Analysis

  • max time kernel
    147s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-09-2024 23:51

General

  • Target

    9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe

  • Size

    119KB

  • MD5

    0952ac77587be603ff4b344d745a10cd

  • SHA1

    8d49772860bd5cf6e806172cb597ee079e323fc7

  • SHA256

    9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113

  • SHA512

    0b9b0ce955a6e5ca8c0c69f4cb51931c53a93ad9d7b4247220077997cef57dd7436c0c8381139490477062024f3b8399ab737244ed5eeadcf9fa53d73b9b0359

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FOv:P5eznsjsguGDFqGZ2rDL14FOv

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

neuf

C2

doddyfire.linkpc.net:10000

Mutex

e1a87040f2026369a233f9ae76301b7b

Attributes
  • reg_key

    e1a87040f2026369a233f9ae76301b7b

  • splitter

    |'|'|

Signatures

  • 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 33 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe
    "C:\Users\Admin\AppData\Local\Temp\9c31304255378bf6588af663d4551979cadff2fbf9d4ef480aca2f6476fbf113.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4048
    • 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:5012
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:4028
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4028 -s 80
          4⤵
          • Program crash
          PID:3108
      • 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:4924
        • 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:1876
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4028 -ip 4028
    1⤵
      PID:3888

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      119KB

      MD5

      eeb3969f81f520d2dea5fffd41867ea6

      SHA1

      ea6adcc9cc438126fb7e1aabd9df2544edb32384

      SHA256

      68fab7610c5dcb3ead194859b8d7b0b99fb55831f9309594655fac8a69f1fcad

      SHA512

      02a83ee66474f74800cd1d7d7229152aa323c733fbd780ce08838c66667c1eaa8cfc0797744f987307aacba1bb3c7bd2d04c6fe7894eaa82612e7bf66b8a5150

    • memory/4048-19-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4048-2-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4048-6-0x0000000074E42000-0x0000000074E43000-memory.dmp

      Filesize

      4KB

    • memory/4048-7-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4048-1-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4048-0-0x0000000074E42000-0x0000000074E43000-memory.dmp

      Filesize

      4KB

    • memory/4048-21-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4924-23-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/4924-28-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/4924-30-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/5012-20-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/5012-22-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB

    • memory/5012-29-0x0000000074E40000-0x00000000753F1000-memory.dmp

      Filesize

      5.7MB