General
- Target 1eef53fbb9585791902ef581c9fbd6060057fbc1d530577307b3886e8f591b43
- Size 5.4MB
- Sample261014-mvfc9azz2p
- SHA256 1eef53fbb9585791902ef581c9fbd6060057fbc1d530577307b3886e8f591b43
Malware Config
Targets
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- Target 1eef53fbb9585791902ef581c9fbd6060057fbc1d530577307b3886e8f591b43
- Size 5.4MB
- SHA256 1eef53fbb9585791902ef581c9fbd6060057fbc1d530577307b3886e8f591b43
Score10/10-
Detects ValleyRAT payload
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Family: ValleyRat
ValleyRat stage2 is a backdoor written in C++.
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Badlisted process makes network request
Network request originating from process or tool commonly abused by malware.
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Downloads MZ/PE file
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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DCAgent remote management tool
DCAgent is part of ManageEngine, a remote administration tool that can be used as a backdoor
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
2Visual Basic
1Windows Command Shell
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
1Subvert Trust Controls
2Install Root Certificate
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1