Analysis

  • max time kernel
    144s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 08:23

General

  • Target

    a004839511354a4e63abacf4152573ac_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    a004839511354a4e63abacf4152573ac

  • SHA1

    55f3910e40e28f8342ad1302cf2e8a07d3dc4e11

  • SHA256

    12f20f6a57cc16b2dadc3d8ffde6ea49afed9f74fa1d5c47c82807612cf60c40

  • SHA512

    bc36c2fa07cd2e1cb06af81ef6c9049ee88ddd2dcaaa962d56aa73c7d925593bd5ce73f0d88225c820f9277b76fa33d3c2a096039ceef3daee0eaf20f184dca7

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6E:qJ7Uzj4yUo7Fdle8WIbCL6E

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\a004839511354a4e63abacf4152573ac_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a004839511354a4e63abacf4152573ac_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:488
    • C:\Users\Admin\AppData\Local\Temp\n3170\s3170.exe
      "C:\Users\Admin\AppData\Local\Temp\n3170\s3170.exe" 2a72c6e377c2aea6bbd00cb2TQE3e8Ie2sOIG1HDp5Y2D9BoQojZ8C0fb/sGld5BxFdSoOaaQtphvKWsvj/MEq7t0lHi8lvrlIoWeIea8tp4qcqFrG5EkfOZmXnSagQePx/JnwUWHSnYGCDECYqMfMUiF7oSB5sjATSBInZ6CCIuKTUTI+CvRPOccOVfG+g= /v "C:\Users\Admin\AppData\Local\Temp\a004839511354a4e63abacf4152573ac_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:1304

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n3170\s3170.exe

    Filesize

    350KB

    MD5

    fa6ed0f7848455d3f0929a2954f39c47

    SHA1

    41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

    SHA256

    f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

    SHA512

    463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

  • memory/1304-12-0x00007FFA541A5000-0x00007FFA541A6000-memory.dmp

    Filesize

    4KB

  • memory/1304-13-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-14-0x0000000001850000-0x0000000001860000-memory.dmp

    Filesize

    64KB

  • memory/1304-17-0x000000001C860000-0x000000001CD2E000-memory.dmp

    Filesize

    4.8MB

  • memory/1304-18-0x000000001C1F0000-0x000000001C28C000-memory.dmp

    Filesize

    624KB

  • memory/1304-19-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-20-0x000000001CD30000-0x000000001CD92000-memory.dmp

    Filesize

    392KB

  • memory/1304-21-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-22-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-23-0x000000001B860000-0x000000001B868000-memory.dmp

    Filesize

    32KB

  • memory/1304-24-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-25-0x00007FFA541A5000-0x00007FFA541A6000-memory.dmp

    Filesize

    4KB

  • memory/1304-26-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-27-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-28-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-29-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-30-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB

  • memory/1304-31-0x0000000020A80000-0x0000000020F8E000-memory.dmp

    Filesize

    5.1MB

  • memory/1304-33-0x00007FFA53EF0000-0x00007FFA54891000-memory.dmp

    Filesize

    9.6MB