Analysis
- max time kernel
150s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
20/03/2023, 11:11
General
- Target setup.exe
- Size 249KB
- Sample230320-naaspsfb41
- SHA256 9677d7b71fd5ec5f25de3aa4fd698655d237ef7e1a58a382e1eb5051483ea7e9
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.
- 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 19 IoCs
- Suspicious use of AdjustPrivilegeToken 4 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/2188-175-0x0000000000CF0000-0x0000000000CF9000-memory.dmp
memory/2188-162-0x0000000000CF0000-0x0000000000CF9000-memory.dmp
memory/2188-163-0x0000000000BF0000-0x0000000000BFB000-memory.dmp
memory/2188-161-0x0000000000BF0000-0x0000000000BFB000-memory.dmp
memory/2728-152-0x0000000000940000-0x000000000094F000-memory.dmp
memory/2728-171-0x0000000000940000-0x000000000094F000-memory.dmp
memory/2728-151-0x0000000000CE0000-0x0000000000CE9000-memory.dmp
memory/2728-153-0x0000000000CE0000-0x0000000000CE9000-memory.dmp
memory/3052-148-0x0000000000B20000-0x0000000000B2B000-memory.dmp
memory/3052-147-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3052-146-0x0000000000B20000-0x0000000000B2B000-memory.dmp
memory/3052-169-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3160-135-0x00000000030D0000-0x00000000030E6000-memory.dmp
memory/3588-134-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/3588-136-0x0000000000400000-0x0000000000826000-memory.dmp
memory/3856-167-0x00000000007C0000-0x00000000007CB000-memory.dmp
memory/3856-177-0x0000000000BC0000-0x0000000000BCD000-memory.dmp
memory/3856-168-0x00000000007C0000-0x00000000007CB000-memory.dmp
memory/3976-176-0x0000000000BF0000-0x0000000000BFB000-memory.dmp
memory/3976-164-0x0000000000BC0000-0x0000000000BCD000-memory.dmp
memory/3976-165-0x0000000000BF0000-0x0000000000BFB000-memory.dmp
memory/3976-166-0x0000000000BC0000-0x0000000000BCD000-memory.dmp
memory/4152-172-0x0000000000CE0000-0x0000000000CE9000-memory.dmp
memory/4152-155-0x0000000000BA0000-0x0000000000BAC000-memory.dmp
memory/4152-154-0x0000000000BA0000-0x0000000000BAC000-memory.dmp
memory/4368-160-0x0000000000D00000-0x0000000000D05000-memory.dmp
memory/4368-159-0x0000000000CF0000-0x0000000000CF9000-memory.dmp
memory/4368-174-0x0000000000CF0000-0x0000000000CF9000-memory.dmp
memory/4464-156-0x00000000007C0000-0x00000000007E7000-memory.dmp
memory/4464-173-0x0000000000BA0000-0x0000000000BAC000-memory.dmp
memory/4464-157-0x0000000000BA0000-0x0000000000BAC000-memory.dmp
memory/4464-158-0x00000000007C0000-0x00000000007E7000-memory.dmp
memory/4584-150-0x0000000000940000-0x000000000094F000-memory.dmp
memory/4584-170-0x0000000000B20000-0x0000000000B2B000-memory.dmp
memory/4584-149-0x0000000000940000-0x000000000094F000-memory.dmp