Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-06-2024 19:57

General

  • Target

    9f5c706d0fc49650250d096c06616f8a_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    9f5c706d0fc49650250d096c06616f8a

  • SHA1

    64a3c524004ba32775be51927e349e81960b1c61

  • SHA256

    14053203870959c77e0a78832375ef02415e4e57157c130b3a849d7a3299191d

  • SHA512

    42d653f42d564980a379b97a6da94cfaa46a881f9a68632ff99771af211ad485a31dce66de0cdd1d13302a5a94c7e86fbc1c5254a6f7f5a7425886022cf9ce26

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4R:0+h9OY70z+warul3E4R

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\9f5c706d0fc49650250d096c06616f8a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9f5c706d0fc49650250d096c06616f8a_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:1072
    • C:\Users\Admin\AppData\Local\Temp\n8061\s8061.exe
      "C:\Users\Admin\AppData\Local\Temp\n8061\s8061.exe" 341108e2fe2e750cecd44f9bay2d71MpV+b6QtyoMTgeTzQj5XZcmYsqa+4AdlyxlduEuhUOCW3aFe+gAMjP5WEkNlDMmzklio5zu3HjcEA8d6jMoBW+ii9Hh9DQmRrjEcfPYUYoCnI+fBzlzO7mPn8n0zQiOb1Dt5gepeFKaeIiI9hN /v "C:\Users\Admin\AppData\Local\Temp\9f5c706d0fc49650250d096c06616f8a_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:436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8061\s8061.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/436-12-0x00007FFB82B05000-0x00007FFB82B06000-memory.dmp

    Filesize

    4KB

  • memory/436-13-0x00007FFB82850000-0x00007FFB831F1000-memory.dmp

    Filesize

    9.6MB

  • memory/436-14-0x00007FFB82B05000-0x00007FFB82B06000-memory.dmp

    Filesize

    4KB

  • memory/436-15-0x0000000001090000-0x00000000010A2000-memory.dmp

    Filesize

    72KB

  • memory/436-18-0x000000001C590000-0x000000001CA5E000-memory.dmp

    Filesize

    4.8MB

  • memory/436-19-0x000000001CB00000-0x000000001CB9C000-memory.dmp

    Filesize

    624KB

  • memory/436-20-0x000000001CC90000-0x000000001CCF2000-memory.dmp

    Filesize

    392KB

  • memory/436-21-0x00007FFB82850000-0x00007FFB831F1000-memory.dmp

    Filesize

    9.6MB

  • memory/436-22-0x000000001B780000-0x000000001B788000-memory.dmp

    Filesize

    32KB

  • memory/436-23-0x00007FFB82850000-0x00007FFB831F1000-memory.dmp

    Filesize

    9.6MB

  • memory/436-24-0x00007FFB82850000-0x00007FFB831F1000-memory.dmp

    Filesize

    9.6MB

  • memory/436-25-0x00007FFB82850000-0x00007FFB831F1000-memory.dmp

    Filesize

    9.6MB

  • memory/436-26-0x0000000020970000-0x0000000020E7E000-memory.dmp

    Filesize

    5.1MB

  • memory/436-28-0x00007FFB82850000-0x00007FFB831F1000-memory.dmp

    Filesize

    9.6MB