Analysis
- max time kernel
150s - max time network
127s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
20/03/2023, 11:31
General
- Target setup.exe
- Size 249KB
- Sample230320-nmp36afc5v
- SHA256 5ae1550d982c796f470292df9afb34df4bdc216c1b09d0b33e99db048f6c908e
Malware Config
Extracted
-
smokeloader
-
sprg
Extracted
-
smokeloader
-
2022
-
http://hoh0aeghwugh2gie.com/
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http://hie7doodohpae4na.com/
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http://aek0aicifaloh1yo.com/
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http://yic0oosaeiy7ahng.com/
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http://wa5zu7sekai8xeih.com/
Signatures
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
- Modifies registry class 2 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 19 IoCs
- Suspicious use of FindShellTrayWindow 2 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
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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⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe1⤵
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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\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
memory/1260-158-0x00000000009D0000-0x00000000009F7000-memory.dmp
memory/1260-177-0x0000000000C00000-0x0000000000C22000-memory.dmp
memory/1260-160-0x00000000009D0000-0x00000000009F7000-memory.dmp
memory/1260-159-0x0000000000C00000-0x0000000000C22000-memory.dmp
memory/1424-178-0x0000000000D80000-0x0000000000D85000-memory.dmp
memory/1424-163-0x0000000000D70000-0x0000000000D79000-memory.dmp
memory/1424-162-0x0000000000D80000-0x0000000000D85000-memory.dmp
memory/1424-161-0x0000000000D70000-0x0000000000D79000-memory.dmp
memory/1556-152-0x0000000000AE0000-0x0000000000AE9000-memory.dmp
memory/1556-153-0x0000000000AF0000-0x0000000000AF5000-memory.dmp
memory/1556-154-0x0000000000AE0000-0x0000000000AE9000-memory.dmp
memory/1556-175-0x0000000000AF0000-0x0000000000AF5000-memory.dmp
memory/2428-148-0x0000000000EF0000-0x0000000000EFB000-memory.dmp
memory/2428-173-0x0000000000F00000-0x0000000000F07000-memory.dmp
memory/2428-146-0x0000000000EF0000-0x0000000000EFB000-memory.dmp
memory/2428-147-0x0000000000F00000-0x0000000000F07000-memory.dmp
memory/2600-135-0x00000000001A0000-0x00000000001B6000-memory.dmp
memory/2988-150-0x00000000012F0000-0x00000000012F9000-memory.dmp
memory/2988-174-0x00000000012F0000-0x00000000012F9000-memory.dmp
memory/2988-151-0x00000000012E0000-0x00000000012EF000-memory.dmp
memory/2988-149-0x00000000012E0000-0x00000000012EF000-memory.dmp
memory/3676-164-0x0000000000F70000-0x0000000000F7B000-memory.dmp
memory/3676-165-0x0000000000F80000-0x0000000000F86000-memory.dmp
memory/3676-166-0x0000000000F70000-0x0000000000F7B000-memory.dmp
memory/3676-179-0x0000000000F80000-0x0000000000F86000-memory.dmp
memory/4216-134-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/4216-136-0x0000000000400000-0x0000000000826000-memory.dmp
memory/4268-176-0x0000000000340000-0x0000000000346000-memory.dmp
memory/4268-157-0x0000000000330000-0x000000000033C000-memory.dmp
memory/4268-156-0x0000000000340000-0x0000000000346000-memory.dmp
memory/4268-155-0x0000000000330000-0x000000000033C000-memory.dmp
memory/4336-171-0x0000000000AF0000-0x0000000000AF8000-memory.dmp
memory/4336-172-0x0000000000AE0000-0x0000000000AEB000-memory.dmp
memory/4336-170-0x0000000000AE0000-0x0000000000AEB000-memory.dmp
memory/4336-181-0x0000000000AF0000-0x0000000000AF8000-memory.dmp
memory/5108-169-0x00000000007C0000-0x00000000007CD000-memory.dmp
memory/5108-168-0x00000000007D0000-0x00000000007D7000-memory.dmp
memory/5108-167-0x00000000007C0000-0x00000000007CD000-memory.dmp
memory/5108-180-0x00000000007D0000-0x00000000007D7000-memory.dmp