Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/05/2024, 01:58

General

  • Target

    4df819981ec00052f82719d65ae616b1_JaffaCakes118.exe

  • Size

    512KB

  • MD5

    4df819981ec00052f82719d65ae616b1

  • SHA1

    66186aaf0c9daf82f453ce6a852391743a436654

  • SHA256

    245ec2f3a084c09382934a27866679a76d0c5ce034979f22c18ebcaa9a405447

  • SHA512

    c924c73a222ddeb6fb39b7812032c4cbcbc78036bf9936d2eb6ad109d335887db6c1f2ca349e592abb8b22545d04241262b8773238d18f2fec9af649a7e9f16f

  • SSDEEP

    12288:0+h9St2Ma70zIIc91Dwws4zruXic2O/3E4YB:0+h9OY70z+warul3E4YB

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 3 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\4df819981ec00052f82719d65ae616b1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4df819981ec00052f82719d65ae616b1_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:3764
    • C:\Users\Admin\AppData\Local\Temp\n7440\s7440.exe
      "C:\Users\Admin\AppData\Local\Temp\n7440\s7440.exe" 7a5c65d7acc46b0b90ccc24911m2gtGcZmDDmW9+u8SIiG3jAoS560MfXJDud2LegcnKkSPjH6d+chsCZRuWUE+TA6QGpPQyaSfGC3hAhvV3w3h3CdOyeYY5cPEzXzBA0CH/SOIFKnSg75zuzYVZ38t8lP9tg4gqQF731BzB3xsommTp /v "C:\Users\Admin\AppData\Local\Temp\4df819981ec00052f82719d65ae616b1_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:880

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n7440\s7440.exe

    Filesize

    230KB

    MD5

    abaf13cb23de482dc944ab5b51ca3aac

    SHA1

    76837356db96dd56b647aba60f1adbbdc7b200fe

    SHA256

    b02fad5ac5234401505e1682c86f526951e8ded726687088c30987321f7c105e

    SHA512

    cc2aac30490511e49e1268f5df9139d176a3b849e663ad3b739e2f1cb50a6e084c465772ded5f694d5ec6f19ac40a57e5e64f7c47515f212476c20cbe9d6bce3

  • memory/880-12-0x00007FF886435000-0x00007FF886436000-memory.dmp

    Filesize

    4KB

  • memory/880-13-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB

  • memory/880-29-0x000000001B7E0000-0x000000001B7F2000-memory.dmp

    Filesize

    72KB

  • memory/880-32-0x000000001C710000-0x000000001CBDE000-memory.dmp

    Filesize

    4.8MB

  • memory/880-33-0x000000001CC80000-0x000000001CD1C000-memory.dmp

    Filesize

    624KB

  • memory/880-34-0x000000001CE30000-0x000000001CE92000-memory.dmp

    Filesize

    392KB

  • memory/880-35-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB

  • memory/880-36-0x000000001B810000-0x000000001B818000-memory.dmp

    Filesize

    32KB

  • memory/880-37-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB

  • memory/880-38-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB

  • memory/880-39-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB

  • memory/880-40-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB

  • memory/880-41-0x0000000020890000-0x0000000020D9E000-memory.dmp

    Filesize

    5.1MB

  • memory/880-42-0x000000001E390000-0x000000001E4CC000-memory.dmp

    Filesize

    1.2MB

  • memory/880-44-0x00007FF886180000-0x00007FF886B21000-memory.dmp

    Filesize

    9.6MB