Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 23:15

General

  • Target

    7169408fdbb717ae3c63ca9c255b866b299cdc609c9dfa6d3e20c31e2e3ed379.exe

  • Size

    117KB

  • MD5

    8d34cbfd71e4d3876fe7dbe5381a3475

  • SHA1

    21f563a3fa232f5d665090d1994a8ede4d2aba54

  • SHA256

    7169408fdbb717ae3c63ca9c255b866b299cdc609c9dfa6d3e20c31e2e3ed379

  • SHA512

    76790e19b981663377c42977deb0b5515517d38be0fcb8b73dfcdbf692a5799b63f2897192d68286ee85315704bbe2a98a0662c7fccea2541d421376d2206788

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDLC:P5eznsjsguGDFqGZ2rDLC

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 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 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 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 31 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7169408fdbb717ae3c63ca9c255b866b299cdc609c9dfa6d3e20c31e2e3ed379.exe
    "C:\Users\Admin\AppData\Local\Temp\7169408fdbb717ae3c63ca9c255b866b299cdc609c9dfa6d3e20c31e2e3ed379.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4164
    • 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:2024
      • 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:2720
        • 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:4800

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\chargeable.exe.log

          Filesize

          400B

          MD5

          0a9b4592cd49c3c21f6767c2dabda92f

          SHA1

          f534297527ae5ccc0ecb2221ddeb8e58daeb8b74

          SHA256

          c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd

          SHA512

          6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307

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

          Filesize

          117KB

          MD5

          46d05265b9f338d66448f89af2d022fd

          SHA1

          b0f04112c983b4b1fa84a5e6c8cb819b1e63e2fa

          SHA256

          03d476e4270d2eb6c801f85fe1db998c7c2b23fe54f1fe4a8b0762cddfbfab08

          SHA512

          d89e22188bad1d9b73f58bee2ab53c1f87fd67da8ec6b0c27efd5dc754cf8996d833ba405853500267bbc77227683404cd6e751fd276054047fd9bd5cb8c2925

        • memory/2024-19-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/2024-17-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/2024-20-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/2024-26-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/2720-21-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/2720-25-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/2720-27-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/2720-28-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/4164-2-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/4164-18-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB

        • memory/4164-0-0x0000000075222000-0x0000000075223000-memory.dmp

          Filesize

          4KB

        • memory/4164-1-0x0000000075220000-0x00000000757D1000-memory.dmp

          Filesize

          5.7MB