Analysis
- max time kernel
27s - max time network
294s - platform
windows10-1703_x64 - resource
win10-20231220-en - resource tags
- submitted
07/01/2024, 22:23
General
- Target 7c40241263f312f51f94f29c28f094062c088ecc5f6d42d132c60841c04192ea.exe
- Size 202KB
- Sample240107-2ayresgdd7
- SHA256 7c40241263f312f51f94f29c28f094062c088ecc5f6d42d132c60841c04192ea
Malware Config
Extracted
-
smokeloader
-
pub1
Extracted
-
smokeloader
-
2020
-
http://host-file-host6.com/
-
http://host-host-file8.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 3 IoCs
- Suspicious use of SetThreadContext 1 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: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 6 IoCs
- Suspicious use of WriteProcessMemory 15 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\7c40241263f312f51f94f29c28f094062c088ecc5f6d42d132c60841c04192ea.exe"C:\Users\Admin\AppData\Local\Temp\7c40241263f312f51f94f29c28f094062c088ecc5f6d42d132c60841c04192ea.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7c40241263f312f51f94f29c28f094062c088ecc5f6d42d132c60841c04192ea.exe"C:\Users\Admin\AppData\Local\Temp\7c40241263f312f51f94f29c28f094062c088ecc5f6d42d132c60841c04192ea.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4504 -s 4963⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\D08E.exeC:\Users\Admin\AppData\Local\Temp\D08E.exe1⤵
- Executes dropped EXE
-
C:\Users\Admin\AppData\Local\Temp\E204.exeC:\Users\Admin\AppData\Local\Temp\E204.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
- Executes dropped EXE
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/600-24-0x0000000000160000-0x00000000006F6000-memory.dmp
memory/600-28-0x0000000000160000-0x00000000006F6000-memory.dmp
memory/3384-6-0x0000000000CF0000-0x0000000000D06000-memory.dmp
memory/4300-2-0x0000000000450000-0x0000000000550000-memory.dmp
memory/4300-3-0x0000000002020000-0x0000000002029000-memory.dmp
memory/4504-5-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4504-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4504-1-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4504-10-0x0000000000400000-0x0000000000409000-memory.dmp