Analysis
- max time kernel
300s - max time network
193s - platform
windows10-1703_x64 - resource
win10-20240221-en - resource tags
- submitted
26/02/2024, 01:56
General
- Target 6fb44872293183a00b9acdcaf2cee313523611ecf449ecea6f2a198c87ca01ec.exe
- Size 244KB
- Sample240226-ccw8yaaa86
- SHA256 6fb44872293183a00b9acdcaf2cee313523611ecf449ecea6f2a198c87ca01ec
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2022
-
http://kamsmad.com/tmp/index.php
-
http://souzhensil.ru/tmp/index.php
-
http://teplokub.com.ua/tmp/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 AdjustPrivilegeToken 2 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\6fb44872293183a00b9acdcaf2cee313523611ecf449ecea6f2a198c87ca01ec.exe"C:\Users\Admin\AppData\Local\Temp\6fb44872293183a00b9acdcaf2cee313523611ecf449ecea6f2a198c87ca01ec.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Roaming\bffvvwbC:\Users\Admin\AppData\Roaming\bffvvwb1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
bffvvwb
memory/2948-1-0x0000000001C30000-0x0000000001D30000-memory.dmp
memory/2948-2-0x0000000001B70000-0x0000000001B7B000-memory.dmp
memory/2948-3-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/2948-5-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/3304-4-0x0000000001060000-0x0000000001076000-memory.dmp
memory/3304-16-0x0000000002B20000-0x0000000002B36000-memory.dmp
memory/4392-14-0x0000000001D60000-0x0000000001E60000-memory.dmp
memory/4392-15-0x0000000000400000-0x0000000001A29000-memory.dmp
memory/4392-19-0x0000000000400000-0x0000000001A29000-memory.dmp