Analysis
- max time kernel
154s - max time network
174s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
09/02/2023, 14:01
General
- Target file.exe
- Size 185KB
- Sample230209-rbjnsaef8s
- SHA256 a14f4e87c870e86a85dc1e875537fd515cf10e42ce86698f83f71a5e0beef8e6
Malware Config
Extracted
-
laplas
-
http://45.159.189.105
-
api_key
ad75d4e2e9636ca662a337b6e798d36159f23acfc89bbe9400d0d451bd8d69fd
Signatures
- Detects Smokeloader packer 1 IoCs
- Laplas Clipper
Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
- Program crash 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\4BAF.exeC:\Users\Admin\AppData\Local\Temp\4BAF.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /create /tn "svcupdater" /tr "C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe" /st 00:00 /du 9999:59 /sc once /ri 1 /f2⤵
- Creates scheduled task(s)
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1096 -s 11602⤵
- Program crash
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1096 -ip 10961⤵
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C:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exeC:\Users\Admin\AppData\Roaming\Win32Sync\svcupdater.exe1⤵
- Executes dropped EXE
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
4BAF.exe
4BAF.exe
svcupdater.exe
svcupdater.exe
memory/720-132-0x00000000006FD000-0x0000000000710000-memory.dmp
memory/720-134-0x0000000000400000-0x000000000055E000-memory.dmp
memory/720-133-0x0000000002290000-0x0000000002299000-memory.dmp
memory/720-135-0x0000000000400000-0x000000000055E000-memory.dmp
memory/1096-139-0x000000000051A000-0x0000000000544000-memory.dmp
memory/1096-141-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1096-142-0x000000000051A000-0x0000000000544000-memory.dmp
memory/1096-143-0x0000000000600000-0x0000000000647000-memory.dmp
memory/1096-145-0x000000000051A000-0x0000000000544000-memory.dmp
memory/1096-146-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1096-140-0x0000000000600000-0x0000000000647000-memory.dmp
memory/1816-149-0x0000000000647000-0x0000000000671000-memory.dmp
memory/1816-150-0x0000000000400000-0x000000000047A000-memory.dmp
memory/1816-151-0x0000000000647000-0x0000000000671000-memory.dmp
memory/1816-152-0x0000000000400000-0x000000000047A000-memory.dmp