General
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Target
2024-05-24_e3c42193dded9876352767a756e25772_virlock
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Size
207KB
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Sample
240524-rr5wyshd57
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MD5
e3c42193dded9876352767a756e25772
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SHA1
cfb23b31cc2955f593c4ed45a796ea0fb29977cf
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SHA256
d067c9715106133877f2259a391af73fbd65340d78c6d62af6aa4272fed0478e
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SHA512
5698e7ef79ab7accf21eaf940f9fb846df7b2ae6e86fb26595b9319addccc150a9343e0328fab37b9ef0f3e9ddf51fb7e7ed60431a9736f9368b314e4ab03a10
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SSDEEP
3072:9plXxnpZtSqnxbRAHazBjDxAm+NuM2qqk5lt9B+mL/Q5CoW1lDeeXw:zlXxnftrLA6zBjDxGNmwltXJ/Q5obZA
Static task
static1
Behavioral task
behavioral1
Sample
2024-05-24_e3c42193dded9876352767a756e25772_virlock.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-24_e3c42193dded9876352767a756e25772_virlock.exe
Resource
win10v2004-20240426-en
Malware Config
Targets
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Target
2024-05-24_e3c42193dded9876352767a756e25772_virlock
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Size
207KB
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MD5
e3c42193dded9876352767a756e25772
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SHA1
cfb23b31cc2955f593c4ed45a796ea0fb29977cf
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SHA256
d067c9715106133877f2259a391af73fbd65340d78c6d62af6aa4272fed0478e
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SHA512
5698e7ef79ab7accf21eaf940f9fb846df7b2ae6e86fb26595b9319addccc150a9343e0328fab37b9ef0f3e9ddf51fb7e7ed60431a9736f9368b314e4ab03a10
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SSDEEP
3072:9plXxnpZtSqnxbRAHazBjDxAm+NuM2qqk5lt9B+mL/Q5CoW1lDeeXw:zlXxnftrLA6zBjDxGNmwltXJ/Q5obZA
Score10/10-
Modifies visibility of file extensions in Explorer
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Renames multiple (63) 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 Matrix ATT&CK v13
Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1