Analysis

  • max time kernel
    113s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 21:04

General

  • Target

    0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe

  • Size

    112KB

  • MD5

    fd8e85fa0fedbacb9e0207b7fcc3d360

  • SHA1

    c55f73cca110ca28ba73a0d106c54bb2aa311559

  • SHA256

    0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355e

  • SHA512

    831b7506d5b2cf5732381e0505f04fe22982f0bbf3c003ebc6bda15183f0c7c62571a075cc1a02417cd6400bfa8d7c713f34418f7f88e7a6ab405abe57bb2d21

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73v/:w5eznsjsguGDFqGx8egoxmO3rv/

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 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\0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe
    "C:\Users\Admin\AppData\Local\Temp\0a448f5a76f8760d27282d942f8e088b63bd323f9a1a064eb57bffcb6015355eN.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1836
    • 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:2968
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2744
      • 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:2984
        • 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:2220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    112KB

    MD5

    3065443dd469c77089dd69e3684d91ba

    SHA1

    56d53f8b38ad5ff78fe48304e3660867a182e322

    SHA256

    735c8b4bc24f9287d622e360365ac55e78e3228ac935c5ddccf74b6ed1807d88

    SHA512

    48dc85699b700854706a0ceac5ca5fbbbe61a2ac5fd4174ad30c640138cabfa1143b5d28761f5a4a10878a86fc15b15311eff284aed31144f267d53758974726

  • memory/1836-0-0x0000000074F21000-0x0000000074F22000-memory.dmp

    Filesize

    4KB

  • memory/1836-1-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-2-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-6-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1836-17-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2968-18-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2968-19-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2968-16-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2968-26-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2968-29-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2984-25-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2984-23-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2984-20-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB