Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-09-2024 19:32

General

  • Target

    00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe

  • Size

    23KB

  • MD5

    15062782b7ebad7e99adc7167d924e85

  • SHA1

    baddee4d37392158d8875266f073429f5fced450

  • SHA256

    00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68

  • SHA512

    c91e5d18ac1830d8972041379179d59c9dbae182ad7bce3956fa3a0dbcd23f2259c1c22f55edcf5961504f3c7da038321b53af8d4823df2e9194ca8a03c8021d

  • SSDEEP

    384:qsqS+ER6vRKXGYKRWVSujUtX9w6Dglo61Z5DVmRvR6JZlbw8hqIusZzZWB:Ff65K2Yf1jKRpcnuF

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

104.238.137.213:5552

Mutex

7e7d2a914b311829c9f6a5392c8f297e

Attributes
  • reg_key

    7e7d2a914b311829c9f6a5392c8f297e

  • 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\00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe
    "C:\Users\Admin\AppData\Local\Temp\00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1580
    • 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:2876
      • 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:2288

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    23KB

    MD5

    15062782b7ebad7e99adc7167d924e85

    SHA1

    baddee4d37392158d8875266f073429f5fced450

    SHA256

    00d4903c9864c5b55f6cba9848f3bc2f2976ad18e9c5763408323c8d9505ff68

    SHA512

    c91e5d18ac1830d8972041379179d59c9dbae182ad7bce3956fa3a0dbcd23f2259c1c22f55edcf5961504f3c7da038321b53af8d4823df2e9194ca8a03c8021d

  • memory/1580-0-0x00000000746B1000-0x00000000746B2000-memory.dmp

    Filesize

    4KB

  • memory/1580-1-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1580-2-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/1580-11-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2876-10-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2876-12-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB

  • memory/2876-14-0x00000000746B0000-0x0000000074C5B000-memory.dmp

    Filesize

    5.7MB