General
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Target
lock5.exe
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Size
419KB
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Sample
241114-grlg7synck
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MD5
c87d10e375e6fec1c20dfa6da0efaeb0
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SHA1
1dc5f1616b4783ac56128c9b6cae9476c4b9f09a
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SHA256
10916ae59a8f99306f1af033bb5e97df353e36be9eeaf41264a9146e56f9197e
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SHA512
a1adf4f8a4b33e1c1c4db1db42e4052ce07ea958e43d56553a200671888fccb8ed4777efa120f79950ec9eae42734d74c64062b1eccf57b06d4e7da04b84c4ee
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SSDEEP
6144:STqhlztbElkd+s0zyykmkkES0J2txMLVesCjuwptsOXNZcX9PNCFR09KKPOeFhbf:nhDdkybr/J2tx2VeFusZXQJhkeFhbb
Static task
static1
Behavioral task
behavioral1
Sample
lock5.exe
Resource
win7-20241023-en
Behavioral task
behavioral2
Sample
lock5.exe
Resource
win10v2004-20241007-en
Malware Config
Targets
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Target
lock5.exe
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Size
419KB
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MD5
c87d10e375e6fec1c20dfa6da0efaeb0
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SHA1
1dc5f1616b4783ac56128c9b6cae9476c4b9f09a
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SHA256
10916ae59a8f99306f1af033bb5e97df353e36be9eeaf41264a9146e56f9197e
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SHA512
a1adf4f8a4b33e1c1c4db1db42e4052ce07ea958e43d56553a200671888fccb8ed4777efa120f79950ec9eae42734d74c64062b1eccf57b06d4e7da04b84c4ee
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SSDEEP
6144:STqhlztbElkd+s0zyykmkkES0J2txMLVesCjuwptsOXNZcX9PNCFR09KKPOeFhbf:nhDdkybr/J2tx2VeFusZXQJhkeFhbb
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Deletes shadow copies
Ransomware often targets backup files to inhibit system recovery.
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Modifies boot configuration data using bcdedit
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Renames multiple (192) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Adds Run key to start application
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Defense Evasion
Direct Volume Access
1Indicator Removal
3File Deletion
3Modify Registry
1