Analysis
- user interaction
yes - max time kernel
58s - max time network
26s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
22/07/2026, 15:04
General
- Target setup.exe
- Size 3.9MB
- Sample260722-sf27csxdmd
- SHA256 852f9466b03a032b9f178a3b526fedf3707364b47d65652a002dc361d87f3267
Malware Config
Signatures
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 11 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-RJFV7.tmp\setup.tmp"C:\Users\Admin\AppData\Local\Temp\is-RJFV7.tmp\setup.tmp" /SL5="$C0052,3515866,140800,C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-QVHJ7.tmp\FlushFileCache.exe"C:\Users\Admin\AppData\Local\Temp\is-QVHJ7.tmp\FlushFileCache.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
-
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F:\Games\Hollow Knight\unins000.exe"F:\Games\Hollow Knight\unins000.exe" /VERYSILENT3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp"C:\Users\Admin\AppData\Local\Temp\_iu14D2N.tmp" /SECONDPHASE="F:\Games\Hollow Knight\unins000.exe" /FIRSTPHASEWND=$50176 /VERYSILENT4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
BASS.dll
CLS.ini
CallbackCtrl.dll
FlushFileCache.exe
ISDone.dll
MusicButton.png
botva2.dll
idp.dll
innocallback.dll
wintb.dll
setup.tmp
_shfoldr.dll
Hollow Knight.lnk
QuickSFV.EXE
QuickSFV.ini
dxwebsetup.exe
fitgirl.md5
unins000.dat
unins000.exe
memory/3588-166-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4412-152-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4412-151-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4412-165-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-140-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-142-0x0000000007EC0000-0x0000000007F25000-memory.dmp
memory/4464-93-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-106-0x000000000B520000-0x000000000B52F000-memory.dmp
memory/4464-102-0x0000000002690000-0x00000000026A5000-memory.dmp
memory/4464-101-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-87-0x0000000002690000-0x00000000026A5000-memory.dmp
memory/4464-85-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-91-0x000000000B520000-0x000000000B52F000-memory.dmp
memory/4464-137-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-138-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-141-0x0000000002690000-0x00000000026A5000-memory.dmp
memory/4464-143-0x000000006B080000-0x000000006B08D000-memory.dmp
memory/4464-167-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-88-0x0000000007EC0000-0x0000000007F25000-memory.dmp
memory/4464-170-0x0000000002690000-0x00000000026A5000-memory.dmp
memory/4464-171-0x0000000007EC0000-0x0000000007F25000-memory.dmp
memory/4464-89-0x000000006B080000-0x000000006B08D000-memory.dmp
memory/4464-84-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-76-0x000000000B520000-0x000000000B52F000-memory.dmp
memory/4464-67-0x0000000011000000-0x000000001104C000-memory.dmp
memory/4464-32-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-29-0x0000000007EC0000-0x0000000007F25000-memory.dmp
memory/4464-22-0x0000000002690000-0x00000000026A5000-memory.dmp
memory/4464-8-0x0000000000400000-0x0000000000579000-memory.dmp
memory/4464-90-0x0000000011000000-0x000000001104C000-memory.dmp
memory/4464-169-0x0000000000400000-0x0000000000579000-memory.dmp
memory/5008-136-0x0000000000400000-0x0000000000410000-memory.dmp
memory/5076-0-0x0000000000400000-0x000000000042D000-memory.dmp
memory/5076-83-0x0000000000400000-0x000000000042D000-memory.dmp
memory/5076-2-0x000000000041E000-0x000000000041F000-memory.dmp