Analysis
- max time kernel
60s - max time network
60s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
11/03/2024, 05:09
General
- Target bec442ea6db20ffc73c69220ae12fcfca036bda5667c0aedec4560998d89c7f7.exe
- Size 169KB
- Sample240311-fs5f2ach9w
- SHA256 bec442ea6db20ffc73c69220ae12fcfca036bda5667c0aedec4560998d89c7f7
Malware Config
Extracted
-
smokeloader
-
2022
-
http://selebration17io.io/index.php
-
http://vacantion18ffeu.cc/index.php
-
http://valarioulinity1.net/index.php
-
http://buriatiarutuhuob.net/index.php
-
http://cassiosssionunu.me/index.php
-
http://sulugilioiu19.net/index.php
-
http://goodfooggooftool.net/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
-
C:\Users\Admin\AppData\Local\Temp\bec442ea6db20ffc73c69220ae12fcfca036bda5667c0aedec4560998d89c7f7.exe"C:\Users\Admin\AppData\Local\Temp\bec442ea6db20ffc73c69220ae12fcfca036bda5667c0aedec4560998d89c7f7.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\hewsifuC:\Users\Admin\AppData\Roaming\hewsifu1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
hewsifu
memory/2328-1-0x0000000000530000-0x0000000000630000-memory.dmp
memory/2328-2-0x00000000004C0000-0x00000000004CB000-memory.dmp
memory/2328-3-0x0000000000400000-0x0000000000474000-memory.dmp
memory/2328-5-0x0000000000400000-0x0000000000474000-memory.dmp
memory/3412-4-0x00000000020C0000-0x00000000020D6000-memory.dmp
memory/3412-16-0x0000000002110000-0x0000000002126000-memory.dmp
memory/5084-14-0x0000000000510000-0x0000000000610000-memory.dmp
memory/5084-15-0x0000000000400000-0x0000000000474000-memory.dmp
memory/5084-17-0x0000000000400000-0x0000000000474000-memory.dmp