Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-09-2024 02:48

General

  • Target

    d309add40282e7a097b4009d70bf66388a403ea388f82db51f569ae9ea1edb10.exe

  • Size

    23KB

  • MD5

    3dcefbcd7867c339680d6e0964ddab2f

  • SHA1

    409cc62b80af0abbad84bc8ab681789bf1cb8fbc

  • SHA256

    d309add40282e7a097b4009d70bf66388a403ea388f82db51f569ae9ea1edb10

  • SHA512

    2cd4edc023c1284070fb00b4b472dbaa7a571f59b7d09064953c74f435961f1fead58517e99ea61710750d9faca3ccc107c281dadb2c35771a61a8b8ceeafc46

  • SSDEEP

    384:roWtkEwn65rgjAsGipk55D16HgXakhbZD0mRvR6JZlbw8hqIusZzZID:E7O89pErRpcnuh

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.1.11:5552

Mutex

7657c14284185fbd3fb108b43c7467ba

Attributes
  • reg_key

    7657c14284185fbd3fb108b43c7467ba

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 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\d309add40282e7a097b4009d70bf66388a403ea388f82db51f569ae9ea1edb10.exe
    "C:\Users\Admin\AppData\Local\Temp\d309add40282e7a097b4009d70bf66388a403ea388f82db51f569ae9ea1edb10.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2532
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1468
      • 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:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    23KB

    MD5

    3dcefbcd7867c339680d6e0964ddab2f

    SHA1

    409cc62b80af0abbad84bc8ab681789bf1cb8fbc

    SHA256

    d309add40282e7a097b4009d70bf66388a403ea388f82db51f569ae9ea1edb10

    SHA512

    2cd4edc023c1284070fb00b4b472dbaa7a571f59b7d09064953c74f435961f1fead58517e99ea61710750d9faca3ccc107c281dadb2c35771a61a8b8ceeafc46

  • memory/1468-10-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/1468-11-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/1468-14-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

    Filesize

    4KB

  • memory/2532-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-12-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB

  • memory/2532-13-0x0000000074DA0000-0x000000007534B000-memory.dmp

    Filesize

    5.7MB