Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    07-11-2024 03:21

General

  • Target

    dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe

  • Size

    113KB

  • MD5

    7d77e5b9c5652a18f5b17db180acfb3b

  • SHA1

    89e6748c7b986bdcff0f6a7452e9e77c88d983b6

  • SHA256

    dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5

  • SHA512

    68aea0bca577f83cb7e9c8c50fea2292302d5a1b8a501494a8de3416ab949f7050054c0cb47cf4296db3a43c982124e817c4d0ae1c6571b6a55d2b7127aa4833

  • SSDEEP

    1536:orp5eznKUlIOp3YjVCguHEvQEbFqVC3woFRKpT4xtKegoxmOBh73Rm:w5eznsjsguGDFqGx8egoxmO3rRm

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 4 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 3 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 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe
    "C:\Users\Admin\AppData\Local\Temp\dc2ceb535e34fd0e54e87cce63d3ef05d5987b4e367f2158293486e5e07377a5.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1600
    • 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:1712
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2988
      • C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        C:\Users\Admin\AppData\Roaming\confuse\chargeable.exe
        3⤵
        • Executes dropped EXE
        PID:2772
      • 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:2724
        • 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:2792

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    113KB

    MD5

    5807f249e3ac4970d64e455d7199fbd6

    SHA1

    413c3ffd9441045bacce01b5898543eaefba500e

    SHA256

    88fa71f6b1842be30b17a4072d7a3a45aadf1dafadb751ac14ebaf806694cc0e

    SHA512

    f05c28197399c75f48e3c450365a5db464a4e1314c2700a20038a050afc8b8f42ccf7ee0691b097e3db11e0925fb6c153166d94289500f8969c6d7f3d62646a9

  • memory/1600-0-0x0000000074F21000-0x0000000074F22000-memory.dmp

    Filesize

    4KB

  • memory/1600-1-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-2-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-16-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1600-15-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1712-18-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1712-17-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1712-29-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/1712-30-0x0000000074F20000-0x00000000754CB000-memory.dmp

    Filesize

    5.7MB

  • memory/2724-19-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2724-26-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB

  • memory/2724-28-0x0000000000400000-0x000000000040C000-memory.dmp

    Filesize

    48KB