Analysis
- max time kernel
151s - max time network
139s - platform
windows10_x64 - resource
win10-en-20211014 - 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
- 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 WriteProcessMemory 9 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\C635.exeC:\Users\Admin\AppData\Local\Temp\C635.exe1⤵
- Executes dropped EXE
- Drops startup file
- 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\E40F.exeC:\Users\Admin\AppData\Local\Temp\E40F.exe1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/64-129-0x0000000000400000-0x000000000044F000-memory.dmp
memory/64-128-0x0000000000580000-0x00000000006CA000-memory.dmp
memory/644-122-0x00000000006B0000-0x00000000006DB000-memory.dmp
memory/644-124-0x0000000000400000-0x000000000044F000-memory.dmp
memory/644-123-0x00000000020A0000-0x00000000020DC000-memory.dmp
memory/1752-134-0x0000000000430000-0x000000000057A000-memory.dmp
memory/1752-135-0x0000000000400000-0x000000000042C000-memory.dmp
memory/1752-133-0x0000000000430000-0x000000000057A000-memory.dmp
memory/2196-116-0x00000000006B0000-0x00000000006B9000-memory.dmp
memory/2196-115-0x0000000000510000-0x0000000000518000-memory.dmp
memory/2196-117-0x0000000000400000-0x000000000042C000-memory.dmp
memory/2672-118-0x0000000001250000-0x0000000001266000-memory.dmp
memory/2672-136-0x00000000034F0000-0x0000000003506000-memory.dmp