Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260617-en - resource tags
- submitted
20/06/2026, 04:21
General
- Target _4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.exe
- Size 1.8MB
- Sample260620-ey7b5set7x
- SHA256 4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- System Location Discovery: System Language Discovery 1 TTPs 8 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
- Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\_4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.exe"C:\Users\Admin\AppData\Local\Temp\_4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-G1IBS.tmp\_4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.tmp"C:\Users\Admin\AppData\Local\Temp\is-G1IBS.tmp\_4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.tmp" /SL5="$50226,964116,844800,C:\Users\Admin\AppData\Local\Temp\_4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe"C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /tn "WindowsLockHost" /tr "\"C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe\"" /sc onlogon /rl highest4⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exeC:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /tn "WindowsLockHost" /tr "\"C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe\"" /sc onlogon /rl highest2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe"C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe"1⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /tn "WindowsLockHost" /tr "\"C:\Users\Admin\AppData\Local\ezk3vgcqan\LockAppHost.exe\"" /sc onlogon /rl highest2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
Network
MITRE ATT&CK Enterprise v16
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Scheduled Task
1Replay Monitor
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Downloads
_4779855cc4b61d1a576f0a74f85098d6387c0bf0f1a48eebea229f975bee10a6.tmp
LockAppHost.exe
LockHostingFramework.dll
msiexec.dll
wbem.dll
memory/696-0-0x0000000000F20000-0x0000000000FFD000-memory.dmp
memory/696-32-0x0000000000F20000-0x0000000000FFD000-memory.dmp
memory/1364-38-0x0000000074590000-0x00000000745D2000-memory.dmp
memory/2756-6-0x0000000003540000-0x0000000003541000-memory.dmp
memory/2756-8-0x00000000060D0000-0x0000000006210000-memory.dmp
memory/2756-9-0x00000000060D0000-0x0000000006210000-memory.dmp
memory/2756-29-0x0000000000F40000-0x00000000012AB000-memory.dmp
memory/5236-31-0x00000000024E0000-0x00000000024E2000-memory.dmp
memory/5236-37-0x0000000074590000-0x00000000745D2000-memory.dmp
memory/5236-30-0x0000000002360000-0x0000000002361000-memory.dmp
memory/6072-39-0x0000000074590000-0x00000000745D2000-memory.dmp