Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 21:15

General

  • Target

    449d48054397979cf6c9c19e089dcb5eb8196426987e0fa4da2c59f8c9b98dc4.exe

  • Size

    116KB

  • MD5

    d9df789ef3b86057d0aa6e3bda146af3

  • SHA1

    7314a62d95cda84d53fedd9eccf3d2d39c11beca

  • SHA256

    449d48054397979cf6c9c19e089dcb5eb8196426987e0fa4da2c59f8c9b98dc4

  • SHA512

    ff9d843a3998d207c08b0655f8ea41bdb7b4c31e102b5558491d862ad828fc14e368cbb05762c4e83e7fb6d815ff57f6dd3349acf62556ffc45e9ef02f926629

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMdeHk:P5eznsjsguGDFqGZ2rN

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 5 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 4 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 3 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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\449d48054397979cf6c9c19e089dcb5eb8196426987e0fa4da2c59f8c9b98dc4.exe
    "C:\Users\Admin\AppData\Local\Temp\449d48054397979cf6c9c19e089dcb5eb8196426987e0fa4da2c59f8c9b98dc4.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2856
    • 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:2092
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:3824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3824 -s 80
          4⤵
          • Program crash
          PID:3820
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:4220
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4220 -s 84
          4⤵
          • Program crash
          PID:4780
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2672
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2672 -s 80
          4⤵
          • Program crash
          PID:1216
      • 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:3772
        • 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:4888
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4220 -ip 4220
    1⤵
      PID:4040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2672 -ip 2672
      1⤵
        PID:1536
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3824 -ip 3824
        1⤵
          PID:3544

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          116KB

          MD5

          8ead189b7b9b396c7be0d2d272724d90

          SHA1

          c837c14d6f5a2e3eb965b41ce051704c924b9bf2

          SHA256

          d1ac710ef2ac1cc1ab391794d3da6d483f2f265088343f63aeb2414e4f7c6aa8

          SHA512

          b2e7dae488974ab8f09df9d21236c3a021d32e73a40e4a0601031863c7722abb5fbb252805f775d9a6ac94a9c503c505a7cfb42144f8ca3531fbc1a609948a4d

        • memory/2092-19-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/2092-18-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/2092-31-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/2856-2-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/2856-1-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/2856-17-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/2856-0-0x0000000074B62000-0x0000000074B63000-memory.dmp

          Filesize

          4KB

        • memory/3772-20-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/3772-29-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/3772-32-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/3772-30-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB

        • memory/3772-33-0x0000000074B60000-0x0000000075111000-memory.dmp

          Filesize

          5.7MB