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Analysis

  • max time kernel
    119s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/01/2025, 05:12

General

  • Target

    5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe

  • Size

    238KB

  • MD5

    88e26964c9367eb3b37131f5e7398db6

  • SHA1

    74ff0f10f152d9d08a1b10e435bfbb158fa78efa

  • SHA256

    5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643

  • SHA512

    bf24ab078da2ab741bbf3c4e0115881f1cd8da506c96bbbf7efa571b9c884d677c7d91f7bea2532f8db815c970e174c56aa96ff99d275243f94966cba4d325ed

  • SSDEEP

    6144:otRRBVuQ8hMNYl2tgtCASsZhYUIKtAzM1+Ua:ot3BVt8hBl2tgtCLsZhYFy+M1G

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

najrat13.no-ip.info:1177

Mutex

fe846520f3eb4e72966214ff26ac3a9d

Attributes
  • reg_key

    fe846520f3eb4e72966214ff26ac3a9d

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 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 behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 29 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
    "C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
      C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1256
      • 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 behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2824
        • C:\Users\Admin\AppData\Local\Temp\server.exe
          C:\Users\Admin\AppData\Local\Temp\server.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2740
          • 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:1936

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    238KB

    MD5

    88e26964c9367eb3b37131f5e7398db6

    SHA1

    74ff0f10f152d9d08a1b10e435bfbb158fa78efa

    SHA256

    5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643

    SHA512

    bf24ab078da2ab741bbf3c4e0115881f1cd8da506c96bbbf7efa571b9c884d677c7d91f7bea2532f8db815c970e174c56aa96ff99d275243f94966cba4d325ed

  • memory/1256-26-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1256-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1256-54-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/1256-17-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/1256-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2308-24-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-5-0x0000000000280000-0x000000000028A000-memory.dmp

    Filesize

    40KB

  • memory/2308-4-0x0000000000440000-0x0000000000482000-memory.dmp

    Filesize

    264KB

  • memory/2308-2-0x0000000000210000-0x000000000021E000-memory.dmp

    Filesize

    56KB

  • memory/2308-25-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-23-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-0-0x000000007461E000-0x000000007461F000-memory.dmp

    Filesize

    4KB

  • memory/2308-27-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2308-1-0x0000000000DC0000-0x0000000000E02000-memory.dmp

    Filesize

    264KB

  • memory/2308-3-0x0000000074610000-0x0000000074CFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2824-35-0x0000000000930000-0x0000000000972000-memory.dmp

    Filesize

    264KB

  • memory/2824-36-0x0000000000520000-0x0000000000562000-memory.dmp

    Filesize

    264KB