Analysis

  • max time kernel
    116s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 08:46

General

  • Target

    3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe

  • Size

    114KB

  • MD5

    94829de86217417809ef4fc2d1c57f30

  • SHA1

    c549cb4ae63e691cdb47cba6f9771a955e869f99

  • SHA256

    3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5

  • SHA512

    7dbdf089fd459edaf0a7974423e8cc63448c7322cc98a9bf4592aa167b8374cf51b140e2d3cb6fc159fed7d279eb6327d1952331958337703ae000ba219d140e

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Ro:w5eznsjsguGDFqGx8egoxmO3rRo

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 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 25 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe
    "C:\Users\Admin\AppData\Local\Temp\3fae182c31718a026d9983e5b12512173ff88402192b0de12e457855dde1f7e5N.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1740
    • 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:2948
      • 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:2844
        • 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:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    114KB

    MD5

    29cd4b87a266cbcb8f502a6b206c727e

    SHA1

    c8ff8d78c2f3b0a6d46f47b8d61c71885aaefd0a

    SHA256

    02348655720d68d2b719b44bcb6589c62ffd30cdb1970f059c176c37c6e64432

    SHA512

    72dcc4c9e7902445bb3a9888400ee55c356b9f5ccd6895d650212c6aa9a87e362e92b457d5ae8a53de760f3a02c1017cfc16398be234aa4d8c7c6ac1c60b8929

  • memory/1740-0-0x0000000074F01000-0x0000000074F02000-memory.dmp

    Filesize

    4KB

  • memory/1740-1-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-2-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-6-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/1740-16-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2844-22-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2844-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2844-24-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2948-18-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2948-17-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2948-25-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB

  • memory/2948-26-0x0000000074F00000-0x00000000754AB000-memory.dmp

    Filesize

    5.7MB