Analysis
- max time kernel
148s - max time network
126s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
- submitted
18/08/2026, 09:24
General
- Target vflower_v4.exe
- Size 4.7MB
- Sample260818-ldgpbagd36
- SHA256 79f6b4f7f41345c123b789de4f733ff691cdbff3676db9b1836d648c528fe513
Malware Config
Signatures
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 6 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- UPX packed file 3 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Drops file in Program Files directory 3 IoCs
- 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: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\vflower_v4.exe"C:\Users\Admin\AppData\Local\Temp\vflower_v4.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\is-4RSPK.tmp\vflower_v4.tmp"C:\Users\Admin\AppData\Local\Temp\is-4RSPK.tmp\vflower_v4.tmp" /SL5="$60204,4637243,63488,C:\Users\Admin\AppData\Local\Temp\vflower_v4.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
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
bass.dll
innocallback.dll
isgsg.dll
unarc.dll
vflower_v4.bmp
vflower_v4.tmp
memory/4092-43-0x0000000010000000-0x0000000010041000-memory.dmp
memory/4092-46-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/4092-17-0x0000000010000000-0x0000000010041000-memory.dmp
memory/4092-35-0x0000000007500000-0x0000000007531000-memory.dmp
memory/4092-41-0x00000000043B0000-0x00000000044B0000-memory.dmp
memory/4092-42-0x0000000002360000-0x0000000002361000-memory.dmp
memory/4092-69-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/4092-7-0x0000000002360000-0x0000000002361000-memory.dmp
memory/4092-45-0x0000000007500000-0x0000000007531000-memory.dmp
memory/4092-22-0x0000000004390000-0x00000000043A5000-memory.dmp
memory/4092-48-0x0000000004390000-0x00000000043A5000-memory.dmp
memory/4092-49-0x0000000061080000-0x0000000061119000-memory.dmp
memory/4092-52-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/4092-61-0x00000000043B0000-0x00000000044B0000-memory.dmp
memory/4092-63-0x0000000000400000-0x00000000004BF000-memory.dmp
memory/4092-65-0x0000000004390000-0x00000000043A5000-memory.dmp
memory/4488-44-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4488-0-0x0000000000400000-0x0000000000416000-memory.dmp
memory/4488-70-0x0000000000400000-0x0000000000416000-memory.dmp