Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    15/10/2023, 19:49

General

  • Target

    e933200c50ed87ef3215904c3cfe2920_exe32.exe

  • Size

    425KB

  • MD5

    e933200c50ed87ef3215904c3cfe2920

  • SHA1

    bad3bb1e8893109821672db903adb71b2af3b007

  • SHA256

    936a934e72770ce483d26756349d19b97479945e829162d1f53787237b08c666

  • SHA512

    bf9cb20cab6abdab4a9746a31101514bb035df47045457c1a88000f2c3a76c66c377ab48a3c42b582969d29a7e8001d5fb5eb11b71f536d473ad798a1cd8a2c5

  • SSDEEP

    12288:WquErHF6xC9D6DmR1J98w4oknqO/CyQftQYqYbLmK8:brl6kD68JmlokQfttqY2K8

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.

  • Modifies Windows Firewall 1 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\e933200c50ed87ef3215904c3cfe2920_exe32.exe
    "C:\Users\Admin\AppData\Local\Temp\e933200c50ed87ef3215904c3cfe2920_exe32.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1664
    • 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:3012
      • 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:2664

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1664-24-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-25-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-30-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-29-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-28-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-19-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-26-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-20-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-14-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-15-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-16-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/1664-0-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-3-0x0000000000260000-0x0000000000261000-memory.dmp

          Filesize

          4KB

        • memory/1664-27-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-18-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-21-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-22-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/1664-23-0x0000000001280000-0x000000000137F000-memory.dmp

          Filesize

          1020KB

        • memory/3012-17-0x0000000074890000-0x0000000074E3B000-memory.dmp

          Filesize

          5.7MB

        • memory/3012-13-0x0000000074890000-0x0000000074E3B000-memory.dmp

          Filesize

          5.7MB

        • memory/3012-4-0x0000000000090000-0x000000000009C000-memory.dmp

          Filesize

          48KB

        • memory/3012-12-0x0000000000090000-0x000000000009C000-memory.dmp

          Filesize

          48KB

        • memory/3012-11-0x0000000000090000-0x000000000009C000-memory.dmp

          Filesize

          48KB

        • memory/3012-5-0x0000000000090000-0x000000000009C000-memory.dmp

          Filesize

          48KB

        • memory/3012-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB