Analysis
- max time kernel
150s - max time network
146s - platform
windows10-2004_x64 - resource
win10v2004-20230703-en - resource tags
- submitted
09/08/2023, 02:31
General
- Target aa14a3de7da6af0a3d192c86b8ef79b3.exe
- Size 41KB
- Sample230809-czp35sgf44
- SHA256 8a1640e3f411bfda8da2d5d864f540593c41522ae41fbd2d70c3604541833f69
Malware Config
Extracted
-
smokeloader
-
2022
-
http://77.91.68.29/fks/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 18 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\aa14a3de7da6af0a3d192c86b8ef79b3.exe"C:\Users\Admin\AppData\Local\Temp\aa14a3de7da6af0a3d192c86b8ef79b3.exe"1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\8D28.exeC:\Users\Admin\AppData\Local\Temp\8D28.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\control.exe"C:\Windows\System32\control.exe" .\HIKO7IY.TB2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\system32\rundll32.exe" Shell32.dll,Control_RunDLL .\HIKO7IY.TB3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Windows\system32\RunDll32.exeC:\Windows\system32\RunDll32.exe Shell32.dll,Control_RunDLL .\HIKO7IY.TB4⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\SysWOW64\rundll32.exe" "C:\Windows\SysWOW64\shell32.dll",#44 .\HIKO7IY.TB5⤵
- Loads dropped DLL
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
8D28.exe
8D28.exe
HIKO7IY.TB
HiKo7IY.TB
HiKo7IY.TB
memory/1508-151-0x0000000000400000-0x0000000000643000-memory.dmp
memory/1508-159-0x0000000002FE0000-0x00000000030D1000-memory.dmp
memory/1508-150-0x0000000000D90000-0x0000000000D96000-memory.dmp
memory/1508-158-0x0000000002FE0000-0x00000000030D1000-memory.dmp
memory/1508-154-0x0000000002ED0000-0x0000000002FDC000-memory.dmp
memory/1508-155-0x0000000002FE0000-0x00000000030D1000-memory.dmp
memory/3168-134-0x0000000003010000-0x0000000003026000-memory.dmp
memory/3968-133-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3968-135-0x0000000000400000-0x0000000000409000-memory.dmp
memory/4256-161-0x0000000002DA0000-0x0000000002DA6000-memory.dmp
memory/4256-165-0x0000000003140000-0x000000000324C000-memory.dmp
memory/4256-166-0x0000000003250000-0x0000000003341000-memory.dmp
memory/4256-169-0x0000000003250000-0x0000000003341000-memory.dmp
memory/4256-170-0x0000000003250000-0x0000000003341000-memory.dmp