Analysis
- max time kernel
150s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
26/03/2023, 01:09
General
- Target setup.exe
- Size 273KB
- Sample230326-bhs8sseh87
- SHA256 a1409f24e40fb5a5f190d68d237cfa5bb343e3796902dd09a5cce202a681f2c8
Malware Config
Extracted
-
smokeloader
-
sprg
Extracted
-
smokeloader
-
2022
-
http://hoh0aeghwugh2gie.com/
-
http://hie7doodohpae4na.com/
-
http://aek0aicifaloh1yo.com/
-
http://yic0oosaeiy7ahng.com/
-
http://wa5zu7sekai8xeih.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
- Checks SCSI registry key(s) 3 TTPs 6 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 20 IoCs
- Suspicious use of WriteProcessMemory 33 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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Users\Admin\AppData\Roaming\huuicttC:\Users\Admin\AppData\Roaming\huuictt1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
-
C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe1⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
huuictt
huuictt
memory/776-170-0x0000000000F20000-0x0000000000F2B000-memory.dmp
memory/776-171-0x0000000000F20000-0x0000000000F2B000-memory.dmp
memory/776-182-0x0000000000120000-0x0000000000129000-memory.dmp
memory/960-158-0x0000000000F10000-0x0000000000F1C000-memory.dmp
memory/960-159-0x0000000000F10000-0x0000000000F1C000-memory.dmp
memory/960-180-0x00000000005A0000-0x00000000005A9000-memory.dmp
memory/1036-175-0x0000000000E10000-0x0000000000E1B000-memory.dmp
memory/1036-176-0x0000000000E10000-0x0000000000E1B000-memory.dmp
memory/1036-184-0x00000000004A0000-0x00000000004AD000-memory.dmp
memory/1472-172-0x00000000004A0000-0x00000000004AD000-memory.dmp
memory/1472-183-0x0000000000F20000-0x0000000000F2B000-memory.dmp
memory/1472-174-0x00000000004A0000-0x00000000004AD000-memory.dmp
memory/1472-173-0x0000000000F20000-0x0000000000F2B000-memory.dmp
memory/1520-156-0x0000000000550000-0x000000000055F000-memory.dmp
memory/1520-157-0x00000000005A0000-0x00000000005A9000-memory.dmp
memory/1520-179-0x0000000000550000-0x000000000055F000-memory.dmp
memory/1520-155-0x00000000005A0000-0x00000000005A9000-memory.dmp
memory/3112-164-0x00000000026D0000-0x00000000026E6000-memory.dmp
memory/3112-135-0x0000000000CF0000-0x0000000000D06000-memory.dmp
memory/3536-165-0x0000000000400000-0x0000000002B71000-memory.dmp
memory/3844-153-0x0000000002C80000-0x0000000002C89000-memory.dmp
memory/3844-178-0x0000000002C80000-0x0000000002C89000-memory.dmp
memory/3844-152-0x0000000000550000-0x000000000055F000-memory.dmp
memory/3844-154-0x0000000000550000-0x000000000055F000-memory.dmp
memory/4240-162-0x0000000001200000-0x0000000001227000-memory.dmp
memory/4240-161-0x0000000000F10000-0x0000000000F1C000-memory.dmp
memory/4240-160-0x0000000001200000-0x0000000001227000-memory.dmp
memory/4344-136-0x0000000000400000-0x0000000002B71000-memory.dmp
memory/4344-134-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4952-181-0x0000000001200000-0x0000000001227000-memory.dmp
memory/4952-163-0x0000000000120000-0x0000000000129000-memory.dmp
memory/4952-169-0x0000000000120000-0x0000000000129000-memory.dmp
memory/4952-168-0x0000000001200000-0x0000000001227000-memory.dmp
memory/5060-177-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/5060-151-0x0000000000590000-0x000000000059B000-memory.dmp
memory/5060-149-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/5060-148-0x0000000000590000-0x000000000059B000-memory.dmp