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Analysis

  • max time kernel
    96s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/04/2024, 08:32

General

  • Target

    04c918a7f968b066e85f7390642a5204_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    04c918a7f968b066e85f7390642a5204

  • SHA1

    5703f4cafbdd729355e053c19ef57ff5dcacd8ef

  • SHA256

    12e1f2962c590d737465a2e6c1213645f598eb587192dbb472352d3e63686197

  • SHA512

    e4604016a52993ac2dc08447affe0b0146795d795b1fe3e4bccaa049fee1a19a3950ee5e5f26eacdb3ec282c7a53fa2e91490b08c90e441ba519d20d7af9637b

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4x:0+h9OY70z+warul3E4x

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\04c918a7f968b066e85f7390642a5204_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\04c918a7f968b066e85f7390642a5204_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:3204
    • C:\Users\Admin\AppData\Local\Temp\n9535\s9535.exe
      "C:\Users\Admin\AppData\Local\Temp\n9535\s9535.exe" 65e03ec56c442a3cb1902e64KuLseITQBQXNJtYMqEM25kZrHBHxIdJiySc3gbpVdWJ7CdBKONfLHRZvY4zhCeKZswMgCfkOhUDCR+xFkN/uEgiC5ghAZu+7cPx8RtTc0Me/gvcRBwd3AZfRz+jkydagUxsniLdPHTN13bEYxfsLXTiB /v "C:\Users\Admin\AppData\Local\Temp\04c918a7f968b066e85f7390642a5204_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:4940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n9535\s9535.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/4940-12-0x00007FFF98920000-0x00007FFF992C1000-memory.dmp

    Filesize

    9.6MB

  • memory/4940-13-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-14-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-15-0x000000001B1D0000-0x000000001B1E2000-memory.dmp

    Filesize

    72KB

  • memory/4940-18-0x000000001C060000-0x000000001C52E000-memory.dmp

    Filesize

    4.8MB

  • memory/4940-19-0x000000001C5D0000-0x000000001C66C000-memory.dmp

    Filesize

    624KB

  • memory/4940-20-0x000000001C760000-0x000000001C7C2000-memory.dmp

    Filesize

    392KB

  • memory/4940-21-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-22-0x000000001B690000-0x000000001B698000-memory.dmp

    Filesize

    32KB

  • memory/4940-24-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-23-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-26-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-25-0x0000000000BE0000-0x0000000000BF0000-memory.dmp

    Filesize

    64KB

  • memory/4940-27-0x0000000020230000-0x000000002073E000-memory.dmp

    Filesize

    5.1MB

  • memory/4940-29-0x00007FFF98920000-0x00007FFF992C1000-memory.dmp

    Filesize

    9.6MB