General
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Target
https://github.com/UnamSanctam/SilentCryptoMiner
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Sample
230727-l57d2see9s
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/UnamSanctam/SilentCryptoMiner
Resource
win10-20230703-en
Behavioral task
behavioral2
Sample
https://github.com/UnamSanctam/SilentCryptoMiner
Resource
win10v2004-20230703-en
Malware Config
Targets
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Target
https://github.com/UnamSanctam/SilentCryptoMiner
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InfinityLock Ransomware
Also known as InfinityCrypt. Based on the open-source HiddenTear ransomware.
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Modifies visibility of file extensions in Explorer
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Blocklisted process makes network request
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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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Executes dropped EXE
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Loads dropped DLL
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Registers COM server for autorun
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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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Legitimate hosting services abused for malware hosting/C2
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4