Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-05-2024 14:25

General

  • Target

    c9ab1615da4eb661e347aed48b91b4b1490322bc6a3a743cf87657df38150d1f.exe

  • Size

    114KB

  • MD5

    051fbfff157042910851c479f8f54069

  • SHA1

    035006543e908813d46f5ee95fb0f3c54af7e701

  • SHA256

    c9ab1615da4eb661e347aed48b91b4b1490322bc6a3a743cf87657df38150d1f

  • SHA512

    ac582d3c3b666323aa29f96aa3574a1ffa3d7bca140608fbf8b22150accac8bd504e9dda4940694fcc2351b3099aa0c57b969438e949df5ae8dad4f6b57dcf4a

  • SSDEEP

    1536:WWp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4XEQhuxzuMDwT:P5eznsjsguGDFqGZ2rDwT

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).

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c9ab1615da4eb661e347aed48b91b4b1490322bc6a3a743cf87657df38150d1f.exe
    "C:\Users\Admin\AppData\Local\Temp\c9ab1615da4eb661e347aed48b91b4b1490322bc6a3a743cf87657df38150d1f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:5348
    • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
      "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4960
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:5616
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 5616 -s 80
          4⤵
          • Program crash
          PID:1184
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2476
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe" "chargeable.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:5332
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5616 -ip 5616
    1⤵
      PID:5796

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      114KB

      MD5

      756f5bf36df9f76914de98bcee0fcdf6

      SHA1

      b1f0710728277e5afdd891c61b5914033d2d27a5

      SHA256

      e6f26ac49b1bc298e851afae2e1c265718b8f4edacd0e135869a501480bde9fd

      SHA512

      1173610673371b0100647d9d6233f3e3e4f99f5e3647ecaafdae9eb8c81aceba2e1d79914f91a5c3358bb9fdd8ce7e18c710e2fa6da2948f47eaa138fbd2832a

    • memory/2476-21-0x0000000000400000-0x000000000040C000-memory.dmp

      Filesize

      48KB

    • memory/2476-29-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/2476-26-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/2476-28-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/4960-19-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/4960-20-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/4960-18-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/4960-27-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/5348-0-0x0000000074DC2000-0x0000000074DC3000-memory.dmp

      Filesize

      4KB

    • memory/5348-17-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/5348-2-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB

    • memory/5348-1-0x0000000074DC0000-0x0000000075371000-memory.dmp

      Filesize

      5.7MB