Analysis

  • max time kernel
    119s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-09-2024 22:02

General

  • Target

    5457dd383ee30081111dac45f5701512a5496fcdaef3e0e63caac90598a7ef7bN.exe

  • Size

    87KB

  • MD5

    670c8d22e8634e5ecc068bcc602d2670

  • SHA1

    3d0969a03dcf424aa880202721dfb4dd32c0f06b

  • SHA256

    5457dd383ee30081111dac45f5701512a5496fcdaef3e0e63caac90598a7ef7b

  • SHA512

    49e683290adac6f74ebec720e823ced2f9b2c6d20151389ffeb4337c6a258d15c213f1bf97cac0b2048fc3b90aeca1820e9c7a3b139e8a8e4852ac65011abffb

  • SSDEEP

    1536:FrbII78KHCbUv4rFjxJOEGJs2A1LEwgnY6ko:FrbIE8KibUv4rxxJemhWbko

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

mohib

C2

172.0.0.1:5552

Mutex

17bece55e4f05b715c44e4118c9b222e

Attributes
  • reg_key

    17bece55e4f05b715c44e4118c9b222e

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 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.

  • Suspicious use of AdjustPrivilegeToken 27 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5457dd383ee30081111dac45f5701512a5496fcdaef3e0e63caac90598a7ef7bN.exe
    "C:\Users\Admin\AppData\Local\Temp\5457dd383ee30081111dac45f5701512a5496fcdaef3e0e63caac90598a7ef7bN.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Roaming\explorer.exe
      "C:\Users\Admin\AppData\Roaming\explorer.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2276
      • C:\Windows\system32\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\explorer.exe" "explorer.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        PID:2808

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\explorer.exe

    Filesize

    87KB

    MD5

    670c8d22e8634e5ecc068bcc602d2670

    SHA1

    3d0969a03dcf424aa880202721dfb4dd32c0f06b

    SHA256

    5457dd383ee30081111dac45f5701512a5496fcdaef3e0e63caac90598a7ef7b

    SHA512

    49e683290adac6f74ebec720e823ced2f9b2c6d20151389ffeb4337c6a258d15c213f1bf97cac0b2048fc3b90aeca1820e9c7a3b139e8a8e4852ac65011abffb

  • memory/2104-0-0x000007FEF5B3E000-0x000007FEF5B3F000-memory.dmp

    Filesize

    4KB

  • memory/2104-1-0x00000000005C0000-0x00000000005CC000-memory.dmp

    Filesize

    48KB

  • memory/2104-2-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

    Filesize

    9.6MB

  • memory/2104-3-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

    Filesize

    9.6MB

  • memory/2104-11-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

    Filesize

    9.6MB

  • memory/2276-9-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

    Filesize

    9.6MB

  • memory/2276-10-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

    Filesize

    9.6MB

  • memory/2276-12-0x000007FEF5880000-0x000007FEF621D000-memory.dmp

    Filesize

    9.6MB