Analysis
- max time kernel
144s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
27/12/2023, 15:01
General
- Target 12215739230da8a13e0315ce8e95520b.exe
- Size 179KB
- Sample231227-sdvz9sfdcm
- SHA256 b147e01adab38814de93411e47cf77461d9aed0e28bc92410d2aa508fe63175a
Score
10/10
Malware Config
Extracted
Family
-
smokeloader
Botnet
-
pub1
Extracted
Family
-
smokeloader
Version
-
2020
C2
-
http://host-file-host6.com/
-
http://host-host-file8.com/
rc4.i32
rc4.i32
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Deletes itself 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- 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 2 IoCs
- Suspicious use of FindShellTrayWindow 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\12215739230da8a13e0315ce8e95520b.exe"C:\Users\Admin\AppData\Local\Temp\12215739230da8a13e0315ce8e95520b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\12215739230da8a13e0315ce8e95520b.exe"C:\Users\Admin\AppData\Local\Temp\12215739230da8a13e0315ce8e95520b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4568 -s 3283⤵
- Program crash
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4568 -ip 45681⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/800-2-0x00000000009F0000-0x00000000009F9000-memory.dmp
memory/800-1-0x0000000000A10000-0x0000000000B10000-memory.dmp
memory/3468-5-0x0000000002A40000-0x0000000002A56000-memory.dmp
memory/4568-4-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4568-3-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4568-8-0x0000000000400000-0x0000000000409000-memory.dmp