Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2024 10:51

General

  • Target

    cc9994c73fb6eec72b51256f7015110b_JaffaCakes118.exe

  • Size

    5.0MB

  • MD5

    cc9994c73fb6eec72b51256f7015110b

  • SHA1

    40a1cac85ec14eca254d3efed9d36f59cae704fa

  • SHA256

    815a071218fc73dbfc2452deb03954ba2b195ea8d8bf8e8a31fd1a29be7314df

  • SHA512

    52ae14e4899e79e66e071468d8a6634b8264b3222fceb034df400bd712024c8378c432db0608f54a4d984d18ebc8a67746e76192610b2af429413c54ee070bf0

  • SSDEEP

    49152:Lh8EVJ/qGjE4C9zBEVzWZnJYGS74rdC72VYHF68nrORQFjI8um9CKrOiyb6IDT3M:Lh8EHqGjEIWZht

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://104.225.151.94:443/jquery-3.3.1.slim.min.js

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • System Binary Proxy Execution: Rundll32 1 TTPs 1 IoCs

    Abuse Rundll32 to proxy execution of malicious code.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 1 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 7 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cc9994c73fb6eec72b51256f7015110b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cc9994c73fb6eec72b51256f7015110b_JaffaCakes118.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • System Location Discovery: System Language Discovery
    • Checks SCSI registry key(s)
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1356
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32 url.dll,FileProtocolHandler C:\Users\Admin\AppData\Local\SecureCheck.exe
      2⤵
      • Checks computer location settings
      • System Binary Proxy Execution: Rundll32
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3708
      • C:\Users\Admin\AppData\Local\SecureCheck.exe
        "C:\Users\Admin\AppData\Local\SecureCheck.exe"
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: LoadsDriver
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4840
        • C:\Users\Admin\AppData\Local\Temp\7743.tmp
          "C:\Users\Admin\AppData\Local\Temp\7743.tmp" 604
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:2012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\SecureCheck.exe

    Filesize

    2.0MB

    MD5

    496b51085f7a73863a4ce1afc4dbfcf8

    SHA1

    ea5dc105bccdff8bead34bcdd36e8dede7f440a7

    SHA256

    5d65a27e53b90d14f172408a7c2ac43daa4a0083939a8178bf4020f8d658bb4e

    SHA512

    66046485253f265a9180d5c790a1ae0f3e6095bc721ef5c30478b94bb71bdc1e0bb4949b5fbcb6b7ac0679470b366374ec4690a599afc1f5c5efa2caf17a3ed5

  • C:\Users\Admin\AppData\Local\Temp\7743.tmp

    Filesize

    1.4MB

    MD5

    7a120c1f8f2405c37379b7c2116ca124

    SHA1

    6c2243213ec69c6730fc7feb71c9874b77e3ab64

    SHA256

    60e1a909aca7b907454c971b14a5688417f17440b9ab07430cdf2cde8f27b1f4

    SHA512

    87972863e6cbfbc807d3c4ec02877920141d60f301a56510f744010d0cd56f4eba5f2bb37fb7d65e9b8930aa1749a3a3f8ada2b8294e87e8379d29be4dad76ff

  • memory/1356-1-0x0000000031680000-0x0000000031681000-memory.dmp

    Filesize

    4KB

  • memory/4840-4-0x0000000000D90000-0x00000000013D7000-memory.dmp

    Filesize

    6.3MB

  • memory/4840-11-0x0000000000D90000-0x00000000013D7000-memory.dmp

    Filesize

    6.3MB