General
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Target
2024-11-04_ae045001c5ccb96c7d5f38d0702083b0_virlock
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Size
188KB
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Sample
241104-bq4z9synaw
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MD5
ae045001c5ccb96c7d5f38d0702083b0
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SHA1
e5ad3e6089126c2b13d73f201f890da26a65547d
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SHA256
f314f54a7cfad73499b000e57b8844ec3855d9e402e0577627f490169142c9bd
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SHA512
3076fe29f55b5194ab40f2d34afe130103b1f41a1db149196a88af35bddb95396778796bc0fe7c57e290cb3973403584f80cded2d0387b1716366d4d29a6dee5
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SSDEEP
3072:iVUzhF0qDm7vDuPsUuAb+ZD5ZbZ1ZAE4DnWzkeoEcUYk4oGaA31AHEVIdWP3TTvY:YKnDQyZj+ZKDnWzkTEcaA3eHdWTT6
Static task
static1
Behavioral task
behavioral1
Sample
2024-11-04_ae045001c5ccb96c7d5f38d0702083b0_virlock.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2024-11-04_ae045001c5ccb96c7d5f38d0702083b0_virlock.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
2024-11-04_ae045001c5ccb96c7d5f38d0702083b0_virlock
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Size
188KB
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MD5
ae045001c5ccb96c7d5f38d0702083b0
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SHA1
e5ad3e6089126c2b13d73f201f890da26a65547d
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SHA256
f314f54a7cfad73499b000e57b8844ec3855d9e402e0577627f490169142c9bd
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SHA512
3076fe29f55b5194ab40f2d34afe130103b1f41a1db149196a88af35bddb95396778796bc0fe7c57e290cb3973403584f80cded2d0387b1716366d4d29a6dee5
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SSDEEP
3072:iVUzhF0qDm7vDuPsUuAb+ZD5ZbZ1ZAE4DnWzkeoEcUYk4oGaA31AHEVIdWP3TTvY:YKnDQyZj+ZKDnWzkTEcaA3eHdWTT6
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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