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Analysis

  • max time kernel
    148s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/06/2024, 01:47

General

  • Target

    99bf8453adc7b7cc7ddc8e32927343b7_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    99bf8453adc7b7cc7ddc8e32927343b7

  • SHA1

    54a0bb82d314f872fd5c7207a2c47e00918c4a6d

  • SHA256

    14cd9fe1746ede07281daafe6964964bc78c7eecf9a8755e15ace9cedbd281b9

  • SHA512

    2bdebfa2b0109490f4d433fd2ad51682eabd687c7db83d3918b857143d4668b593648fdcb3361947067038ba2a4fd21b27f66e3f6f7fd45891dbeccce50ef6c4

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6d:qJ7Uzj4yUo7Fdle8WIbCL6d

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\99bf8453adc7b7cc7ddc8e32927343b7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\99bf8453adc7b7cc7ddc8e32927343b7_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:3964
    • C:\Users\Admin\AppData\Local\Temp\n2188\s2188.exe
      "C:\Users\Admin\AppData\Local\Temp\n2188\s2188.exe" 7eea3ee6986bca6841508e89D36/RS39/91Qk2cQiaRweq8WvoqbjPv9dZbGKYEfpOtJNEYicM4F6nDxF23ecT3Cnknpc6VvsMNCL8J67So4brwJitIKt8uxCzz4haThNQXponockQxnM86kVK+epoChl06LBiWVIjO51eI6qwhMo3vWbmxgsceKqnKvF+Q= /v "C:\Users\Admin\AppData\Local\Temp\99bf8453adc7b7cc7ddc8e32927343b7_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:4332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n2188\s2188.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/4332-12-0x00007FF801485000-0x00007FF801486000-memory.dmp

    Filesize

    4KB

  • memory/4332-13-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-28-0x000000001B2A0000-0x000000001B2B0000-memory.dmp

    Filesize

    64KB

  • memory/4332-31-0x000000001C130000-0x000000001C5FE000-memory.dmp

    Filesize

    4.8MB

  • memory/4332-32-0x000000001C6A0000-0x000000001C73C000-memory.dmp

    Filesize

    624KB

  • memory/4332-33-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-34-0x000000001C840000-0x000000001C8A2000-memory.dmp

    Filesize

    392KB

  • memory/4332-35-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-36-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-37-0x000000001B2D0000-0x000000001B2D8000-memory.dmp

    Filesize

    32KB

  • memory/4332-38-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-39-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-40-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-41-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-42-0x000000001E1D0000-0x000000001E30C000-memory.dmp

    Filesize

    1.2MB

  • memory/4332-43-0x0000000020390000-0x000000002089E000-memory.dmp

    Filesize

    5.1MB

  • memory/4332-44-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-45-0x00007FF801485000-0x00007FF801486000-memory.dmp

    Filesize

    4KB

  • memory/4332-46-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-47-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB

  • memory/4332-49-0x00007FF8011D0000-0x00007FF801B71000-memory.dmp

    Filesize

    9.6MB