Analysis
- max time kernel
22s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
10/01/2024, 01:49
General
- Target dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb_dump.exe
- Size 32KB
- Sample240110-b82b4acgc6
- SHA256 f58e57d1015834305e61c7f021794c682ee9174bb3ad6eb189620811fea975a8
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.
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
- Program crash 2 IoCs
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 16 IoCs
- Suspicious use of WriteProcessMemory 3 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\dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb_dump.exe"C:\Users\Admin\AppData\Local\Temp\dd02b4f83462302b06278dea2591a9d32ab4534743f96b44b24d642e55b721fb_dump.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4296 -s 3642⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4296 -ip 42961⤵
-
C:\Users\Admin\AppData\Local\Temp\976D.exeC:\Users\Admin\AppData\Local\Temp\976D.exe1⤵
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 11443⤵
- Program crash
-
-
-
C:\Users\Admin\AppData\Local\Temp\9C60.exeC:\Users\Admin\AppData\Local\Temp\9C60.exe1⤵
-
C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2452 -ip 24521⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1680-61-0x00000000732A0000-0x00000000739B7000-memory.dmp
memory/1680-55-0x00000000732A0000-0x00000000739B7000-memory.dmp
memory/1852-30-0x0000000002820000-0x0000000002821000-memory.dmp
memory/1852-13-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/1852-20-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/1852-19-0x0000000002830000-0x000000000283C000-memory.dmp
memory/1852-18-0x0000000002800000-0x0000000002801000-memory.dmp
memory/1852-17-0x0000000077D64000-0x0000000077D65000-memory.dmp
memory/1852-15-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/1852-14-0x0000000000920000-0x000000000092D000-memory.dmp
memory/1852-11-0x0000000000010000-0x000000000006D000-memory.dmp
memory/1852-29-0x00000000022E0000-0x0000000002346000-memory.dmp
memory/2452-23-0x0000000000460000-0x0000000000894000-memory.dmp
memory/2452-56-0x0000000000C00000-0x0000000000CC4000-memory.dmp
memory/2452-27-0x0000000000C00000-0x0000000000CC4000-memory.dmp
memory/2452-25-0x0000000000C00000-0x0000000000CC4000-memory.dmp
memory/2452-24-0x0000000000C00000-0x0000000000CC4000-memory.dmp
memory/2452-21-0x0000000000460000-0x0000000000894000-memory.dmp
memory/2452-57-0x0000000004430000-0x0000000004432000-memory.dmp
memory/2452-59-0x0000000000460000-0x0000000000893000-memory.dmp
memory/2452-60-0x0000000000C00000-0x0000000000CC4000-memory.dmp
memory/3412-1-0x0000000002A60000-0x0000000002A76000-memory.dmp
memory/3820-36-0x0000000000680000-0x0000000000C16000-memory.dmp
memory/3820-43-0x0000000000680000-0x0000000000C16000-memory.dmp
memory/4296-0-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4296-4-0x0000000000400000-0x0000000000409000-memory.dmp