Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-05-2024 01:20

General

  • Target

    657f943e0f67679e3ba147ad65c4003f_JaffaCakes118.exe

  • Size

    675KB

  • MD5

    657f943e0f67679e3ba147ad65c4003f

  • SHA1

    5e74833399b7121e29ee0e6da23f40010a03c8be

  • SHA256

    153f6e9edef4ee0ca47edaeb77040452e741e1b318001bb9b9e240279af623aa

  • SHA512

    df027c1326a1f001f1c5e60935de329bfb0885a80185697056bf87bb6b1af2e5c415ec8adc16a7e64b9ca6e9cf0269ad8f797f8088c742cc870101ead337346b

  • SSDEEP

    12288:ijTPlGaJY8jGOIf0B4wGPWlnTXSIYWkGiIM6P4IuViSZp+o+GI3TTulejKV3fo:QTPlGoyf0B4Z+dTixJIMV/+9TTu4uV3g

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\657f943e0f67679e3ba147ad65c4003f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\657f943e0f67679e3ba147ad65c4003f_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:4632
    • C:\Users\Admin\AppData\Local\Temp\n1587\s1587.exe
      "C:\Users\Admin\AppData\Local\Temp\n1587\s1587.exe" 59bb13f9164c00b33bfaaf5aZgZ94wcXICAW4XEZ1PebN+EEUcttGLfp7QAMXdDs4RIupkomHY/PMDenNsnzsiBawycqgKdOjC4ywvLijezSsrAU7kjUI0XztDMCBhrwdCIKXxQRsH0f29gKdIg5cH+7YRh8Qa9USOaYUhKTvut/ffsDx07kF7CHfyf8mvZU /v "C:\Users\Admin\AppData\Local\Temp\657f943e0f67679e3ba147ad65c4003f_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:3764

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1587\s1587.exe

    Filesize

    350KB

    MD5

    da834fff62c4d3e86baa52714cf2d635

    SHA1

    4b35992bbd61e75791ec55bf3b47921be26b3031

    SHA256

    6079e9ad58853c80733363903df046a8008bc8b972b1c52c7eff99b5ed6ad681

    SHA512

    1227d5300237915a4382576fb19bc9ceb304a7ab8455d850154e6b7b8a92356a107a39180f866ad617da9a90745224ae6a8d1f602992c59353d2ad2c267c6526

  • memory/3764-12-0x00007FFECBC05000-0x00007FFECBC06000-memory.dmp

    Filesize

    4KB

  • memory/3764-13-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-20-0x000000001B710000-0x000000001B720000-memory.dmp

    Filesize

    64KB

  • memory/3764-23-0x000000001C540000-0x000000001CA0E000-memory.dmp

    Filesize

    4.8MB

  • memory/3764-24-0x000000001BF20000-0x000000001BFBC000-memory.dmp

    Filesize

    624KB

  • memory/3764-25-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-26-0x000000001CCF0000-0x000000001CD52000-memory.dmp

    Filesize

    392KB

  • memory/3764-27-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-28-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-29-0x000000001B750000-0x000000001B758000-memory.dmp

    Filesize

    32KB

  • memory/3764-30-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-31-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-32-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-33-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-34-0x000000001E720000-0x000000001E85C000-memory.dmp

    Filesize

    1.2MB

  • memory/3764-35-0x0000000020A20000-0x0000000020F2E000-memory.dmp

    Filesize

    5.1MB

  • memory/3764-36-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-37-0x00007FFECBC05000-0x00007FFECBC06000-memory.dmp

    Filesize

    4KB

  • memory/3764-38-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB

  • memory/3764-40-0x00007FFECB950000-0x00007FFECC2F1000-memory.dmp

    Filesize

    9.6MB