Analysis
- max time kernel
153s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20221111-en - resource tags
- submitted
24/11/2022, 02:05
General
- Target file.exe
- Size 187KB
- Sample221124-chvmasea2w
- SHA256 a6fda7788aa33a6e5ea70ff2b43be8320dcc761243a0548db73ba92e5e172302
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 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: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 8 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\439C.exeC:\Users\Admin\AppData\Local\Temp\439C.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Users\Admin\AppData\Local\Temp\Uayqupoehp.tmp",Rrptfe2⤵
- Loads dropped DLL
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2608 -ip 26081⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
439C.exe
439C.exe
Uayqupoehp.tmp
Uayqupoehp.tmp
memory/1108-161-0x00000000085D0000-0x00000000085E0000-memory.dmp
memory/1108-158-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-141-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-142-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-143-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-144-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-145-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-146-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-148-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-149-0x0000000002FC0000-0x0000000002FD0000-memory.dmp
memory/1108-151-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-153-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-154-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-139-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-150-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-192-0x00000000034C0000-0x00000000034D0000-memory.dmp
memory/1108-156-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-157-0x00000000085D0000-0x00000000085E0000-memory.dmp
memory/1108-159-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-160-0x00000000085D0000-0x00000000085E0000-memory.dmp
memory/1108-183-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-162-0x00000000085D0000-0x00000000085E0000-memory.dmp
memory/1108-140-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-163-0x00000000085D0000-0x00000000085E0000-memory.dmp
memory/1108-152-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-191-0x00000000034B0000-0x00000000034C0000-memory.dmp
memory/1108-190-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-138-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-189-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-188-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-187-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-186-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-185-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-137-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-136-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-184-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-174-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-175-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-176-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-177-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-178-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-179-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-180-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-181-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1108-182-0x0000000002FA0000-0x0000000002FB0000-memory.dmp
memory/1684-133-0x00000000001C0000-0x00000000001C9000-memory.dmp
memory/1684-135-0x0000000000400000-0x000000000064C000-memory.dmp
memory/1684-134-0x0000000000400000-0x000000000064C000-memory.dmp
memory/1684-132-0x00000000006ED000-0x00000000006FE000-memory.dmp
memory/2608-173-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2608-169-0x0000000000400000-0x000000000071E000-memory.dmp
memory/2608-168-0x0000000002430000-0x0000000002555000-memory.dmp
memory/2608-167-0x00000000021E5000-0x00000000022C7000-memory.dmp