General

  • Target

    2024-06-16_02802d6a4fbf32c8cd28b0e5fe1e730a_ryuk

  • Size

    4.2MB

  • Sample

    240616-r41srs1erj

  • MD5

    02802d6a4fbf32c8cd28b0e5fe1e730a

  • SHA1

    195a0cc628e68677ff93a778ffdd9625a89b018e

  • SHA256

    fbf84dfe51fa1666a9eb9cb7373bc72e6fe954e19816136952dc273650c1aa04

  • SHA512

    cada611af431f59902ef92447c16ceaff30235868209ef7238184f41f515f2285e808edcf3ce3366e9ea3f52724234c29da23504d22fc206e223392122e194f4

  • SSDEEP

    49152:lHlAUXb9MOlBWD9rqGLi0iIGTHI6DOnIIeNxu6xl1aZt6m5xbzDI6bpsRJrAGGU2:b2D8KiFIIm3Gob5iEuCv

Malware Config

Targets

    • Target

      2024-06-16_02802d6a4fbf32c8cd28b0e5fe1e730a_ryuk

    • Size

      4.2MB

    • MD5

      02802d6a4fbf32c8cd28b0e5fe1e730a

    • SHA1

      195a0cc628e68677ff93a778ffdd9625a89b018e

    • SHA256

      fbf84dfe51fa1666a9eb9cb7373bc72e6fe954e19816136952dc273650c1aa04

    • SHA512

      cada611af431f59902ef92447c16ceaff30235868209ef7238184f41f515f2285e808edcf3ce3366e9ea3f52724234c29da23504d22fc206e223392122e194f4

    • SSDEEP

      49152:lHlAUXb9MOlBWD9rqGLi0iIGTHI6DOnIIeNxu6xl1aZt6m5xbzDI6bpsRJrAGGU2:b2D8KiFIIm3Gob5iEuCv

    • Azov

      A wiper seeking only damage, first seen in 2022.

    • Renames multiple (8872) files with added filename extension

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

    • Drops startup file

    • 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

    • Enumerates connected drives

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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks