Analysis
- max time kernel
150s - max time network
125s - platform
windows7_x64 - resource
win7-en-20211104 - submitted
24/11/2021, 16:57
General
- Target 1f6f686603ba1e0e6d810c21919f0721.exe
- Size 146KB
- Sample211124-vf9mjsdbhr
- SHA256 ceb8ba9bc3ccddeb3c748aee458927ae38eafa2b39047499a9f02653f5fdff72
Malware Config
Extracted
-
smokeloader
-
2020
-
http://membro.at/upload/
-
http://jeevanpunetha.com/upload/
-
http://misipu.cn/upload/
-
http://zavodooo.ru/upload/
-
http://targiko.ru/upload/
-
http://vues3d.com/upload/
-
https://cinems.club/search.php
-
https://clothes.surf/search.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 3 IoCs
- Deletes itself 1 IoCs
- Drops startup file 1 IoCs
- Loads dropped DLL 3 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 4 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1f6f686603ba1e0e6d810c21919f0721.exe"C:\Users\Admin\AppData\Local\Temp\1f6f686603ba1e0e6d810c21919f0721.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\7E44.exeC:\Users\Admin\AppData\Local\Temp\7E44.exe1⤵
- Executes dropped EXE
- Drops startup file
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"C:\Users\Admin\AppData\Roaming\Smart Clock\SmartClock.exe"2⤵
- Executes dropped EXE
- Suspicious behavior: AddClipboardFormatListener
-
-
C:\Users\Admin\AppData\Local\Temp\89ED.exeC:\Users\Admin\AppData\Local\Temp\89ED.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/364-65-0x0000000000220000-0x000000000024B000-memory.dmp
memory/364-66-0x0000000000310000-0x000000000034C000-memory.dmp
memory/364-67-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1160-76-0x0000000000400000-0x000000000044F000-memory.dmp
memory/1376-59-0x0000000002580000-0x0000000002596000-memory.dmp
memory/1376-81-0x0000000004440000-0x0000000004456000-memory.dmp
memory/1512-55-0x00000000753E1000-0x00000000753E3000-memory.dmp
memory/1512-58-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1512-56-0x00000000001B0000-0x00000000001B8000-memory.dmp
memory/1512-57-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/1600-79-0x0000000000230000-0x0000000000239000-memory.dmp
memory/1600-78-0x0000000000220000-0x0000000000228000-memory.dmp
memory/1600-80-0x0000000000400000-0x000000000042C000-memory.dmp