General
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Target
81d81a4a1c7d17823e510b3fa647abda0c4508d3811233e9863b5f15e56cd04f
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Size
1.2MB
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Sample
201008-39kpkymg16
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MD5
a8fab811ecaa6103c0b281f2b15157f7
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SHA1
1981e33ace0a993984ff31dd3ea3e7412c70db7a
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SHA256
81d81a4a1c7d17823e510b3fa647abda0c4508d3811233e9863b5f15e56cd04f
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SHA512
f02bec00bd22c51b5e4e5d1ebf02ead779f3bef223540cea5b58163fb6257af24b3848bfd6142abb31bd5b735a6cd3428595c6aeb5ec2e4739f50944c7885fd1
Static task
static1
Behavioral task
behavioral1
Sample
81d81a4a1c7d17823e510b3fa647abda0c4508d3811233e9863b5f15e56cd04f.exe
Resource
win7v200722
Behavioral task
behavioral2
Sample
81d81a4a1c7d17823e510b3fa647abda0c4508d3811233e9863b5f15e56cd04f.exe
Resource
win10
Malware Config
Targets
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Target
81d81a4a1c7d17823e510b3fa647abda0c4508d3811233e9863b5f15e56cd04f
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Size
1.2MB
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MD5
a8fab811ecaa6103c0b281f2b15157f7
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SHA1
1981e33ace0a993984ff31dd3ea3e7412c70db7a
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SHA256
81d81a4a1c7d17823e510b3fa647abda0c4508d3811233e9863b5f15e56cd04f
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SHA512
f02bec00bd22c51b5e4e5d1ebf02ead779f3bef223540cea5b58163fb6257af24b3848bfd6142abb31bd5b735a6cd3428595c6aeb5ec2e4739f50944c7885fd1
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Matrix Ransomware
Targeted ransomware with information collection and encryption functionality.
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Modifies boot configuration data using bcdedit
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets service image path in registry
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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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Drops desktop.ini file(s)
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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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Modifies service
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Sets desktop wallpaper using registry
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File Deletion
2File and Directory Permissions Modification
1Modify Registry
3