Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260513-en - resource tags
- submitted
29/05/2026, 06:37
General
- Target a1b898b752884e8065586984e3df9beef639274e5cec658b173fe04e357e4285.exe
- Size 2.7MB
- Sample260529-hdvdmaes2j
- SHA256 a1b898b752884e8065586984e3df9beef639274e5cec658b173fe04e357e4285
Malware Config
Signatures
- Executes dropped EXE 2 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in Program Files directory 10 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 4 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. 3 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\a1b898b752884e8065586984e3df9beef639274e5cec658b173fe04e357e4285.exe"C:\Users\Admin\AppData\Local\Temp\a1b898b752884e8065586984e3df9beef639274e5cec658b173fe04e357e4285.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\weytwmiaag.exe" /VERYSILENT2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\weytwmiaag.exe"C:\Users\Admin\AppData\Local\Temp\weytwmiaag.exe" /VERYSILENT3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\is-725M2.tmp\weytwmiaag.tmp"C:\Users\Admin\AppData\Local\Temp\is-725M2.tmp\weytwmiaag.tmp" /SL5="$B005E,232785,54272,C:\Users\Admin\AppData\Local\Temp\weytwmiaag.exe" /VERYSILENT4⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
weytwmiaag.tmp
weytwmiaag.exe
memory/3996-0-0x0000000000CC0000-0x0000000000F6D000-memory.dmp
memory/3996-1-0x0000000010000000-0x0000000010298000-memory.dmp
memory/4412-9-0x000000000040D000-0x000000000040E000-memory.dmp
memory/4412-10-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4412-43-0x0000000000400000-0x0000000000414000-memory.dmp
memory/4608-16-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/4608-22-0x0000000000400000-0x00000000004F4000-memory.dmp
memory/4608-42-0x0000000000400000-0x00000000004F4000-memory.dmp