Analysis

  • max time kernel
    150s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    13/04/2024, 20:39

General

  • Target

    4389f797ce290f2b270cdb341e519ceab66f40475178cd667663d82d4af3adbf.exe

  • Size

    425KB

  • MD5

    a64155197e86d698360b4d89aeb9b862

  • SHA1

    445055a3e79c38765833045dceaae7b9a760028d

  • SHA256

    4389f797ce290f2b270cdb341e519ceab66f40475178cd667663d82d4af3adbf

  • SHA512

    f8baf13f0d3615896d970b4fe8baa0d8aff4d0975963d8937d2ffd96e66e5a26391f4b6b21bec4cff4f2db9602ae465f635694ef80a47485817ea6f5852a4f81

  • SSDEEP

    12288:WquErHF6xC9D6DmR1J98w4oknqO/CyQftQYqYbLmKT:brl6kD68JmlokQfttqY2KT

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

14 mai generateur xbox

C2

89.94.35.57:1604

Mutex

ef05e501c2e286164abf5fcaa961559f

Attributes
  • reg_key

    ef05e501c2e286164abf5fcaa961559f

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • UPX dump on OEP (original entry point) 16 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • AutoIT Executable 15 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4389f797ce290f2b270cdb341e519ceab66f40475178cd667663d82d4af3adbf.exe
    "C:\Users\Admin\AppData\Local\Temp\4389f797ce290f2b270cdb341e519ceab66f40475178cd667663d82d4af3adbf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1988
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2108
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        PID:2616

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1988-14-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-16-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-30-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-29-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-28-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-27-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-0-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-26-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-3-0x00000000002A0000-0x00000000002A1000-memory.dmp

          Filesize

          4KB

        • memory/1988-24-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-15-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-17-0x00000000002A0000-0x00000000002A1000-memory.dmp

          Filesize

          4KB

        • memory/1988-25-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-19-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-20-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-21-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-22-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/1988-23-0x0000000000060000-0x000000000015F000-memory.dmp

          Filesize

          1020KB

        • memory/2108-12-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/2108-18-0x00000000742A0000-0x000000007484B000-memory.dmp

          Filesize

          5.7MB

        • memory/2108-13-0x00000000742A0000-0x000000007484B000-memory.dmp

          Filesize

          5.7MB

        • memory/2108-11-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/2108-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2108-5-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/2108-4-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB