General

  • Target

    2024-07-04_c88280ac33f2ccd30f0cdbd94a3a10c4_virlock

  • Size

    200KB

  • Sample

    240704-p1jzqsxbjp

  • MD5

    c88280ac33f2ccd30f0cdbd94a3a10c4

  • SHA1

    f87b648a0f2182a3570ab15eed12d1bcc31d88fe

  • SHA256

    3584d64fa6a83419029dc7cda25ec55eae2045c85ac8f0cf1d65c07e016f6cc2

  • SHA512

    123d40861a8b4730e30d3eb6cda76b3967cb432543b63c702b12f6265ad875ffcbb36da11f4c7be9c32a280eeb763595b06d5941c6da5f8bac3e41b26f7623a8

  • SSDEEP

    3072:OvScscUw/8gzVisOBRO95UOaZEgETCJxGj+siwjiS3IgcNrPmL:mgcH88nQRO9r6aTM8yIRIpFP

Malware Config

Targets

    • Target

      2024-07-04_c88280ac33f2ccd30f0cdbd94a3a10c4_virlock

    • Size

      200KB

    • MD5

      c88280ac33f2ccd30f0cdbd94a3a10c4

    • SHA1

      f87b648a0f2182a3570ab15eed12d1bcc31d88fe

    • SHA256

      3584d64fa6a83419029dc7cda25ec55eae2045c85ac8f0cf1d65c07e016f6cc2

    • SHA512

      123d40861a8b4730e30d3eb6cda76b3967cb432543b63c702b12f6265ad875ffcbb36da11f4c7be9c32a280eeb763595b06d5941c6da5f8bac3e41b26f7623a8

    • SSDEEP

      3072:OvScscUw/8gzVisOBRO95UOaZEgETCJxGj+siwjiS3IgcNrPmL:mgcH88nQRO9r6aTM8yIRIpFP

    • Modifies visibility of file extensions in Explorer

    • UAC bypass

    • Renames multiple (56) files with added filename extension

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

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks