Analysis
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max time kernel
28s -
max time network
30s -
platform
windows7_x64 -
resource
win7v20201028 -
submitted
05-03-2021 18:22
General
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Target
Build.exe
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Size
3.4MB
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MD5
74b5bc34a2b3c3dd453560ee4bcb136a
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SHA1
c86f8b33e5852b986b41318205e18caf7d0e7f30
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SHA256
c3ee35c8830cb3f6083fe15cd7325e14edbf77880b227473b6c3e39999b41493
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SHA512
fb68159225c3c518305413ef483765d063be7367f4c43bd08f11ea1d4d50fa1360407050aaf9792788f1391bae1ba389d9ad642a2a2d711af407006e813a9211
Malware Config
Signatures
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Echelon
Echelon is a .NET stealer that targets passwords from browsers, email and cryptocurrency clients.
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Echelon log file 1 IoCs
Detects a log file produced by Echelon.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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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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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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themida 1 IoCs
Detects Themida, Advanced Windows software protection system.
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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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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Build.exe"C:\Users\Admin\AppData\Local\Temp\Build.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
6.9MB
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Filesize
4KB
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Filesize
4KB