Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 01:00

General

  • Target

    73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3.exe

  • Size

    110KB

  • MD5

    0dcc21bdebe05957ca2922be486abe22

  • SHA1

    8bcbd8a839a58e0050c17221e6a1cc775f07586b

  • SHA256

    73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3

  • SHA512

    0752ba22340fd3383132243580cb28a147e67b42bb920af8c0fde491d550556fdfa296e70d94f2ce9798faddd0dad4664e2c2edda8f6604b9ba9e63e8f875e0f

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh737:w5eznsjsguGDFqGx8egoxmO3r7

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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 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 33 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3.exe
    "C:\Users\Admin\AppData\Local\Temp\73304b5c73a1c90b192c8748348509c213890807d3ca34b08c8fb84652b0cbd3.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1008
    • 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:2840
      • 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:2684
        • 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:2756

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    110KB

    MD5

    78c6121f1b2fb69b880719f0d5324e75

    SHA1

    b136623077d50c7f756e3f42ba20619c0b849c56

    SHA256

    5db2de82b7bf38d136a5f48e7fa865e550564f41039df1d2d6e72aeb5273e0e4

    SHA512

    ea930c70e0e9901a1a1991536512edaa6415b86b71b6888932935323175936daa5917a915201a14e6099420d5be7bea65052b7126ae13f8505e1c04c4b99df9b

  • memory/1008-0-0x00000000741D1000-0x00000000741D2000-memory.dmp

    Filesize

    4KB

  • memory/1008-1-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/1008-2-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/1008-16-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/1008-15-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/2684-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2684-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2684-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2840-18-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-19-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-17-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-26-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB

  • memory/2840-27-0x00000000741D0000-0x000000007477B000-memory.dmp

    Filesize

    5.7MB