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Analysis

  • max time kernel
    145s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 23:04

General

  • Target

    4876328370e8a67f9b6548da5f75264e_JaffaCakes118.exe

  • Size

    683KB

  • MD5

    4876328370e8a67f9b6548da5f75264e

  • SHA1

    524bf2ea95fe7ac2ee72fe32a47e52db93ccb6de

  • SHA256

    14f1c2d894d207152ccdbeecf3ec8047cf63adbdb6c7c53038a742330db24825

  • SHA512

    0e49a95295a3cd6524d3f19d0c9d07a865637e421ab06bc17c21aa428282851ebc324351f9109364e2c31a48677aa157f6cdf64562b49202adff85681447ddde

  • SSDEEP

    12288:apI1ozCEXgFQZ5O4GsLUfia4eiTxMovq6WuPCOlf5+V6T:yI1oz7gFGL/Uqbe6x5Ku6Op5+V6T

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4876328370e8a67f9b6548da5f75264e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4876328370e8a67f9b6548da5f75264e_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:1668
    • C:\Users\Admin\AppData\Local\Temp\n8918\s8918.exe
      "C:\Users\Admin\AppData\Local\Temp\n8918\s8918.exe" 50238f1f5120c23e73d221cebqPUDh4XF3p4QIgsiNPytC9TXS39qsqOvWioz2bQYm2Yr5cy2IyncdOvsKZsa8zy0N1dZHVyKK36YGJH0+HTMKZA1zi4KRkr9G8IF4RKN9lZ//DLoujKK0r1HSdbqtXd8oVtxR9XuGyhvievuguCGirOKaRCaoJjydA5gXJG /v "C:\Users\Admin\AppData\Local\Temp\4876328370e8a67f9b6548da5f75264e_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
      PID:4320

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n8918\s8918.exe

    Filesize

    350KB

    MD5

    d438749bcfe5bcdf1d59cbbb82341315

    SHA1

    2f4176c631e0190f35eb2963a4f8ad692fdcd6b7

    SHA256

    0aa566ada2feeb1714acd636da309edc6c3a9b0b8873d97942b55e053e55dd42

    SHA512

    f6ea2cf132c6564d685a6386705f2ff9b3912697f70d3e97e1754084c6c589141f3f72d6d82eeb6cc677a331325ab486389b1e3a202b7b21149499e8c020c67e

  • memory/4320-12-0x00007FF895065000-0x00007FF895066000-memory.dmp

    Filesize

    4KB

  • memory/4320-13-0x00007FF894DB0000-0x00007FF895751000-memory.dmp

    Filesize

    9.6MB

  • memory/4320-29-0x000000001BFD0000-0x000000001BFE0000-memory.dmp

    Filesize

    64KB

  • memory/4320-32-0x000000001CB60000-0x000000001D02E000-memory.dmp

    Filesize

    4.8MB

  • memory/4320-33-0x000000001C5C0000-0x000000001C65C000-memory.dmp

    Filesize

    624KB

  • memory/4320-34-0x00007FF894DB0000-0x00007FF895751000-memory.dmp

    Filesize

    9.6MB

  • memory/4320-35-0x000000001D160000-0x000000001D1C2000-memory.dmp

    Filesize

    392KB

  • memory/4320-36-0x00007FF894DB0000-0x00007FF895751000-memory.dmp

    Filesize

    9.6MB

  • memory/4320-37-0x00007FF894DB0000-0x00007FF895751000-memory.dmp

    Filesize

    9.6MB

  • memory/4320-38-0x0000000021330000-0x000000002183E000-memory.dmp

    Filesize

    5.1MB

  • memory/4320-40-0x00007FF894DB0000-0x00007FF895751000-memory.dmp

    Filesize

    9.6MB