Analysis

  • max time kernel
    56s
  • max time network
    59s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20241211-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    19-12-2024 19:20

General

  • Target

    Remcos Professional Cracked By Alcatraz3222.zip

  • Size

    17.3MB

  • MD5

    ea3fd7407073aae0205a02f10c1f826f

  • SHA1

    aeb5a674da5bbdea4e1b42470e6e059b730b88a6

  • SHA256

    bdb96b7a1a75fa4f56d1b1f922d80f029c12df21df49cbbfd1f2a3175d604195

  • SHA512

    bf69f80a585eed54b599cb5adf285ca0576650b275daef6e502eae2d564906950cb4a13821b67325bc1c2ba0ca6436401f562c279cc42d3590e0f8becfec028f

  • SSDEEP

    393216:2+Y8LpIcxbEWd4rSrwcJY2sG1l/TTwizV1iBLzCoa+++OvPrTy:/yMwWqrXc+G1l7TwiRI9z8++TTy

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
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 6 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 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 15 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 16 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 14 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\Remcos Professional Cracked By Alcatraz3222.zip"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2136
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4812
    • C:\Users\Admin\Desktop\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe
      "C:\Users\Admin\Desktop\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe"
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1912
      • 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:464
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/Desktop/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:1696
      • 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:4264
        • 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:1340
      • 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:2648
      • 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:3156
        • 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:2076
    • C:\Users\Admin\Desktop\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe
      "C:\Users\Admin\Desktop\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe"
      1⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:724
      • 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 behavior: GetForegroundWindowSpam
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:4608
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c copy "C:/Users/Admin/Desktop/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:4844
      • 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:1644
        • 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:2412
      • 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:4816
      • 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
        PID:3792

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Remcos Professional Cracked By Alcatraz3222.exe.log

      Filesize

      522B

      MD5

      9066e7d7f14951d0434bd3fdfa7ec1ac

      SHA1

      379439bab651ac0160f349aab4f7ab00291e97a3

      SHA256

      e2980ccd6345d55c608ef790e4f95bc2fb53dbaebdd63c24b605ae62653655af

      SHA512

      809041cb1ec626e7efed8e7c091517d3a6b8bb1ed0b934c35a4d3f04df6b3c1c645d6e6f39595d691518dd62cc47620b198a74d4899b9232f0d58bc9123c4dca

    • C:\Users\Admin\AppData\Local\Temp\Profile

      Filesize

      73B

      MD5

      1a32b94bd8d51df35d766b6affdfacfc

      SHA1

      b35ba7f44b350dd9e86c74acfc722ee7373b77ee

      SHA256

      3d464700f406245d63409c36aae1504dd9fb63c784cbf7ae8957052068213937

      SHA512

      9f31cb9b0972efab2ba566acd10e0355acb316b49a8cdb5c3b0787cba9f97670ea592e385182fe143f54a2effb565c1f78083223bc4600cd961bbffc8f01d3bd

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

      Filesize

      229B

      MD5

      c705d9d9732e434b429505ac8405154a

      SHA1

      9d7e3903a2c2ed2ae118982c2ef2bdc9a2c7f85c

      SHA256

      461ca01730541f5405a76bce0a9d7b2314f8104eb0402104f1e80439c3ab4091

      SHA512

      d511a1d264f75e7f9ce0efc7e6fd4ebeefd2e90858b4dbba80b25831f8ef51af95b4b1434fc5a558e8564d6aacd89a7f961eae05572e81feacee8898a4dc5416

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

      Filesize

      1KB

      MD5

      4b51b9859d9f188d0f7aa8acd421ff90

      SHA1

      9679dd0300c17191a0b6ede6246825f42c537851

      SHA256

      423ed75828c477552d7753b5b73ae53b44130a481cf2a4a6ae18dc8586448f4e

      SHA512

      af4255cb26ae59a687a90421a40b023d47a8e76eb08c1f4378ea916413f7fe921dc8855db773b4b9dee5fa313e02e5d0928bc4d6728231ded194f3177803684e

    • 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\taskhost.exe

      Filesize

      256KB

      MD5

      8fdf47e0ff70c40ed3a17014aeea4232

      SHA1

      e6256a0159688f0560b015da4d967f41cbf8c9bd

      SHA256

      ed9884bac608c06b7057037cc91d90e4ae5f74dd2dbce2af476699c6d4492d82

      SHA512

      bd69d092ed4f9c5e1f24eaf5ec79fb316469d53849dc798fae0fcba5e90869b77ee924c23cc6f692198ff25827ab60ad47bb46cadd6e0aadde7731cbafb013be

    • C:\Users\Admin\Desktop\Remcos Professional Cracked By Alcatraz3222\Remcos Professional Cracked By Alcatraz3222.exe

      Filesize

      17.7MB

      MD5

      efc159c7cf75545997f8c6af52d3e802

      SHA1

      b85bd368c91a13db1c5de2326deb25ad666c24c1

      SHA256

      898ac001d0f6c52c1001c640d9860287fdf30a648d580e9f5dd15e2ef84ab18e

      SHA512

      d06a432233dceb731defd53238971699fef201d0f9144ee50e5dd7d6620dfdd6c298d52618bf2c9feb0519574f4565fb0177b00fd8292768fbd8b85dd11e650d

    • C:\Users\Admin\Desktop\Remcos Professional Cracked By Alcatraz3222\Remcos_Settings.ini

      Filesize

      881B

      MD5

      a3468935e33e361cf94f4721ed4cb66d

      SHA1

      c3b19ca8382534b2179940cabede8c6c952a9c06

      SHA256

      b374af58c24b6085f64f979dab434643da39d0267a27975f396473327dc98c7d

      SHA512

      c1caa0b9637a46187d54b2952db204182fad5a5324574949ce4db13bdb17624ccd8b3228eb9b2bcfe5851add2c5d2f586945e7264b1d1cd02d91acf1fd81583a

    • memory/464-35-0x0000000000400000-0x0000000002991000-memory.dmp

      Filesize

      37.6MB

    • memory/464-27-0x0000000002B30000-0x0000000002B31000-memory.dmp

      Filesize

      4KB

    • memory/464-31-0x0000000002CB0000-0x0000000002CB1000-memory.dmp

      Filesize

      4KB

    • memory/464-28-0x0000000002B50000-0x0000000002B51000-memory.dmp

      Filesize

      4KB

    • memory/464-32-0x0000000002CC0000-0x0000000002CC1000-memory.dmp

      Filesize

      4KB

    • memory/464-33-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

      Filesize

      4KB

    • memory/464-34-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

      Filesize

      4KB

    • memory/464-30-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

      Filesize

      4KB

    • memory/464-29-0x0000000002B60000-0x0000000002B61000-memory.dmp

      Filesize

      4KB

    • memory/1912-11-0x00000000747A0000-0x0000000074F51000-memory.dmp

      Filesize

      7.7MB

    • memory/1912-12-0x000000000DCC0000-0x000000000EE42000-memory.dmp

      Filesize

      17.5MB

    • memory/1912-10-0x00000000065D0000-0x000000000666C000-memory.dmp

      Filesize

      624KB

    • memory/1912-45-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/1912-46-0x00000000747A0000-0x0000000074F51000-memory.dmp

      Filesize

      7.7MB

    • memory/1912-9-0x0000000000A70000-0x0000000001C1E000-memory.dmp

      Filesize

      17.7MB

    • memory/1912-8-0x00000000747AE000-0x00000000747AF000-memory.dmp

      Filesize

      4KB

    • memory/1912-50-0x00000000747A0000-0x0000000074F51000-memory.dmp

      Filesize

      7.7MB

    • memory/3156-40-0x0000000000400000-0x000000000040E000-memory.dmp

      Filesize

      56KB

    • memory/3156-48-0x0000000005990000-0x000000000599A000-memory.dmp

      Filesize

      40KB

    • memory/3156-47-0x0000000005A40000-0x0000000005AD2000-memory.dmp

      Filesize

      584KB

    • memory/3156-43-0x0000000005E00000-0x00000000063A6000-memory.dmp

      Filesize

      5.6MB

    • memory/4608-111-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

      Filesize

      4KB

    • memory/4608-112-0x0000000002B10000-0x0000000002B11000-memory.dmp

      Filesize

      4KB

    • memory/4608-113-0x0000000002B20000-0x0000000002B21000-memory.dmp

      Filesize

      4KB

    • memory/4608-114-0x0000000002B50000-0x0000000002B51000-memory.dmp

      Filesize

      4KB

    • memory/4608-115-0x0000000002C70000-0x0000000002C71000-memory.dmp

      Filesize

      4KB

    • memory/4608-116-0x0000000002C80000-0x0000000002C81000-memory.dmp

      Filesize

      4KB

    • memory/4608-117-0x0000000002C90000-0x0000000002C91000-memory.dmp

      Filesize

      4KB

    • memory/4608-118-0x0000000002CA0000-0x0000000002CA1000-memory.dmp

      Filesize

      4KB

    • memory/4608-119-0x0000000000400000-0x0000000002991000-memory.dmp

      Filesize

      37.6MB