Analysis
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max time kernel
152s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
07-10-2023 17:19
General
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Target
NEAS.42e4b6f6bc72a439b91ded64514dd5988f52fe8b9b48130174f1096b3532ffe6_JC.exe
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Size
281KB
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MD5
7365c3c591a4912ecfffedcb637c99a2
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SHA1
448f8fbeba108219537304930361e6e965b75c38
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SHA256
42e4b6f6bc72a439b91ded64514dd5988f52fe8b9b48130174f1096b3532ffe6
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SHA512
ce055c375befeb98787c5b144943c19e911a8442f63dd3134da83d417cdc9ac0b536b4682ff15c3df96e2b82a91bf68cc95968be51271c0c7ddb07c34350dcf0
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SSDEEP
3072:EaVDdi97XLsbWTrC6Y6ilYiORtRESjoFS1J1jfRvh4d0FKQy9fH:3q773q6YXl6zKAJ1jBhnKQy1
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Modifies registry class 3 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: GetForegroundWindowSpam 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 11 IoCs
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Suspicious use of FindShellTrayWindow 2 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
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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
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C:\Users\Admin\AppData\Local\Temp\NEAS.42e4b6f6bc72a439b91ded64514dd5988f52fe8b9b48130174f1096b3532ffe6_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.42e4b6f6bc72a439b91ded64514dd5988f52fe8b9b48130174f1096b3532ffe6_JC.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\NEAS.42e4b6f6bc72a439b91ded64514dd5988f52fe8b9b48130174f1096b3532ffe6_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.42e4b6f6bc72a439b91ded64514dd5988f52fe8b9b48130174f1096b3532ffe6_JC.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe1⤵
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k UnistackSvcGroup1⤵
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
16KB
MD5fc09b0bcf25204012066d51fe5f69371
SHA11e36239cf8a553eeeaeed64007eafc4daa2898c3
SHA256e87e6edfd3bbd9b1cbdb6df7d52a7d7834ba05cb42ef70cac7afb71d3dda7105
SHA512695ab6162e95bdef14d0a623b81aac26cbd025d64ef086186a5465acd3df3793ccc492e240a49f43de902f1443867645032cc0d0b5de502331c8b99e1e6b8614
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Filesize
88KB
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Filesize
84KB
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Filesize
36KB
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Filesize
84KB
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Filesize
36KB
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Filesize
36KB
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Filesize
36KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
64KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB
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Filesize
4KB