

  • SHA256

    e539c5e2c33e7b1107a5bc65fdf01fefe63a0954ce80da527c3713454ee31c90

  • SHA512

    e2cfd903d1ebb2a1bd4cd1e793f2db54900b1411617b253e76b4e202efa1c38c8a049cf49b4871850b971bb94ea5e84d82446f14715c3261cf4ca7ce5d1a9a18

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL69:qJ7Uzj4yUo7Fdle8WIbCL69

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\15b691e196159dd0b9c830e4bce9c364_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\15b691e196159dd0b9c830e4bce9c364_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:4528
    • C:\Users\Admin\AppData\Local\Temp\n1641\s1641.exe
      "C:\Users\Admin\AppData\Local\Temp\n1641\s1641.exe" 49219fa64638d5612216baccYBoH/5HoUNZ1Q5gAr6GFTcS//X5HYCnKeot5H9NAZ7doHmRPswQIYKfPa04efgK2rwL85uWM3+qpZrT+HErrxnRKujxOtoRU/CO1fLYnpImCz64zwDc+wX29h3p3UQ/sOj2tk/B1lGNjT3ptlDJ9wgzNjcXuy/xVX/+ENbI= /v "C:\Users\Admin\AppData\Local\Temp\15b691e196159dd0b9c830e4bce9c364_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:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1641\s1641.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/1684-12-0x00007FFFD9055000-0x00007FFFD9056000-memory.dmp

    Filesize

    4KB

  • memory/1684-13-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-29-0x0000000000EB0000-0x0000000000EC0000-memory.dmp

    Filesize

    64KB

  • memory/1684-32-0x000000001C190000-0x000000001C65E000-memory.dmp

    Filesize

    4.8MB

  • memory/1684-33-0x000000001C700000-0x000000001C79C000-memory.dmp

    Filesize

    624KB

  • memory/1684-34-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-35-0x000000001C8D0000-0x000000001C932000-memory.dmp

    Filesize

    392KB

  • memory/1684-36-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-37-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-38-0x0000000000ED0000-0x0000000000ED8000-memory.dmp

    Filesize

    32KB

  • memory/1684-39-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-40-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-41-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-42-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-43-0x000000001E220000-0x000000001E35C000-memory.dmp

    Filesize

    1.2MB

  • memory/1684-44-0x0000000020520000-0x0000000020A2E000-memory.dmp

    Filesize

    5.1MB

  • memory/1684-45-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-46-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-47-0x00007FFFD9055000-0x00007FFFD9056000-memory.dmp

    Filesize

    4KB

  • memory/1684-48-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-49-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB

  • memory/1684-51-0x00007FFFD8DA0000-0x00007FFFD9741000-memory.dmp

    Filesize

    9.6MB