Analysis
- max time kernel
300s - max time network
121s - platform
windows7_x64 - resource
win7-20231129-en - resource tags
- submitted
25/03/2024, 04:56
General
- Target 758ac87acff34a59c74c6f5a7bbecd3d40718eda78e59eae8a6db4a111d92b2f.exe
- Size 290KB
- Sample240325-fkv8dsbd7x
- SHA256 758ac87acff34a59c74c6f5a7bbecd3d40718eda78e59eae8a6db4a111d92b2f
Malware Config
Extracted
-
smokeloader
-
pub3
Extracted
-
smokeloader
-
2022
-
http://nidoe.org/tmp/index.php
-
http://sodez.ru/tmp/index.php
-
http://uama.com.ua/tmp/index.php
-
http://talesofpirates.net/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 FindShellTrayWindow 2 IoCs
- Suspicious use of SendNotifyMessage 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\758ac87acff34a59c74c6f5a7bbecd3d40718eda78e59eae8a6db4a111d92b2f.exe"C:\Users\Admin\AppData\Local\Temp\758ac87acff34a59c74c6f5a7bbecd3d40718eda78e59eae8a6db4a111d92b2f.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\system32\taskeng.exetaskeng.exe {FEEC7926-1E33-4C21-B1B8-185D5A076B28} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\fttjrcjC:\Users\Admin\AppData\Roaming\fttjrcj2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
fttjrcj
memory/804-14-0x0000000000CB0000-0x0000000000DB0000-memory.dmp
memory/804-15-0x0000000000400000-0x0000000000AF2000-memory.dmp
memory/804-17-0x0000000000400000-0x0000000000AF2000-memory.dmp
memory/1380-4-0x0000000002480000-0x0000000002496000-memory.dmp
memory/1380-16-0x0000000002DA0000-0x0000000002DB6000-memory.dmp
memory/2956-1-0x0000000000BF0000-0x0000000000CF0000-memory.dmp
memory/2956-2-0x0000000000220000-0x000000000022B000-memory.dmp
memory/2956-3-0x0000000000400000-0x0000000000AF2000-memory.dmp
memory/2956-5-0x0000000000400000-0x0000000000AF2000-memory.dmp