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Analysis

  • max time kernel
    140s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 19:32

General

  • Target

    3bb5958314bee503ca25c8c4cfd5ce17_JaffaCakes118.exe

  • Size

    116KB

  • MD5

    3bb5958314bee503ca25c8c4cfd5ce17

  • SHA1

    438268c278f28a3113bdd86a3af136ae9ecf4932

  • SHA256

    a720faa43d831e22ee7ae9191354caed61b5966877098e07ad298264cfe411de

  • SHA512

    4b92a4c26acc6a4fe767935cea54c476e07a3c46cb324aa8f942c2fab6437ea9eeec48992e79e0044d60203364ae7de5f5b9f553088c23d822a2a49bf1d1ab19

  • SSDEEP

    3072:mttK4gBpFclyM6VRS1hmniy4JdEbgnwlVrgJjG8AHCPKyKSRmZFq:mttip2eRQhmn+JdEbgLTAiOkQF

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3bb5958314bee503ca25c8c4cfd5ce17_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3bb5958314bee503ca25c8c4cfd5ce17_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:544
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\coremcy.dll",Startup
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3524
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\coremcy.dll",iep
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1712

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\coremcy.dll

    Filesize

    116KB

    MD5

    41622d035020346a2e7b59d10bb18348

    SHA1

    58249c86df7d025128b8558d280d5125b23dc51f

    SHA256

    bb69ac2e8c10a496286984c15bcb030637c6210f8da6f24d5ad711336e66d74f

    SHA512

    5ec04e94ade999019456e0ef231d7dbc8436d18bf601946af09b15621bacf41ccdf0a3df2e8cbdfff833ae229bececb8cff083b8b34b09f71c62add28f9faa8a

  • memory/544-1-0x0000000002500000-0x0000000002510000-memory.dmp

    Filesize

    64KB

  • memory/544-2-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB

  • memory/544-10-0x0000000002500000-0x0000000002510000-memory.dmp

    Filesize

    64KB

  • memory/544-11-0x0000000002500000-0x0000000002510000-memory.dmp

    Filesize

    64KB

  • memory/544-0-0x0000000002500000-0x0000000002510000-memory.dmp

    Filesize

    64KB

  • memory/544-14-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB

  • memory/1712-22-0x0000000002DE0000-0x0000000002DF0000-memory.dmp

    Filesize

    64KB

  • memory/1712-27-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB

  • memory/1712-25-0x0000000002DE0000-0x0000000002DF0000-memory.dmp

    Filesize

    64KB

  • memory/1712-24-0x0000000002DE0000-0x0000000002DF0000-memory.dmp

    Filesize

    64KB

  • memory/1712-21-0x0000000002DE0000-0x0000000002DF0000-memory.dmp

    Filesize

    64KB

  • memory/3524-13-0x0000000002B60000-0x0000000002B70000-memory.dmp

    Filesize

    64KB

  • memory/3524-15-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB

  • memory/3524-12-0x0000000002B60000-0x0000000002B70000-memory.dmp

    Filesize

    64KB

  • memory/3524-20-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB

  • memory/3524-8-0x0000000002B60000-0x0000000002B70000-memory.dmp

    Filesize

    64KB

  • memory/3524-9-0x0000000002B60000-0x0000000002B70000-memory.dmp

    Filesize

    64KB

  • memory/3524-26-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB

  • memory/3524-7-0x0000000010000000-0x000000001001D000-memory.dmp

    Filesize

    116KB