Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
17-11-2024 13:48
General
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Target
184b2aee425e019ac00a1000a882e5d01e4175e90d84ca0e473db487d43add7d.exe
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Size
2.0MB
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MD5
5f44f2bb693c50d1141aa214dac22796
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SHA1
aa3408aaf55c7fc92b90cdbb08075c2b59a7a6dc
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SHA256
184b2aee425e019ac00a1000a882e5d01e4175e90d84ca0e473db487d43add7d
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SHA512
4ea0f394a1ec64d7c97b726d7df92519ac87d053e3c1030b0bd8a3fd9b41beed1f48008f85b02b5de2f505e2283888e142dfb8dd3499440b3c00e28da9f23d4e
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SSDEEP
49152:lRxPv8pEsG1UOIRLJpTyY8IzKPqeVjPOcE4ut9DdPHrRvTS:NPv8sKF1JpWYYPq0KtFHFLS
Malware Config
Extracted
stealc
tale
http://185.215.113.206
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url_path
/6c4adf523b719729.php
Signatures
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Stealc
Stealc is an infostealer written in C++.
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Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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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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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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Loads dropped DLL 1 IoCs
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Delays execution with timeout.exe 1 IoCs
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\184b2aee425e019ac00a1000a882e5d01e4175e90d84ca0e473db487d43add7d.exe"C:\Users\Admin\AppData\Local\Temp\184b2aee425e019ac00a1000a882e5d01e4175e90d84ca0e473db487d43add7d.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
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\184b2aee425e019ac00a1000a882e5d01e4175e90d84ca0e473db487d43add7d.exe" & del "C:\ProgramData\*.dll"" & exit2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 53⤵
- System Location Discovery: System Language Discovery
- Delays execution with timeout.exe
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
676KB
MD5eda18948a989176f4eebb175ce806255
SHA1ff22a3d5f5fb705137f233c36622c79eab995897
SHA25681a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4
SHA512160ed9990c37a4753fc0f5111c94414568654afbedc05308308197df2a99594f2d5d8fe511fd2279543a869ed20248e603d88a0b9b8fb119e8e6131b0c52ff85
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Filesize
7.1MB
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Filesize
8KB
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Filesize
416KB
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Filesize
7.1MB
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Filesize
7.1MB