Analysis

  • max time kernel
    114s
  • max time network
    105s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-08-2024 15:00

General

  • Target

    2edc3e161b6e0ce7fb4af8957b076e00N.exe

  • Size

    118KB

  • MD5

    2edc3e161b6e0ce7fb4af8957b076e00

  • SHA1

    638b7188832f913bfe54561a10fa4343b6cafe29

  • SHA256

    fcac77f4a679adfb96b883375aa3f260f136a0001c1ab9163679223bb2b667b1

  • SHA512

    14eadf9d8efef159d8a617335be07cb62a9be4b286f10c4a1be3f91b84168055eb11e8c9e2cda17d7e70fee58fafa068455906a26e4c6d4510e7650d8b667a6a

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDL14FO46:P5eznsjsguGDFqGZ2rDL14FO46

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 25 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2edc3e161b6e0ce7fb4af8957b076e00N.exe
    "C:\Users\Admin\AppData\Local\Temp\2edc3e161b6e0ce7fb4af8957b076e00N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:812
    • 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:752
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:4792
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4792 -s 80
          4⤵
          • Program crash
          PID:2960
      • 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:2652
        • 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:112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4792 -ip 4792
    1⤵
      PID:2860

    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

      af005173cce1850423f0f999693487cb

      SHA1

      950bf700178ab02d75b959cf92f1d493acba31ef

      SHA256

      38615066450a66b2950aa946bf8eea01f16e1f0dfc7c0748609e195c317c2a7a

      SHA512

      feb37c884eba52c5e74a3a9b1c604d42e6b25b98a1389ba9677361f756897d169824b9d7c214e150f6a1f07e7e63440baa07e6119aa08b919db0533a9fdb22bc

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

      Filesize

      118KB

      MD5

      80e0e22f6086739202a3282a82009844

      SHA1

      fcbff99f414a5228bb6e5b6a362efc808c36c0c8

      SHA256

      941612400e0fde5fed780bee732017f8ca322ac153f7e9e6b38271a2b2184f20

      SHA512

      0c8aec42e80ec874c76c89938119c435dd055e0e3a6ec759ab29793a08cb178a9022cb77077dc7645129a2690865fd2bf62bf53afd1c255c17bb93eb82c3c95e

    • memory/752-19-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/752-18-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/752-28-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/812-2-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/812-17-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/812-0-0x0000000075392000-0x0000000075393000-memory.dmp

      Filesize

      4KB

    • memory/812-1-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/2652-20-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2652-26-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/2652-27-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/2652-29-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/2652-30-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB

    • memory/2652-31-0x0000000075390000-0x0000000075941000-memory.dmp

      Filesize

      5.7MB