Analysis

  • max time kernel
    114s
  • max time network
    120s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-12-2024 23:26

General

  • Target

    54460c57ab063459de62d2337c0aa36096a3f840d0aa13bc1982ca0a642cf6fcN.exe

  • Size

    114KB

  • MD5

    714662affd90e85ce2679cfa5b351510

  • SHA1

    d5a58f16a7ef7f8b7e917a49e255aa6f4db656f8

  • SHA256

    54460c57ab063459de62d2337c0aa36096a3f840d0aa13bc1982ca0a642cf6fc

  • SHA512

    7162731cdf522c7a891060a5646c5e2c0b17acc07280cfe44b941c35047aae31c3c81cd8889b84651c9fbaf51bee5d8807e51c99ae4ede7c687fb897f1dc1ca1

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rmk:w5eznsjsguGDFqGx8egoxmO3rRmk

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 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 3 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.

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 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 25 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\54460c57ab063459de62d2337c0aa36096a3f840d0aa13bc1982ca0a642cf6fcN.exe
    "C:\Users\Admin\AppData\Local\Temp\54460c57ab063459de62d2337c0aa36096a3f840d0aa13bc1982ca0a642cf6fcN.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2244
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2100
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:3492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3492 -s 80
          4⤵
          • Program crash
          PID:1124
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3168
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • System Location Discovery: System Language Discovery
          PID:2192
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3492 -ip 3492
    1⤵
      PID:2096

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe

      Filesize

      114KB

      MD5

      d02b803241d52399f66d78078cf44d11

      SHA1

      f86af909061c6627503b689f05cc37cba74d7302

      SHA256

      e0fc572de9733f9f24cc8f3fd21780ed82e3aad6cbb772be51ec7a7757cac39f

      SHA512

      27b62deb3e9b85cf74e1b30ef9d6ca6eeeee05abddfdc141d4864802a0726d5a85eebfbd847b0046fbd305f6178b2090194052a8f30a9827bb4bc6a944f98748

    • memory/2100-28-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2100-21-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2100-19-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2244-20-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2244-7-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2244-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

      Filesize

      4KB

    • memory/2244-6-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

      Filesize

      4KB

    • memory/2244-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/2244-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/3168-22-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/3168-29-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/3168-27-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB

    • memory/3168-30-0x0000000074BF0000-0x00000000751A1000-memory.dmp

      Filesize

      5.7MB