Analysis
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max time kernel
151s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
13/10/2023, 16:22
General
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Target
NEAS.NEASNEAS1ef006bb0944d57bf596cd6aab1ddfb5da85aae577092c01b7ab3f465dbc9fcdexeexeexe_JC.exe
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Size
2.5MB
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MD5
1c005ad11650b463fbb2a3cd2429c422
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SHA1
283c41cdebe89bdb6c859f877fffd5448fa81c54
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SHA256
1ef006bb0944d57bf596cd6aab1ddfb5da85aae577092c01b7ab3f465dbc9fcd
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SHA512
95a59726f1c78272a010a16e701c2fb9ed30f7e3497505dc498d43ba8bb727555d9f9422a23ef2ef28fbe50b7a6679d0b7885b24c797427df640e2474c4b2ea8
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SSDEEP
24576:BkUpFxaQT/FTwvzSI15ZlA4B6UM8Mu2RcfCrkEh91UbHZJ5GaGl6HHSc/xfvvOoI:BdcETCp5FKfFM3XHHPAXRloP
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://wirtshauspost.at/tmp/
http://msktk.ru/tmp/
http://soetegem.com/tmp/
http://gromograd.ru/tmp/
http://talesofpirates.net/tmp/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE 1 IoCs
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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Adds Run key to start application 2 TTPs 1 IoCs
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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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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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 behavior: RenamesItself 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 3 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.
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS1ef006bb0944d57bf596cd6aab1ddfb5da85aae577092c01b7ab3f465dbc9fcdexeexeexe_JC.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.NEASNEAS1ef006bb0944d57bf596cd6aab1ddfb5da85aae577092c01b7ab3f465dbc9fcdexeexeexe_JC.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Identifies Wine through registry keys
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
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C:\Users\Admin\AppData\Local\Temp\Update.exe"C:\Users\Admin\AppData\Local\Temp\Update.exe"2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
238KB
MD5c36009a11d03b61f6f92a38cb67698d3
SHA135a182127e0d187c61a84f4339ea73a4d5fb4a24
SHA2564242a5519cd21cef98a32bb6f7544091fbca706130299b53d00e825d4c65c007
SHA512f6204548bc40dfe930e98e197a1b2a09480333e87508e1328b624047e44b49d9c151061df8392be44aaef17ccdde505969cef05a06f222676ae40a74f203373e
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Filesize
238KB
MD5c36009a11d03b61f6f92a38cb67698d3
SHA135a182127e0d187c61a84f4339ea73a4d5fb4a24
SHA2564242a5519cd21cef98a32bb6f7544091fbca706130299b53d00e825d4c65c007
SHA512f6204548bc40dfe930e98e197a1b2a09480333e87508e1328b624047e44b49d9c151061df8392be44aaef17ccdde505969cef05a06f222676ae40a74f203373e
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Filesize
238KB
MD5c36009a11d03b61f6f92a38cb67698d3
SHA135a182127e0d187c61a84f4339ea73a4d5fb4a24
SHA2564242a5519cd21cef98a32bb6f7544091fbca706130299b53d00e825d4c65c007
SHA512f6204548bc40dfe930e98e197a1b2a09480333e87508e1328b624047e44b49d9c151061df8392be44aaef17ccdde505969cef05a06f222676ae40a74f203373e
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Filesize
88KB
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Filesize
1.7MB
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Filesize
1024KB
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Filesize
1.7MB
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Filesize
44KB
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Filesize
5.7MB
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Filesize
64KB
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Filesize
5.7MB
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Filesize
64KB
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Filesize
5.7MB
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Filesize
5.7MB
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Filesize
2.5MB
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Filesize
2.5MB
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Filesize
2.5MB
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Filesize
2.5MB
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Filesize
64KB
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Filesize
64KB