Analysis
- max time kernel
150s - max time network
123s - platform
windows7_x64 - resource
win7-20230712-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
- Deletes itself 1 IoCs
- Executes dropped EXE 1 IoCs
- Loads dropped DLL 8 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 1 IoCs
- Suspicious use of WriteProcessMemory 26 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\CCF0.exeC:\Users\Admin\AppData\Local\Temp\CCF0.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
CCF0.exe
CCF0.exe
HIKO7IY.TB
HiKo7IY.TB
HiKo7IY.TB
HiKo7IY.TB
HiKo7IY.TB
HiKo7IY.TB
HiKo7IY.TB
HiKo7IY.TB
HiKo7IY.TB
memory/1232-55-0x0000000002990000-0x00000000029A6000-memory.dmp
memory/1672-90-0x0000000002160000-0x00000000023A3000-memory.dmp
memory/1672-100-0x0000000002A00000-0x0000000002AF1000-memory.dmp
memory/1672-99-0x0000000002A00000-0x0000000002AF1000-memory.dmp
memory/1672-96-0x0000000002A00000-0x0000000002AF1000-memory.dmp
memory/1672-95-0x00000000028F0000-0x00000000029FC000-memory.dmp
memory/1672-91-0x0000000002160000-0x00000000023A3000-memory.dmp
memory/2484-56-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2484-54-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2800-85-0x0000000002A20000-0x0000000002B11000-memory.dmp
memory/2800-84-0x0000000002A20000-0x0000000002B11000-memory.dmp
memory/2800-74-0x0000000002320000-0x0000000002563000-memory.dmp
memory/2800-81-0x0000000002A20000-0x0000000002B11000-memory.dmp
memory/2800-80-0x0000000002910000-0x0000000002A1C000-memory.dmp
memory/2800-75-0x00000000001B0000-0x00000000001B6000-memory.dmp
memory/2800-76-0x0000000002320000-0x0000000002563000-memory.dmp