General

  • Target

    lock5.exe

  • Size

    419KB

  • Sample

    241114-grlg7synck

  • MD5

    c87d10e375e6fec1c20dfa6da0efaeb0

  • SHA1

    1dc5f1616b4783ac56128c9b6cae9476c4b9f09a

  • SHA256

    10916ae59a8f99306f1af033bb5e97df353e36be9eeaf41264a9146e56f9197e

  • SHA512

    a1adf4f8a4b33e1c1c4db1db42e4052ce07ea958e43d56553a200671888fccb8ed4777efa120f79950ec9eae42734d74c64062b1eccf57b06d4e7da04b84c4ee

  • SSDEEP

    6144:STqhlztbElkd+s0zyykmkkES0J2txMLVesCjuwptsOXNZcX9PNCFR09KKPOeFhbf:nhDdkybr/J2tx2VeFusZXQJhkeFhbb

Malware Config

Targets

    • Target

      lock5.exe

    • Size

      419KB

    • MD5

      c87d10e375e6fec1c20dfa6da0efaeb0

    • SHA1

      1dc5f1616b4783ac56128c9b6cae9476c4b9f09a

    • SHA256

      10916ae59a8f99306f1af033bb5e97df353e36be9eeaf41264a9146e56f9197e

    • SHA512

      a1adf4f8a4b33e1c1c4db1db42e4052ce07ea958e43d56553a200671888fccb8ed4777efa120f79950ec9eae42734d74c64062b1eccf57b06d4e7da04b84c4ee

    • SSDEEP

      6144:STqhlztbElkd+s0zyykmkkES0J2txMLVesCjuwptsOXNZcX9PNCFR09KKPOeFhbf:nhDdkybr/J2tx2VeFusZXQJhkeFhbb

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Modifies boot configuration data using bcdedit

    • Renames multiple (192) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Deletes system backups

      Uses wbadmin.exe to inhibit system recovery.

    • Adds Run key to start application

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

MITRE ATT&CK Enterprise v15

Tasks