Analysis

  • max time kernel
    59s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-09-2024 19:41

General

  • Target

    e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47.exe

  • Size

    1.2MB

  • MD5

    fca066e3871946f3f04d016f90c7eb09

  • SHA1

    54f13fd7384d592fc1d02e027aab5f422770012e

  • SHA256

    e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47

  • SHA512

    cced5ff80cdc33e747e1ffb16e3d44c6e6f5aaab9a54e24bbfbb56b4451c14e255d5253cb2f00fd101c4fb9b77e512124131d8906bee5f176d6043970a8270a8

  • SSDEEP

    12288:shad/nhhh+E0AtduJRmZJaR/M3P9MUsuyWiP8Bt6hl1c7:dd/nNqAqJkaRE5JBtIl

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

ROMA 1940

C2

seznam.hopto.org:1177

Mutex

58815759959944c4bb49f4885faebc1e

Attributes
  • reg_key

    58815759959944c4bb49f4885faebc1e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 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 3 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 11 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47.exe
    "C:\Users\Admin\AppData\Local\Temp\e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • C:\Users\Admin\AppData\Local\Temp\minocraft.exe
      "C:\Users\Admin\AppData\Local\Temp\minocraft.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2320
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\minocraft.exe" "minocraft.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:3008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\minocraft.exe

    Filesize

    1.2MB

    MD5

    fca066e3871946f3f04d016f90c7eb09

    SHA1

    54f13fd7384d592fc1d02e027aab5f422770012e

    SHA256

    e7b54cee614879d3348ce7aed966ec656eeb2dfe5e10c4c46c223488843afc47

    SHA512

    cced5ff80cdc33e747e1ffb16e3d44c6e6f5aaab9a54e24bbfbb56b4451c14e255d5253cb2f00fd101c4fb9b77e512124131d8906bee5f176d6043970a8270a8

  • memory/2320-10-0x0000000000A00000-0x0000000000B2E000-memory.dmp

    Filesize

    1.2MB

  • memory/2320-11-0x0000000074810000-0x0000000074EFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-13-0x0000000074810000-0x0000000074EFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-14-0x0000000074810000-0x0000000074EFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2320-15-0x0000000074810000-0x0000000074EFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2700-0-0x000000007481E000-0x000000007481F000-memory.dmp

    Filesize

    4KB

  • memory/2700-1-0x0000000000E20000-0x0000000000F4E000-memory.dmp

    Filesize

    1.2MB

  • memory/2700-2-0x0000000000480000-0x000000000048C000-memory.dmp

    Filesize

    48KB