General
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Target
2024-11-06_70af4609cdb55f8a73263d48b10df40c_virlock
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Size
644KB
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Sample
241106-dqe29atdpg
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MD5
70af4609cdb55f8a73263d48b10df40c
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SHA1
8abd73dccbff3b769af350047509b20a9c608090
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SHA256
db3741f0facbcdc233d7c1d93635ee172a8df040354844c6261d1b70b1152333
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SHA512
4afcfc521007d96c4dab3986b7a97c17c86d77cfcc70fa99bed59b3217758b2de644bce9d83441e646bed9a3d5edce83f199f533d2fa6ac580d92af5a9d856a4
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SSDEEP
12288:u4AWS45e8HGbs9cwwfxgkCLK2ndCqkQE0o:uQ5ibmCpgkcS0o
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-06_70af4609cdb55f8a73263d48b10df40c_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-06_70af4609cdb55f8a73263d48b10df40c_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-06_70af4609cdb55f8a73263d48b10df40c_virlock
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Size
644KB
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MD5
70af4609cdb55f8a73263d48b10df40c
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SHA1
8abd73dccbff3b769af350047509b20a9c608090
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SHA256
db3741f0facbcdc233d7c1d93635ee172a8df040354844c6261d1b70b1152333
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SHA512
4afcfc521007d96c4dab3986b7a97c17c86d77cfcc70fa99bed59b3217758b2de644bce9d83441e646bed9a3d5edce83f199f533d2fa6ac580d92af5a9d856a4
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SSDEEP
12288:u4AWS45e8HGbs9cwwfxgkCLK2ndCqkQE0o:uQ5ibmCpgkcS0o
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Modifies visibility of file extensions in Explorer
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Renames multiple (51) 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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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