Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    18-12-2024 04:52

General

  • Target

    e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe

  • Size

    114KB

  • MD5

    8b6cfd73d676efe9f464c5cca2a80a00

  • SHA1

    140e51c091e14165410abaa71ecbfa938fb2fdd8

  • SHA256

    e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564d

  • SHA512

    3de7425c220088951cfb50fad6c2ff8d4fc0a4a0daca11a829abcc92ff933d6405677ea91a8bf44984c6b8d20f0f0c60e7af09ad828b8cb521645ab00227df7f

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73RT:w5eznsjsguGDFqGx8egoxmO3rRT

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
  • Executes dropped EXE 3 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 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 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe
    "C:\Users\Admin\AppData\Local\Temp\e8a3d233bddd32adb9dcc4aef9441a03476def439c92700467d8ec3fd109564dN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2344
    • 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:1644
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2908
      • 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:2936
        • 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:2696

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    115KB

    MD5

    fd613f397a0f338dbd02797d96ac3fc3

    SHA1

    27bd8cf74b494c2f2346b7dfc59f23afed82b0d9

    SHA256

    5ef37a483f2d5abce41b50f4252523fa928a413199e10e02a0b64072ae4f328d

    SHA512

    74b6b1d4b30388f7acb8a0366ea731727b82a1f09acbda5fe79f634d83c5ae1ff6c036006077eea853b548290178940cf7d273614e20031d9af2f4315a55c550

  • memory/1644-20-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-17-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-18-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-19-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1644-29-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2344-2-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2344-6-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2344-1-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2344-16-0x00000000745B0000-0x0000000074B5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2344-0-0x00000000745B1000-0x00000000745B2000-memory.dmp

    Filesize

    4KB

  • memory/2936-21-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2936-28-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2936-26-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB