Analysis
- user interaction
yes - max time kernel
150s - max time network
153s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260710-en - resource tags
- submitted
09/08/2026, 12:33
General
- Target ZapretX.exe
- Size 385KB
- Sample260809-prcjaser2v
- SHA256 cb26314d6fe8a031ccf7bf3300085c3efbe38721e170c76cd462c4fa84f53f46
Malware Config
Signatures
- Modifies WinLogon for persistence 2 TTPs 1 IoCs
- Executes dropped EXE 1 IoCs
- Enumerates connected drives 3 TTPs 46 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Looks up external IP address via web service 1 TTPs 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Drops file in Program Files directory 3 IoCs
- Drops file in Windows directory 4 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 2 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of AdjustPrivilegeToken 7 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\ZapretX.exe"C:\Users\Admin\AppData\Local\Temp\ZapretX.exe"1⤵
- Modifies WinLogon for persistence
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SYSTEM32\CMD.exe"CMD" netsh advfirewall firewall add rule name="hKEwRd+VREM}R&" dir=in action=allow program="C:\Windows\zapret-hlauncher" enable=yes & exit2⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\zapret-hlauncher" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 1 /tn "Microsoft\Windows\WAppCrashNvTew" /tr "C:\Windows\zapret-hlauncher" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\SYSTEM32\cmd.exe"cmd" /c schtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Program Files\zapret-hlauncher" /RL HIGHEST & exit2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\schtasks.exeschtasks /create /f /sc minute /mo 30 /tn "Microsoft\MachineCore" /tr "C:\Program Files\zapret-hlauncher" /RL HIGHEST3⤵
- Scheduled Task/Job: Scheduled Task
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k GPSvcGroup1⤵
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C:\Program Files (x86)\Windows Media Player\wmplayer.exe"C:\Program Files (x86)\Windows Media Player\wmplayer.exe" /Play -Embedding1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\unregmp2.exe"C:\Windows\System32\unregmp2.exe" /AsyncFirstLogon2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\unregmp2.exe"C:\Windows\SysNative\unregmp2.exe" /AsyncFirstLogon /REENTRANT3⤵
- Enumerates connected drives
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 5762⤵
- Program crash
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C:\Windows\zapret-hlauncher"C:\Windows\zapret-hlauncher"1⤵
- Executes dropped EXE
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s upnphost1⤵
- Drops file in Windows directory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 392 -p 4776 -ip 47761⤵
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1Windows Command Shell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Winlogon Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
Loading Replay Monitor...
Downloads
CurrentDatabase_400.wmdb
CurrentDatabase_400.wmdb
WMSDKNS.XML.bak
wmsetup.log
74d7f43c1561fc1e.customDestinations-ms
74d7f43c1561fc1e.customDestinations-ms
memory/4112-64-0x00000000017A0000-0x00000000017CD000-memory.dmp
memory/4112-4-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-8-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-9-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-10-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-11-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-1-0x00007FFE1B8FF000-0x00007FFE1B900000-memory.dmp
memory/4112-65-0x000000001CB90000-0x000000001CC3E000-memory.dmp
memory/4112-66-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-6-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-5-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-7-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-0-0x0000000000E40000-0x0000000000EA6000-memory.dmp
memory/4112-3-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4112-2-0x00007FFE1B770000-0x00007FFE1C114000-memory.dmp
memory/4528-120-0x0000000002A10000-0x0000000002A3D000-memory.dmp
memory/4776-104-0x0000000008140000-0x0000000008150000-memory.dmp
memory/4776-108-0x0000000008140000-0x0000000008150000-memory.dmp
memory/4776-107-0x0000000008140000-0x0000000008150000-memory.dmp
memory/4776-105-0x0000000008140000-0x0000000008150000-memory.dmp
memory/4776-102-0x0000000007EB0000-0x0000000007EC0000-memory.dmp