Analysis
- max time kernel
41s - max time network
42s - platform
windows10-2004_x64 - resource
win10v2004-20220812-en - resource tags
- submitted
30/09/2022, 01:13
General
- Target file.exe
- Size 142KB
- Sample220930-bk5dvadbfq
- SHA256 2a08cbcf726f90e00640ce519607768baaee55ce3e547c09ec94fda86f1ec0d2
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 1 IoCs
- SmokeLoader
Modular backdoor trojan in use since 2014.
- Downloads MZ/PE file
- Executes dropped EXE 1 IoCs
- 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: MapViewOfSection 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
-
C:\Users\Admin\AppData\Local\Temp\1D1D.exeC:\Users\Admin\AppData\Local\Temp\1D1D.exe1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\agentactivationruntimestarter.exeC:\Windows\system32\agentactivationruntimestarter.exe2⤵
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k AarSvcGroup -p -s AarSvc1⤵
-
C:\Windows\system32\AUDIODG.EXEC:\Windows\system32\AUDIODG.EXE 0x49c 0x4901⤵
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/4408-140-0x00000000023B3000-0x00000000024D5000-memory.dmp
memory/4408-142-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/4408-141-0x00000000024E0000-0x00000000027AE000-memory.dmp
memory/4408-143-0x0000000000400000-0x00000000006DA000-memory.dmp
memory/4816-134-0x0000000000400000-0x0000000000580000-memory.dmp
memory/4816-133-0x0000000000710000-0x0000000000719000-memory.dmp
memory/4816-132-0x0000000000799000-0x00000000007A9000-memory.dmp
memory/4816-135-0x0000000000400000-0x0000000000580000-memory.dmp