Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    25-05-2024 00:42

General

  • Target

    905dad7e9a57d7569f32b4bb8908f62954c784204f640f650966a5ec5e1338f9.exe

  • Size

    8.7MB

  • MD5

    0ba6892e146f9f39c493a83a90d42a93

  • SHA1

    7c2f6a255d1dfb6a52056a578f4eed82f8343125

  • SHA256

    905dad7e9a57d7569f32b4bb8908f62954c784204f640f650966a5ec5e1338f9

  • SHA512

    4051b974bd9bf1e185903f7057f8d52759430959130015c3d95a25469d31d5ed0d1eefe62683bdce687e6fe24e90174e3f972edec7a2e8c91c788d1af10ad89a

  • SSDEEP

    196608:hCbGPZmVfjsCbGPZmVfjiCbGPZmVfjsCbGPZmVfj2CbGPZmVfjsCbGPZmVfjiCbY:0GmVNGmVrGmVNGmVnGmVNGmVrGmVNGmc

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

jjj

C2

youri.mooo.com:1605

Mutex

e936a10f968ac948cd351c9629dbd36d

Attributes
  • reg_key

    e936a10f968ac948cd351c9629dbd36d

  • splitter

    |'|'|

Signatures

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 26 IoCs

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

  • NTFS ADS 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\905dad7e9a57d7569f32b4bb8908f62954c784204f640f650966a5ec5e1338f9.exe
    "C:\Users\Admin\AppData\Local\Temp\905dad7e9a57d7569f32b4bb8908f62954c784204f640f650966a5ec5e1338f9.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • NTFS ADS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c start C:\PROGRA~3\905DAD~1.TXT
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2340
      • C:\Windows\SysWOW64\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\PROGRA~3\905dad7e9a57d7569f32b4bb8908f62954c784204f640f650966a5ec5e1338f9.exe.txt
        3⤵
          PID:2128
      • C:\ProgramData\winmgr107.exe
        C:\ProgramData\winmgr107.exe
        2⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • NTFS ADS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2748
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
          0
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2868
          • C:\Windows\SysWOW64\netsh.exe
            netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe" "RegAsm.exe" ENABLE
            4⤵
            • Modifies Windows Firewall
            PID:2440
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2644
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2520
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1700
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1968
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1616
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:776
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1900
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1472
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1568
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2896
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2084
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2956
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1844
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2872
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1120
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2144
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1764
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2300
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:548
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1036
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2864
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1732
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1336
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:344
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:1020
        • C:\Windows\SysWOW64\schtasks.exe
          C:\Windows\SysWOW64\schtasks.exe /create /sc minute /mo 1 /tn "winmgr107.exe" /tr "C:\ProgramData\winmgr107.exe" /f
          3⤵
          • Creates scheduled task(s)
          PID:2924
    • C:\Windows\system32\taskeng.exe
      taskeng.exe {5BB606CA-C854-467B-BD8E-66BA80C7FDDD} S-1-5-21-3691908287-3775019229-3534252667-1000:UOTHCPHQ\Admin:Interactive:[1]
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2156
      • C:\ProgramData\winmgr107.exe
        C:\ProgramData\winmgr107.exe
        2⤵
        • Executes dropped EXE
        • NTFS ADS
        • Suspicious behavior: EnumeratesProcesses
        PID:264
      • C:\ProgramData\winmgr107.exe
        C:\ProgramData\winmgr107.exe
        2⤵
        • Executes dropped EXE
        • NTFS ADS
        • Suspicious behavior: EnumeratesProcesses
        PID:1264

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\PROGRA~3\905dad7e9a57d7569f32b4bb8908f62954c784204f640f650966a5ec5e1338f9.exe.txt

      Filesize

      992B

      MD5

      c8cf7247d4cfc99a7582a42d13df4c08

      SHA1

      317f5588af0b3b6374c436fb00084c522fd78a83

      SHA256

      78bd99781e971622f1573bccf2ae9cdd7a7498cf81c1875afc65913e1083b1d0

      SHA512

      5dd86b7ba388e5d2ad61b1c69589f42c36eec23a04b3cece0941133e0cf0e8a6f1f3aa2242d87af72db725b4b96032dadae72b3be98af3cfce5786ad8c08c357

    • \ProgramData\winmgr107.exe

      Filesize

      8.7MB

      MD5

      6a116503a7f6896f8e12c799cc18444f

      SHA1

      4dd6ea78d8519c49c585f1f77628087a1ba234bb

      SHA256

      d8dfbca44144c0567791d702fc547d1396a0e153cca7279d00cc15f22c070818

      SHA512

      ebc03ca13bb17a1bfe636a9e2db63baa2d1372925956c722356cea43c26501e8dea53a85d10529fd2c56bc9230762451eacedab9f51245c48257f7448446fc73

    • memory/2340-9-0x0000000002570000-0x0000000002670000-memory.dmp

      Filesize

      1024KB

    • memory/2868-27-0x00000000000E0000-0x00000000000EC000-memory.dmp

      Filesize

      48KB

    • memory/2868-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2868-29-0x00000000000E0000-0x00000000000EC000-memory.dmp

      Filesize

      48KB

    • memory/2868-30-0x00000000000E0000-0x00000000000EC000-memory.dmp

      Filesize

      48KB

    • memory/2868-31-0x00000000000E0000-0x00000000000EC000-memory.dmp

      Filesize

      48KB