Analysis
- max time kernel
300s - max time network
123s - platform
windows7_x64 - resource
win7-20240221-en - resource tags
- submitted
11/03/2024, 00:15
General
- Target 569a7abeb911808ccee637e21462541f36f1c2402885287922d2c988f6f85dbb.exe
- Size 172KB
- Sample240311-akb7mafd2x
- SHA256 569a7abeb911808ccee637e21462541f36f1c2402885287922d2c988f6f85dbb
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 1 IoCs
- Suspicious use of WriteProcessMemory 4 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\569a7abeb911808ccee637e21462541f36f1c2402885287922d2c988f6f85dbb.exe"C:\Users\Admin\AppData\Local\Temp\569a7abeb911808ccee637e21462541f36f1c2402885287922d2c988f6f85dbb.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\taskeng.exetaskeng.exe {716A62B1-A4B4-4CC7-ADD5-14331982AFEF} S-1-5-21-1658372521-4246568289-2509113762-1000:PIRBKNPS\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\utwdfbfC:\Users\Admin\AppData\Roaming\utwdfbf2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
utwdfbf
memory/552-14-0x0000000000640000-0x0000000000740000-memory.dmp
memory/552-15-0x0000000000400000-0x0000000000475000-memory.dmp
memory/552-17-0x0000000000400000-0x0000000000475000-memory.dmp
memory/1256-4-0x0000000002B80000-0x0000000002B96000-memory.dmp
memory/1256-16-0x0000000002930000-0x0000000002946000-memory.dmp
memory/2208-1-0x0000000000570000-0x0000000000670000-memory.dmp
memory/2208-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2208-3-0x0000000000400000-0x0000000000475000-memory.dmp
memory/2208-5-0x0000000000400000-0x0000000000475000-memory.dmp