Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-05-2024 22:38

General

  • Target

    61293e7f4c21c2c160bafb83128ee5a8_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    61293e7f4c21c2c160bafb83128ee5a8

  • SHA1

    00333c6c852bf7684066eabecbaf918d7d223216

  • SHA256

    23159377056a870981d8a9047bf2e51eab60c9d1a61e82816bba19d617cf2f66

  • SHA512

    35a1ee34f9095860bc2c0b0362fe8b9e622b904c29ebf395980761fdc4a609e404248ecf7125a90b2b1744ff8a74877fc5436a22c43436b401f66b2364b38ec3

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6y:qJ7Uzj4yUo7Fdle8WIbCL6y

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61293e7f4c21c2c160bafb83128ee5a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\61293e7f4c21c2c160bafb83128ee5a8_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:3576
    • C:\Users\Admin\AppData\Local\Temp\n5517\s5517.exe
      "C:\Users\Admin\AppData\Local\Temp\n5517\s5517.exe" e33d6dd14353f1edbbe97b36PflhaxIeVnF5Fmrf6T10vFOkroy1wtpLJwfFdn0IS/yJuWNmKceem1HHCOCQOaXEXhRNNGO1arTVq/uOa56pj5qoaDmYZgV7K1jBdzze2SgUwN+ZQig+XQXwrgbOB8bexsQ7xmdX6R9s+cDg0IgbKmVzD9y2lLqkU3fBjSM= /v "C:\Users\Admin\AppData\Local\Temp\61293e7f4c21c2c160bafb83128ee5a8_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
      PID:3928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n5517\s5517.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/3928-12-0x00007FF9A4A45000-0x00007FF9A4A46000-memory.dmp

    Filesize

    4KB

  • memory/3928-13-0x00007FF9A4790000-0x00007FF9A5131000-memory.dmp

    Filesize

    9.6MB

  • memory/3928-27-0x000000001B910000-0x000000001B920000-memory.dmp

    Filesize

    64KB

  • memory/3928-30-0x000000001C040000-0x000000001C50E000-memory.dmp

    Filesize

    4.8MB

  • memory/3928-31-0x000000001C5B0000-0x000000001C64C000-memory.dmp

    Filesize

    624KB

  • memory/3928-32-0x00007FF9A4790000-0x00007FF9A5131000-memory.dmp

    Filesize

    9.6MB

  • memory/3928-33-0x000000001C7A0000-0x000000001C802000-memory.dmp

    Filesize

    392KB

  • memory/3928-34-0x00007FF9A4790000-0x00007FF9A5131000-memory.dmp

    Filesize

    9.6MB

  • memory/3928-35-0x00007FF9A4790000-0x00007FF9A5131000-memory.dmp

    Filesize

    9.6MB

  • memory/3928-36-0x0000000020EA0000-0x00000000213AE000-memory.dmp

    Filesize

    5.1MB

  • memory/3928-38-0x00007FF9A4790000-0x00007FF9A5131000-memory.dmp

    Filesize

    9.6MB