General
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Target
2024-10-20_772c8dae29c8bd73d1358fa6084ced5e_virlock
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Size
156KB
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Sample
241020-hgwe4avang
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MD5
772c8dae29c8bd73d1358fa6084ced5e
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SHA1
a987059e813d24814a8784a004e0fffa465fd124
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SHA256
0be0e24cbe73be277cdd7452eb304454f638370ef707a9b0900053a84bd937db
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SHA512
9c3ccbcb3be2ae2da34b9c26bcd19258990e48ddc82c7a3f9848ad68c489caee6fbd617ac976d5bc33c6dfb8d5f77f4dbfe7c6021fabae9e65a4d3194f15b76d
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SSDEEP
3072:jmPQECj2jNSlYd9DSM6ce8qJ5+alQVEiDX7Ph9xFivAXIGbPHLd:jnEq2jNSlYzSvP8qJ55GTrdsAXI0Prd
Static task
static1
Behavioral task
behavioral1
Sample
2024-10-20_772c8dae29c8bd73d1358fa6084ced5e_virlock.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
2024-10-20_772c8dae29c8bd73d1358fa6084ced5e_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-10-20_772c8dae29c8bd73d1358fa6084ced5e_virlock
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Size
156KB
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MD5
772c8dae29c8bd73d1358fa6084ced5e
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SHA1
a987059e813d24814a8784a004e0fffa465fd124
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SHA256
0be0e24cbe73be277cdd7452eb304454f638370ef707a9b0900053a84bd937db
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SHA512
9c3ccbcb3be2ae2da34b9c26bcd19258990e48ddc82c7a3f9848ad68c489caee6fbd617ac976d5bc33c6dfb8d5f77f4dbfe7c6021fabae9e65a4d3194f15b76d
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SSDEEP
3072:jmPQECj2jNSlYd9DSM6ce8qJ5+alQVEiDX7Ph9xFivAXIGbPHLd:jnEq2jNSlYzSvP8qJ55GTrdsAXI0Prd
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Modifies visibility of file extensions in Explorer
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Renames multiple (80) 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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Deletes itself
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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