Analysis

  • max time kernel
    113s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 22:37

General

  • Target

    de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe

  • Size

    113KB

  • MD5

    a2208dc08acff4984edae1a282a6aea5

  • SHA1

    0031d2c9dfafbc1b58a9185c31a4d5983d0a72d2

  • SHA256

    46d830502f6f71e10e491a7d9c065be07923d57b948961c22e9df3b1fac1047f

  • SHA512

    676708b052a60d677609d668d53f62901c61d4151bf372e73b5cfac4587c8f5b43911eb4f91ad7eb34622a37fedb86a8412b2504d0bee58031bda8a1bf7aec5f

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73R/:w5eznsjsguGDFqGx8egoxmO3rR/

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\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe
    "C:\Users\Admin\AppData\Local\Temp\de7ba0f8b28acfe56cf78d7f43fe79ea3732ae90576f509a05887514ff43b62fN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1464
    • 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:2816
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2740
      • 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:3008
        • 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:2700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    113KB

    MD5

    1c99a02aa5e3ad939605e95930f30795

    SHA1

    d8b657b0334106ece346f1b373372a1a06e88f43

    SHA256

    60f36fe3a0f01c469d03e55201bfaec3b04fe74ecb20ae7ff5bd518022a75206

    SHA512

    cc5627ad46911932090bcc5e4fe1996f7129fdd5e44d538833983dc60832c90cf52e217629fb2122d01e2003d6a6d98401ec2c0af74314cceee9a6821d65fdbb

  • memory/1464-0-0x0000000073EF1000-0x0000000073EF2000-memory.dmp

    Filesize

    4KB

  • memory/1464-1-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-2-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-15-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/1464-16-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-18-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-17-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-25-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/2816-28-0x0000000073EF0000-0x000000007449B000-memory.dmp

    Filesize

    5.7MB

  • memory/3008-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3008-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/3008-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB