Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    01-09-2024 03:40

General

  • Target

    da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe

  • Size

    23KB

  • MD5

    692f22cbe9a5fac0fe6728065fd2882a

  • SHA1

    9bbce26a395a09f96e03cbf14151127b69b6831d

  • SHA256

    da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a

  • SHA512

    7757f5d566f0c5903f23b9299b11d7450254096c6c611196b2fd53a4630f6cb1c85317db99532d19ab38f2c50d839f0d8c6de0cadda8a6676c87d72961efb6fd

  • SSDEEP

    384:8Y324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZ8k:rL2s+tRyRpcnui

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.11.184:5552

Mutex

e0173ebd8733c2357407c4966d6856f1

Attributes
  • reg_key

    e0173ebd8733c2357407c4966d6856f1

  • 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 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe
    "C:\Users\Admin\AppData\Local\Temp\da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2408
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.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:1916
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:2312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    692f22cbe9a5fac0fe6728065fd2882a

    SHA1

    9bbce26a395a09f96e03cbf14151127b69b6831d

    SHA256

    da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a

    SHA512

    7757f5d566f0c5903f23b9299b11d7450254096c6c611196b2fd53a4630f6cb1c85317db99532d19ab38f2c50d839f0d8c6de0cadda8a6676c87d72961efb6fd

  • memory/1916-11-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-12-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/1916-14-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-0-0x00000000742D1000-0x00000000742D2000-memory.dmp

    Filesize

    4KB

  • memory/2408-1-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-2-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB

  • memory/2408-10-0x00000000742D0000-0x000000007487B000-memory.dmp

    Filesize

    5.7MB