Analysis
- max time kernel
147s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/03/2023, 01:51
General
- Target setup.exe
- Size 178KB
- Sample230321-b9tzeaac8v
- SHA256 8305ab139c2ea41d5bad8bbac33a61ec9852e87536f07ec205fd130ad7d0652e
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.
- Modifies registry class 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: GetForegroundWindowSpam 1 IoCs
- Suspicious behavior: MapViewOfSection 19 IoCs
- Suspicious use of AdjustPrivilegeToken 2 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
-
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/8-172-0x0000000000350000-0x000000000035B000-memory.dmp
memory/8-171-0x0000000000360000-0x0000000000368000-memory.dmp
memory/8-181-0x0000000000360000-0x0000000000368000-memory.dmp
memory/8-170-0x0000000000350000-0x000000000035B000-memory.dmp
memory/264-149-0x00000000005D0000-0x00000000005DF000-memory.dmp
memory/264-150-0x00000000005E0000-0x00000000005E9000-memory.dmp
memory/264-151-0x00000000005D0000-0x00000000005DF000-memory.dmp
memory/264-174-0x00000000005E0000-0x00000000005E9000-memory.dmp
memory/320-148-0x0000000001120000-0x000000000112B000-memory.dmp
memory/320-147-0x0000000001130000-0x0000000001137000-memory.dmp
memory/320-146-0x0000000001120000-0x000000000112B000-memory.dmp
memory/320-173-0x0000000001130000-0x0000000001137000-memory.dmp
memory/684-135-0x00000000026A0000-0x00000000026B6000-memory.dmp
memory/1184-177-0x00000000005A0000-0x00000000005C2000-memory.dmp
memory/1184-158-0x0000000000570000-0x0000000000597000-memory.dmp
memory/1184-159-0x00000000005A0000-0x00000000005C2000-memory.dmp
memory/1184-160-0x0000000000570000-0x0000000000597000-memory.dmp
memory/1372-164-0x0000000001120000-0x000000000112B000-memory.dmp
memory/1372-179-0x0000000001130000-0x0000000001136000-memory.dmp
memory/1372-166-0x0000000001120000-0x000000000112B000-memory.dmp
memory/1372-165-0x0000000001130000-0x0000000001136000-memory.dmp
memory/1744-161-0x0000000001040000-0x0000000001049000-memory.dmp
memory/1744-162-0x0000000001050000-0x0000000001055000-memory.dmp
memory/1744-178-0x0000000001050000-0x0000000001055000-memory.dmp
memory/1744-163-0x0000000001040000-0x0000000001049000-memory.dmp
memory/2468-156-0x0000000000D40000-0x0000000000D46000-memory.dmp
memory/2468-176-0x0000000000D40000-0x0000000000D46000-memory.dmp
memory/2468-155-0x0000000000D30000-0x0000000000D3C000-memory.dmp
memory/2468-157-0x0000000000D30000-0x0000000000D3C000-memory.dmp
memory/2892-153-0x0000000000350000-0x0000000000355000-memory.dmp
memory/2892-154-0x0000000000340000-0x0000000000349000-memory.dmp
memory/2892-175-0x0000000000350000-0x0000000000355000-memory.dmp
memory/2892-152-0x0000000000340000-0x0000000000349000-memory.dmp
memory/2920-134-0x00000000001F0000-0x00000000001F9000-memory.dmp
memory/2920-136-0x0000000000400000-0x00000000004AD000-memory.dmp
memory/3364-169-0x0000000000490000-0x000000000049D000-memory.dmp
memory/3364-168-0x00000000004A0000-0x00000000004A7000-memory.dmp
memory/3364-167-0x0000000000490000-0x000000000049D000-memory.dmp
memory/3364-180-0x00000000004A0000-0x00000000004A7000-memory.dmp