Analysis
- user interaction
yes - max time kernel
98s - max time network
97s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
03/05/2026, 12:19
General
- Target Setup M1 v2.4.1.exe
- Size 85.7MB
- Sample260503-pg9faacs6l
- SHA256 64bcfb2005e200f9656b7acaac5be79ea4064b91c941184dad9ec99e5bce54db
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 4 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 7 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Inno Setup is an open-source installation builder for Windows applications. 1 IoCs
Inno Setup installer
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Setup M1 v2.4.1.exe"C:\Users\Admin\AppData\Local\Temp\Setup M1 v2.4.1.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-TVA8S.tmp\Setup M1 v2.4.1.tmp"C:\Users\Admin\AppData\Local\Temp\is-TVA8S.tmp\Setup M1 v2.4.1.tmp" /SL5="$80286,89474225,121344,C:\Users\Admin\AppData\Local\Temp\Setup M1 v2.4.1.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
-
-
C:\Windows\System32\rundll32.exeC:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding1⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Setup M1 v2.4.1.tmp
ISSKINU.DLL
R2RINNO.dll
SKIN.CJSTYLES
memory/4584-5-0x0000000002510000-0x0000000002511000-memory.dmp
memory/4584-13-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-25-0x0000000075530000-0x00000000755AA000-memory.dmp
memory/4584-35-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-36-0x00000000769E0000-0x0000000076AC3000-memory.dmp
memory/4584-34-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-33-0x0000000076800000-0x0000000076825000-memory.dmp
memory/4584-37-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-51-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-53-0x0000000075140000-0x00000000751B4000-memory.dmp
memory/4584-79-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-78-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-76-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-75-0x00000000742F0000-0x0000000074412000-memory.dmp
memory/4584-74-0x0000000075140000-0x00000000751B4000-memory.dmp
memory/4584-73-0x0000000075EC0000-0x0000000075F6F000-memory.dmp
memory/4584-71-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-70-0x00000000769E0000-0x0000000076AC3000-memory.dmp
memory/4584-69-0x0000000076690000-0x000000007676C000-memory.dmp
memory/4584-68-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-67-0x00000000742F0000-0x0000000074412000-memory.dmp
memory/4584-66-0x0000000075140000-0x00000000751B4000-memory.dmp
memory/4584-65-0x0000000075EC0000-0x0000000075F6F000-memory.dmp
memory/4584-63-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-62-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-61-0x00000000742F0000-0x0000000074412000-memory.dmp
memory/4584-57-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-59-0x0000000076800000-0x0000000076825000-memory.dmp
memory/4584-58-0x0000000075EC0000-0x0000000075F6F000-memory.dmp
memory/4584-55-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-54-0x00000000742F0000-0x0000000074412000-memory.dmp
memory/4584-52-0x0000000075EC0000-0x0000000075F6F000-memory.dmp
memory/4584-49-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-48-0x00000000742F0000-0x0000000074412000-memory.dmp
memory/4584-47-0x0000000075140000-0x00000000751B4000-memory.dmp
memory/4584-80-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-77-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-72-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-64-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-43-0x00000000769E0000-0x0000000076AC3000-memory.dmp
memory/4584-42-0x0000000076690000-0x000000007676C000-memory.dmp
memory/4584-41-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-40-0x00000000742F0000-0x0000000074412000-memory.dmp
memory/4584-39-0x0000000075EC0000-0x0000000075F6F000-memory.dmp
memory/4584-60-0x0000000075140000-0x00000000751B4000-memory.dmp
memory/4584-38-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-56-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-50-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-46-0x0000000075EC0000-0x0000000075F6F000-memory.dmp
memory/4584-45-0x0000000076B60000-0x0000000077113000-memory.dmp
memory/4584-44-0x00000000751C0000-0x00000000753D0000-memory.dmp
memory/4584-32-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-31-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-30-0x00000000744C0000-0x00000000744F0000-memory.dmp
memory/4584-29-0x0000000076800000-0x0000000076825000-memory.dmp
memory/4584-28-0x0000000075530000-0x00000000755AA000-memory.dmp
memory/4584-27-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-26-0x0000000076800000-0x0000000076825000-memory.dmp
memory/4584-24-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-22-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-23-0x0000000075530000-0x00000000755AA000-memory.dmp
memory/4584-21-0x0000000075530000-0x00000000755AA000-memory.dmp
memory/4584-19-0x0000000075530000-0x00000000755AA000-memory.dmp
memory/4584-20-0x0000000010000000-0x0000000010061000-memory.dmp
memory/4584-157-0x0000000002510000-0x0000000002511000-memory.dmp
memory/4716-0-0x0000000000400000-0x0000000000428000-memory.dmp