Resubmissions

21/02/2025, 18:31

250221-w6e2asxpbm 10

21/02/2025, 17:35

250221-v6f3xswrbm 10

Analysis

  • max time kernel
    312s
  • max time network
    312s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250217-en
  • resource tags

    arch:x64arch:x86image:win11-20250217-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/02/2025, 17:35

General

  • Target

    Remcos Professional Cracked By Alcatraz3222/Remcos Professional Cracked By Alcatraz3222.exe

  • Size

    17.7MB

  • MD5

    efc159c7cf75545997f8c6af52d3e802

  • SHA1

    b85bd368c91a13db1c5de2326deb25ad666c24c1

  • SHA256

    898ac001d0f6c52c1001c640d9860287fdf30a648d580e9f5dd15e2ef84ab18e

  • SHA512

    d06a432233dceb731defd53238971699fef201d0f9144ee50e5dd7d6620dfdd6c298d52618bf2c9feb0519574f4565fb0177b00fd8292768fbd8b85dd11e650d

  • SSDEEP

    393216:GYuGvp8EHb+in8f4Zg41+Q4AXf5ZZcyfHDMxVpSc+q+eOFxdx:3mqSi8fN4sAXfrZcyfo7p0eYHx

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

dllsys.duckdns.org:3202

Mutex

3b570ffeeb3d34249b9a5ce0ee58a328

Attributes
  • reg_key

    3b570ffeeb3d34249b9a5ce0ee58a328

  • splitter

    svchost

Signatures

  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 1 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.

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe
    "C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4612
    • C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222.exe
      "C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/AppData/Local/Temp/Remcos Professional Cracked By Alcatraz3222/Remcos Professional Cracked By Alcatraz3222.exe" "%temp%\Profile Remcos\Update_Lock_Remcos.exe" /Y
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1528
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "%temp%\Profile Remcos\Update_Lock_Remcos.exe.lnk" /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3700
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Windows" /v Load /t REG_SZ /d "C:\Users\Admin\AppData\Local\Temp\Profile Remcos\Update_Lock_Remcos.exe.lnk" /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3880
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c echo [zoneTransfer]ZoneID = 2 > %temp%\Profile Remcos\Update_Lock_Remcos.exe:Zone.Identifier
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2080
    • C:\Users\Admin\AppData\Local\Temp\taskhost.exe
      "C:\Users\Admin\AppData\Local\Temp\taskhost.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1176
      • C:\Windows\SysWOW64\netsh.exe
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\taskhost.exe" "taskhost.exe" ENABLE
        3⤵
        • Modifies Windows Firewall
        • Event Triggered Execution: Netsh Helper DLL
        • System Location Discovery: System Language Discovery
        PID:1420
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:4868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

    Filesize

    23KB

    MD5

    c9bcf62c3583c83bd89b539453ec5379

    SHA1

    205ec3512eb1814a49aab4c5532bb36b4bb9625b

    SHA256

    b255ee3805deddb25cd1a56eeb6386b38761ab0fb53dc58f83e974dc04ab5a64

    SHA512

    769479f4a0f1d75abdafaaa2ccb8ccfce1deb9861f1e49e8831d5ff315772f68e638eb8f57b5425a9cc0df0ad97260a4890eb9d4dda1f4f320a1cd599c5df9df

  • C:\Users\Admin\AppData\Local\Temp\Profile Remcos\Update_Lock_Remcos.exe

    Filesize

    17.7MB

    MD5

    efc159c7cf75545997f8c6af52d3e802

    SHA1

    b85bd368c91a13db1c5de2326deb25ad666c24c1

    SHA256

    898ac001d0f6c52c1001c640d9860287fdf30a648d580e9f5dd15e2ef84ab18e

    SHA512

    d06a432233dceb731defd53238971699fef201d0f9144ee50e5dd7d6620dfdd6c298d52618bf2c9feb0519574f4565fb0177b00fd8292768fbd8b85dd11e650d

  • C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222.exe

    Filesize

    17.4MB

    MD5

    c3c21fa4c2186deb641455482ab0d3aa

    SHA1

    2f4b49e8383e073ccb965943ce970de403412567

    SHA256

    4ea203509d0fdff3e31f976413c546ca3d36133bc708e9a1301860961cc3a8d9

    SHA512

    31db2963f1bd49f7b4a6ee38e54940d20120d6c05ef7bf34ec97eb93051bee6d5428e9e1271e4ae8f5544b824188ac7278315e2e2c27be302a312eebbf8c3fb7

  • C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222\Remcos_Settings.ini

    Filesize

    881B

    MD5

    801322672f51d0b9bab969026047c130

    SHA1

    610d13c98c20a9bdcf5cc787c58d23ae6d8b0220

    SHA256

    5070eb70dd77869a4e9c023c10941a6588d8caee80fc3ab26c126f1a6e27ffe3

    SHA512

    4e5b15710f602abcee4d709921cb8c39f7f4b84faa99bdb8b979e02d9a6e9f144e275804c059a8e1bf632e81a0dcbed263da4d4ddec98c8c9f159921a7d541c0

  • C:\Users\Admin\AppData\Local\Temp\taskhost.exe

    Filesize

    256KB

    MD5

    d10a3cfcc08aae3a7234498f213cf89e

    SHA1

    ccae4469a3a05fcb6e7af33019ca5357e5406dda

    SHA256

    0da56bd07a486818b7735761001cc1d3ca5af645f369a3c206bcb6719fefff06

    SHA512

    90a4a68b45113360d732ccac7698c74aa550c05d9883d287b808982800fce1a24abf69cf06b0f017babd647cafd3ca10aa894c59e6dab8ba1ff34c639bdf6427

  • memory/1176-92-0x0000000005630000-0x000000000563A000-memory.dmp

    Filesize

    40KB

  • memory/1176-91-0x0000000005680000-0x0000000005712000-memory.dmp

    Filesize

    584KB

  • memory/1176-85-0x0000000005B50000-0x00000000060F6000-memory.dmp

    Filesize

    5.6MB

  • memory/1176-82-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/3744-18-0x0000000002F40000-0x0000000002F41000-memory.dmp

    Filesize

    4KB

  • memory/3744-90-0x0000000000762000-0x000000000181E000-memory.dmp

    Filesize

    16.7MB

  • memory/3744-21-0x0000000002F90000-0x0000000002F91000-memory.dmp

    Filesize

    4KB

  • memory/3744-20-0x0000000002F80000-0x0000000002F81000-memory.dmp

    Filesize

    4KB

  • memory/3744-19-0x0000000002F70000-0x0000000002F71000-memory.dmp

    Filesize

    4KB

  • memory/3744-22-0x0000000000762000-0x000000000181E000-memory.dmp

    Filesize

    16.7MB

  • memory/3744-25-0x0000000000400000-0x0000000002991000-memory.dmp

    Filesize

    37.6MB

  • memory/3744-23-0x0000000002FB0000-0x0000000002FB1000-memory.dmp

    Filesize

    4KB

  • memory/3744-24-0x0000000002FC0000-0x0000000002FC1000-memory.dmp

    Filesize

    4KB

  • memory/3744-17-0x0000000002F30000-0x0000000002F31000-memory.dmp

    Filesize

    4KB

  • memory/3744-16-0x0000000002BD0000-0x0000000002BD1000-memory.dmp

    Filesize

    4KB

  • memory/4612-0-0x00000000751CE000-0x00000000751CF000-memory.dmp

    Filesize

    4KB

  • memory/4612-88-0x00000000751CE000-0x00000000751CF000-memory.dmp

    Filesize

    4KB

  • memory/4612-89-0x00000000751C0000-0x0000000075971000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-4-0x000000000D7C0000-0x000000000E942000-memory.dmp

    Filesize

    17.5MB

  • memory/4612-3-0x00000000751C0000-0x0000000075971000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-2-0x00000000060A0000-0x000000000613C000-memory.dmp

    Filesize

    624KB

  • memory/4612-94-0x00000000751C0000-0x0000000075971000-memory.dmp

    Filesize

    7.7MB

  • memory/4612-1-0x00000000003A0000-0x000000000154E000-memory.dmp

    Filesize

    17.7MB