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Analysis

  • max time kernel
    150s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/01/2025, 18:16

General

  • Target

    JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe

  • Size

    439KB

  • MD5

    6e8c46674f223379c3ed11dd5dc9f2c0

  • SHA1

    5e17cc2788fc4a909ee65b102ac33e66aff3f34c

  • SHA256

    14cfc755a46bfad1af048584d599344cc9043f20ff6727c04901bc5cb585521b

  • SHA512

    902f581ea4506f3cdebe64cee161a789fd578e2e88fb831c87ffcf20a9ebfaa645ee9ea6ad601a9730a9efba3f31efbeb833a2777a3d7c917914bd3c69601596

  • SSDEEP

    3072:qzQ7tyn3XA5GskpIZWWH2iWZ2bcmkgfX9Dv01x12:vta3iGskpIPW52b9k8XWj

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

maxxrocker.dlinkddns.com:80

Mutex

ba07a9c5c9c406a4294ab8bfe0b42da4

Attributes
  • reg_key

    ba07a9c5c9c406a4294ab8bfe0b42da4

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6e8c46674f223379c3ed11dd5dc9f2c0.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2676
      • C:\Users\Admin\AppData\Local\Temp\server.exe
        "C:\Users\Admin\AppData\Local\Temp\server.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2552
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          C:\Users\Admin\AppData\Local\Temp\server.exe
          4⤵
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2052
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
            5⤵
            • Modifies Windows Firewall
            • Event Triggered Execution: Netsh Helper DLL
            • System Location Discovery: System Language Discovery
            PID:2952

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\server.exe

    Filesize

    439KB

    MD5

    6e8c46674f223379c3ed11dd5dc9f2c0

    SHA1

    5e17cc2788fc4a909ee65b102ac33e66aff3f34c

    SHA256

    14cfc755a46bfad1af048584d599344cc9043f20ff6727c04901bc5cb585521b

    SHA512

    902f581ea4506f3cdebe64cee161a789fd578e2e88fb831c87ffcf20a9ebfaa645ee9ea6ad601a9730a9efba3f31efbeb833a2777a3d7c917914bd3c69601596

  • memory/2552-31-0x0000000001040000-0x00000000010B4000-memory.dmp

    Filesize

    464KB

  • memory/2676-22-0x00000000745C0000-0x0000000074CAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-32-0x00000000745C0000-0x0000000074CAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2676-15-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2676-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2676-18-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2780-3-0x00000000001C0000-0x00000000001CA000-memory.dmp

    Filesize

    40KB

  • memory/2780-21-0x00000000745C0000-0x0000000074CAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-23-0x00000000745C0000-0x0000000074CAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-0-0x00000000745CE000-0x00000000745CF000-memory.dmp

    Filesize

    4KB

  • memory/2780-2-0x00000000745C0000-0x0000000074CAE000-memory.dmp

    Filesize

    6.9MB

  • memory/2780-1-0x0000000000370000-0x00000000003E4000-memory.dmp

    Filesize

    464KB