Analysis
- max time kernel
149s - max time network
130s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
07/11/2026, 18:16
General
- Target Twice-Setup-3.0.0.exe
- Size 17.2MB
- Sample261107-wwxtcsff69
- SHA256 9b9220e43c8cb826689b8a286489d302a7eda685a85061a3e68ac3d23b52d1c7
Malware Config
Signatures
- Creates a file in the Startup directory 1 TTPs 1 IoCs
A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 30 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. 3 IoCs
Inno Setup installer
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Twice-Setup-3.0.0.exe"C:\Users\Admin\AppData\Local\Temp\Twice-Setup-3.0.0.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-230DF1CGLM.tmp\Twice-Setup-3.0.0.tmp"C:\Users\Admin\AppData\Local\Temp\is-230DF1CGLM.tmp\Twice-Setup-3.0.0.tmp" /SL5="$40118,16433506,856064,C:\Users\Admin\AppData\Local\Temp\Twice-Setup-3.0.0.exe"2⤵
- Creates a file in the Startup directory
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Programs\Twice\Twice.exe"C:\Users\Admin\AppData\Local\Programs\Twice\Twice.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
-
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Twice.exe
_imaging.cp314-win_amd64.pyd
_imagingft.cp314-win_amd64.pyd
VCRUNTIME140.dll
_bz2.pyd
_ctypes.pyd
_hashlib.pyd
_lzma.pyd
_queue.pyd
_socket.pyd
_sqlite3.pyd
_ssl.pyd
auto.tcl
cp1252.enc
is-VTJ5DZ02VA.tmp
pkgIndex.tcl
init.tcl
pkgIndex.tcl
package.tcl
tclIndex
tm.tcl
button.tcl
icons.tcl
pkgIndex.tcl
tk.tcl
_tkinter.pyd
_uuid.pyd
_zstd.pyd
base_library.zip
libcrypto-3.dll
libffi-8.dll
libssl-3.dll
python314.dll
sqlite3.dll
tcl86t.dll
msgcat-1.6.1.tm
tk86t.dll
ucrtbase.dll
zlib1.dll
Twice-Setup-3.0.0.tmp
7fd3d429db27f388.sealed
memory/928-7-0x00000000003E0000-0x00000000004C0000-memory.dmp
memory/928-0-0x00000000003E0000-0x00000000004C0000-memory.dmp
memory/928-3229-0x00000000003E0000-0x00000000004C0000-memory.dmp
memory/3380-3144-0x0000000000F30000-0x0000000001424000-memory.dmp
memory/3380-389-0x0000000000F30000-0x0000000001424000-memory.dmp
memory/3380-11-0x0000000000F30000-0x0000000001424000-memory.dmp
memory/3380-8-0x0000000000F30000-0x0000000001424000-memory.dmp
memory/3380-9-0x0000000001580000-0x0000000001581000-memory.dmp
memory/3380-6-0x0000000001580000-0x0000000001581000-memory.dmp
memory/3380-3228-0x0000000000F30000-0x0000000001424000-memory.dmp
memory/5928-3227-0x00000280B4C30000-0x00000280B4C31000-memory.dmp
memory/5928-3240-0x00007FF8D9960000-0x00007FF8D9989000-memory.dmp
memory/5928-3241-0x00000280B4C30000-0x00000280B4C31000-memory.dmp