Analysis
- max time kernel
106s - max time network
130s - platform
windows11-21h2_x64 - resource
win11-20250619-en - resource tags
- submitted
09/08/2025, 01:21
General
- Target random.exe
- Size 3.3MB
- Sample250809-bqys9awkz3
- SHA256 9cb2f4a1fc1bc3bd4ca73397789fc0ef9305e42ca539efd8df878ae4fbc2822a
Malware Config
Extracted
-
gcleaner
-
45.91.200.135
Signatures
- GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
- Gcleaner family
- Downloads MZ/PE file 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 1 IoCs
- Suspicious use of SetThreadContext 1 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.
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\random.exe"C:\Users\Admin\AppData\Local\Temp\random.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\svchost015.exeC:\Users\Admin\AppData\Local\Temp\svchost015.exe2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
service[1].htm
svchost015.exe
memory/572-18-0x0000000000FF0000-0x000000000101F000-memory.dmp
memory/572-22-0x0000000010000000-0x000000001001C000-memory.dmp
memory/572-27-0x0000000000FF0000-0x000000000101F000-memory.dmp
memory/572-43-0x0000000000FF0000-0x000000000101F000-memory.dmp
memory/572-47-0x0000000000FF0000-0x000000000101F000-memory.dmp
memory/3484-0-0x00000000025F0000-0x00000000025F1000-memory.dmp
memory/3484-1-0x0000000000475000-0x0000000000476000-memory.dmp
memory/3484-3-0x0000000000400000-0x0000000000754000-memory.dmp