Analysis

  • max time kernel
    99s
  • max time network
    97s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 13:36

General

  • Target

    111.exe

  • Size

    43KB

  • MD5

    84410bdff65c4655bb0660f75b7653c7

  • SHA1

    5898f61a2d76158ac2dc4cb050076f3967825daf

  • SHA256

    3fdd33c095faf1845fb0b87c6636d96bb50dd73e23a21af87b4c454c1d1225b4

  • SHA512

    4a99d58eee58132eae9176ebfe1744358bf9c811a682a1d110d8baea6b615696b0cf43e4ae1144fa6b2da293967862c2c46cf7e92dd6fd70c5871910004cadd0

  • SSDEEP

    384:vZy46NUst+3gUy6jjHK6qEsjtJEzQIij+ZsNO3PlpJKkkjh/TzF7pWnFc/greT0k:RAwQh6/H1ujGuXQ/oj3+L

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

19.ip.gl.ply.gg:8848

Mutex

Windows Update

Attributes
  • reg_key

    Windows Update

  • splitter

    |Hassan|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 19 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\111.exe
    "C:\Users\Admin\AppData\Local\Temp\111.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:1732
    • C:\Users\Admin\AppData\Local\Temp\windlogon.exe
      "C:\Users\Admin\AppData\Local\Temp\windlogon.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3028
      • C:\Windows\SysWOW64\schtasks.exe
        schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
        3⤵
        • Creates scheduled task(s)
        PID:2788
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {721DFBAA-6DD8-4367-96FC-4C828C65D86D} S-1-5-21-481678230-3773327859-3495911762-1000:UIBNQNMA\Admin:Interactive:[1]
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2728
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      C:\Users\Admin\AppData\Local\Temp/Server.exe
      2⤵
      • Executes dropped EXE
      PID:2780
    • C:\Users\Admin\AppData\Local\Temp\Server.exe
      C:\Users\Admin\AppData\Local\Temp/Server.exe
      2⤵
      • Executes dropped EXE
      PID:688
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{06622D85-6856-4460-8DE1-A81921B41C4B}
    1⤵
      PID:2036

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      43KB

      MD5

      84410bdff65c4655bb0660f75b7653c7

      SHA1

      5898f61a2d76158ac2dc4cb050076f3967825daf

      SHA256

      3fdd33c095faf1845fb0b87c6636d96bb50dd73e23a21af87b4c454c1d1225b4

      SHA512

      4a99d58eee58132eae9176ebfe1744358bf9c811a682a1d110d8baea6b615696b0cf43e4ae1144fa6b2da293967862c2c46cf7e92dd6fd70c5871910004cadd0

    • memory/1732-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

      Filesize

      4KB

    • memory/1732-1-0x0000000000E20000-0x0000000000E32000-memory.dmp

      Filesize

      72KB

    • memory/1732-2-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/1732-13-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/2780-19-0x0000000000B70000-0x0000000000B82000-memory.dmp

      Filesize

      72KB

    • memory/3028-10-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/3028-11-0x0000000000C50000-0x0000000000C62000-memory.dmp

      Filesize

      72KB

    • memory/3028-12-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/3028-16-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB

    • memory/3028-20-0x0000000074B80000-0x000000007526E000-memory.dmp

      Filesize

      6.9MB