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
    30-04-2024 09:44

General

  • Target

    09895c3dc5139be490ea79f45e394a02_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    09895c3dc5139be490ea79f45e394a02

  • SHA1

    45fecf57a4fd56de39caac7cf01c98de97281444

  • SHA256

    24d7cebeb4de2bdba88a2b392251256c3d4640154203b56eef9ebc029ebea3f9

  • SHA512

    4a247c4d0c95dce8de508a80dda2c81ea339ae963d5c65b738d1ef71003560cb9ce04b9e821062e602d148bab67b6b26c06184997a503f4594bf6045c9f1aa27

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4H:0+h9OY70z+warul3E4H

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\09895c3dc5139be490ea79f45e394a02_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\09895c3dc5139be490ea79f45e394a02_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:1052
    • C:\Users\Admin\AppData\Local\Temp\n904\s904.exe
      "C:\Users\Admin\AppData\Local\Temp\n904\s904.exe" efbe5eb27f5119a5a8b49c997F5fQSDvLAqCtn6YaWHhvBMFP5AD0yU0y7e6mtNHYBSP5snch/IbkI5kSfo35jqBuArPBXi3Lqmu581hfDfJw3JKup0DhoIw3U9N0Imd5pi+Kau+3aQZdtl/ztWAsDNlKDut7DAQhMqOLDPHNh3iPBBD /v "C:\Users\Admin\AppData\Local\Temp\09895c3dc5139be490ea79f45e394a02_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:1140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n904\s904.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/1140-13-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-12-0x00007FFF19DE0000-0x00007FFF1A781000-memory.dmp

    Filesize

    9.6MB

  • memory/1140-14-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-15-0x000000001BE80000-0x000000001BE92000-memory.dmp

    Filesize

    72KB

  • memory/1140-18-0x000000001CDA0000-0x000000001D26E000-memory.dmp

    Filesize

    4.8MB

  • memory/1140-19-0x000000001D310000-0x000000001D3AC000-memory.dmp

    Filesize

    624KB

  • memory/1140-20-0x000000001D4C0000-0x000000001D522000-memory.dmp

    Filesize

    392KB

  • memory/1140-21-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-22-0x000000001C770000-0x000000001C778000-memory.dmp

    Filesize

    32KB

  • memory/1140-24-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-23-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-25-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-26-0x00000000017A0000-0x00000000017B0000-memory.dmp

    Filesize

    64KB

  • memory/1140-27-0x0000000020F70000-0x000000002147E000-memory.dmp

    Filesize

    5.1MB

  • memory/1140-29-0x00007FFF19DE0000-0x00007FFF1A781000-memory.dmp

    Filesize

    9.6MB