General

  • Target

    aaf7bb9ad358726ca367f1827686dc15fea925f26ab1e201a2768c67472e8890.exe

  • Size

    228KB

  • Sample

    250124-fyb2nssrbj

  • MD5

    8399865e44e7d6a193f8c8acf547eb31

  • SHA1

    17e3bee5debada69dadec0b748256925a1a8b1ac

  • SHA256

    aaf7bb9ad358726ca367f1827686dc15fea925f26ab1e201a2768c67472e8890

  • SHA512

    bf9ceb3a36ca874dceb9ccfec8e7635f5f11f83f04226ceb4e2b4b2548dbcecf2618fe5063bec068b1571867984d0beece6b5f9be0747a13ddb53f9a09aa4d61

  • SSDEEP

    3072:tPTcPP3LvQjfIY9Spek01stm+XIm1EWaVw3ItNVFZUyfUNjhb+P0I1fcj:tPTcPfL43SW1stDXaXw3ItNVTUVjhGy

Malware Config

Targets

    • Target

      aaf7bb9ad358726ca367f1827686dc15fea925f26ab1e201a2768c67472e8890.exe

    • Size

      228KB

    • MD5

      8399865e44e7d6a193f8c8acf547eb31

    • SHA1

      17e3bee5debada69dadec0b748256925a1a8b1ac

    • SHA256

      aaf7bb9ad358726ca367f1827686dc15fea925f26ab1e201a2768c67472e8890

    • SHA512

      bf9ceb3a36ca874dceb9ccfec8e7635f5f11f83f04226ceb4e2b4b2548dbcecf2618fe5063bec068b1571867984d0beece6b5f9be0747a13ddb53f9a09aa4d61

    • SSDEEP

      3072:tPTcPP3LvQjfIY9Spek01stm+XIm1EWaVw3ItNVFZUyfUNjhb+P0I1fcj:tPTcPfL43SW1stDXaXw3ItNVTUVjhGy

    • Makop

      Ransomware family discovered by @VK_Intel in early 2020.

    • Makop family

    • Deletes shadow copies

      Ransomware often targets backup files to inhibit system recovery.

    • Renames multiple (8359) files with added filename extension

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

    • Deletes backup catalog

      Uses wbadmin.exe to inhibit system recovery.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks