Analysis
- max time kernel
56s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231222-en - resource tags
- submitted
01/02/2024, 08:25
General
- Target 3a658a682d7961b370dde9b8e65aba80.exe
- Size 227KB
- Sample240201-kbabsahdcm
- SHA256 cd9dfd76dbfc11d9c6dd279b346cca489591b551bba392ade52486ee95918430
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2022
-
http://gxutc2c.com/tmp/index.php
-
http://proekt8.ru/tmp/index.php
-
http://mth.com.ua/tmp/index.php
-
http://pirateking.online/tmp/index.php
-
http://piratia.pw/tmp/index.php
-
http://go-piratia.ru/tmp/index.php
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Deletes itself 1 IoCs
- Drops startup file 1 IoCs
- Executes dropped EXE 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Program crash 1 IoCs
- 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: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 6 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\3a658a682d7961b370dde9b8e65aba80.exe"C:\Users\Admin\AppData\Local\Temp\3a658a682d7961b370dde9b8e65aba80.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\198E.exeC:\Users\Admin\AppData\Local\Temp\198E.exe1⤵
- Drops startup file
- Executes dropped EXE
- 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:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4724 -s 6362⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4724 -ip 47241⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
198E.exe
198E.exe
SmartClock.exe
SmartClock.exe
SmartClock.exe
memory/2616-2-0x0000000000590000-0x000000000059B000-memory.dmp
memory/2616-1-0x00000000007C0000-0x00000000008C0000-memory.dmp
memory/2616-5-0x0000000000400000-0x000000000043E000-memory.dmp
memory/2616-3-0x0000000000400000-0x000000000043E000-memory.dmp
memory/3452-4-0x0000000002710000-0x0000000002726000-memory.dmp
memory/4724-16-0x0000000002CF0000-0x0000000002DF0000-memory.dmp
memory/4724-17-0x0000000004790000-0x0000000004821000-memory.dmp
memory/4724-26-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/4724-27-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/4724-28-0x0000000004790000-0x0000000004821000-memory.dmp
memory/5036-29-0x0000000002E30000-0x0000000002F30000-memory.dmp
memory/5036-30-0x0000000000400000-0x0000000002B72000-memory.dmp
memory/5036-33-0x0000000002E30000-0x0000000002F30000-memory.dmp