General
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Target
2024-10-06_c2470745ec79b710d16278164e2076e9_virlock
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Size
335KB
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Sample
241006-kdbbvszgnb
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MD5
c2470745ec79b710d16278164e2076e9
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SHA1
fffa9058ed92deb3dda94e0d015468e5c3972172
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SHA256
4e27bd70a8c4236eb76563669b1ffa0453fc7a7d8f0dbe64109a8dadde80fc45
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SHA512
48572696e75fb06a5ecad9ec6bb63e7009b50206dfbd5fe269b02fc37ccc6d9fef065df210526582fb04b127c5f598ca9f117d763ffa05fb8f14a9ad03e2dab7
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SSDEEP
6144:T4FcDAltRVOWXgKBlHID2OmHqh7laQS1/jjL6Hq+t+268WzPbE7nSM5Ay0OkjYwY:CcDAfRQWXgKBlHID2OmHqh7laQS1/jjM
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-06_c2470745ec79b710d16278164e2076e9_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-10-06_c2470745ec79b710d16278164e2076e9_virlock.exe
Resource
win10v2004-20240802-en
Malware Config
Targets
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Target
2024-10-06_c2470745ec79b710d16278164e2076e9_virlock
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Size
335KB
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MD5
c2470745ec79b710d16278164e2076e9
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SHA1
fffa9058ed92deb3dda94e0d015468e5c3972172
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SHA256
4e27bd70a8c4236eb76563669b1ffa0453fc7a7d8f0dbe64109a8dadde80fc45
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SHA512
48572696e75fb06a5ecad9ec6bb63e7009b50206dfbd5fe269b02fc37ccc6d9fef065df210526582fb04b127c5f598ca9f117d763ffa05fb8f14a9ad03e2dab7
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SSDEEP
6144:T4FcDAltRVOWXgKBlHID2OmHqh7laQS1/jjL6Hq+t+268WzPbE7nSM5Ay0OkjYwY:CcDAfRQWXgKBlHID2OmHqh7laQS1/jjM
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Modifies visibility of file extensions in Explorer
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Renames multiple (64) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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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Adds Run key to start application
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1