Analysis
- max time kernel
150s - max time network
148s - platform
windows7_x64 - resource
win7-en-20211014 - submitted
16/11/2021, 04:31
General
- Target 8705c5d7e60a14a519f662913494d624.exe
- Size 219KB
- Sample211116-e5dneaccg2
- SHA256 a6c90b4cf3dac72a1cf401cd8995b5e8a7e11b38efb76ba1c06af7867683d76d
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/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 2 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 3 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 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\8705c5d7e60a14a519f662913494d624.exe"C:\Users\Admin\AppData\Local\Temp\8705c5d7e60a14a519f662913494d624.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\F557.exeC:\Users\Admin\AppData\Local\Temp\F557.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
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/1088-75-0x0000000000400000-0x00000000027E6000-memory.dmp
memory/1088-73-0x0000000000220000-0x00000000002A0000-memory.dmp
memory/1392-59-0x00000000026B0000-0x00000000026C6000-memory.dmp
memory/1468-64-0x0000000004070000-0x0000000004101000-memory.dmp
memory/1468-62-0x0000000002860000-0x00000000028E0000-memory.dmp
memory/1468-72-0x0000000000400000-0x00000000027E6000-memory.dmp
memory/1648-55-0x0000000076241000-0x0000000076243000-memory.dmp
memory/1648-58-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1648-56-0x0000000000220000-0x0000000000228000-memory.dmp
memory/1648-57-0x0000000000240000-0x0000000000249000-memory.dmp