Resubmissions

29-10-2021 09:15

211029-k7w6esdad6 10

24-08-2021 15:41

210824-hbt188jvma 10

General

  • Target

    34de4b269fe0721f4323dc549545fa5575a1bd5178174d382d0cee730eac5d89

  • Size

    366KB

  • Sample

    211029-k7w6esdad6

  • MD5

    a24e438b9535cfb06f66dbd5b11a7680

  • SHA1

    f998c708668743677064db9307cf274c17dd9a5a

  • SHA256

    34de4b269fe0721f4323dc549545fa5575a1bd5178174d382d0cee730eac5d89

  • SHA512

    b65c5fac207297fe0219f03779729789de443880b1d71f099ec29a17183f37a1d9d8f1f2d4484f5fc95fa647562fd565e20a1f4a81b61d89e078a8405f41c5fa

Malware Config

Targets

    • Target

      34de4b269fe0721f4323dc549545fa5575a1bd5178174d382d0cee730eac5d89

    • Size

      366KB

    • MD5

      a24e438b9535cfb06f66dbd5b11a7680

    • SHA1

      f998c708668743677064db9307cf274c17dd9a5a

    • SHA256

      34de4b269fe0721f4323dc549545fa5575a1bd5178174d382d0cee730eac5d89

    • SHA512

      b65c5fac207297fe0219f03779729789de443880b1d71f099ec29a17183f37a1d9d8f1f2d4484f5fc95fa647562fd565e20a1f4a81b61d89e078a8405f41c5fa

    • Modifies Windows Defender Real-time Protection settings

    • Disables Task Manager via registry modification

    • Downloads MZ/PE file

    • Downloads PsExec from SysInternals website

      Sysinternals tools like PsExec are often leveraged maliciously by malware families due to being commonly used by testers/administrators.

    • Modifies Windows Firewall

    • Modifies extensions of user files

      Ransomware generally changes the extension on encrypted files.

    • Modifies file permissions

    • Windows security modification

    • Enumerates connected drives

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

    • Looks up external IP address via web service

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

    • Modifies WinLogon

MITRE ATT&CK Enterprise v6

Tasks