Resubmissions

17-01-2021 18:37

210117-48aq437xb6 6

17-01-2021 17:45

210117-4744q9x4dx 10

17-01-2021 17:15

210117-srj9q38nvj 10

13-01-2021 06:09

210113-qmgklkv3dn 10

General

  • Target

    3dcd284892131ed336b5801c7993d3ed.exe

  • Size

    1.8MB

  • Sample

    210117-srj9q38nvj

  • MD5

    3dcd284892131ed336b5801c7993d3ed

  • SHA1

    b1055faf8ac2c14ce5c45f1954c45f7ab6a986eb

  • SHA256

    9c748a69c48b79e6422b3bea1766e415de5532cb7ba2b9673d5a51163e6c1df2

  • SHA512

    9fb9ee8903ded8051ca40b1d6f780c7b475255987ee592e35ccebc7119fdef6202f2f80b47e00eedb1434649c299eea1f1f3580d1a65f9c19d54e6626f9e4b76

Malware Config

Targets

    • Target

      3dcd284892131ed336b5801c7993d3ed.exe

    • Size

      1.8MB

    • MD5

      3dcd284892131ed336b5801c7993d3ed

    • SHA1

      b1055faf8ac2c14ce5c45f1954c45f7ab6a986eb

    • SHA256

      9c748a69c48b79e6422b3bea1766e415de5532cb7ba2b9673d5a51163e6c1df2

    • SHA512

      9fb9ee8903ded8051ca40b1d6f780c7b475255987ee592e35ccebc7119fdef6202f2f80b47e00eedb1434649c299eea1f1f3580d1a65f9c19d54e6626f9e4b76

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Executes dropped EXE

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Deletes itself

    • 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

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v6

Tasks