Overview

overview

10

Static

static

2f2c65f9e3...92.exe

windows7_x64

10

2f2c65f9e3...92.exe

windows10-2004_x64

10

Sharing

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General

  • Target
    2f2c65f9e33f564986f7459b52f61c4855cb9c7768acafa7f7da34b481ddab92
  • Size 302KB
  • Sample220524-a96grsebgr
  • SHA256 2f2c65f9e33f564986f7459b52f61c4855cb9c7768acafa7f7da34b481ddab92
  • MD5 SHA1 SHA512
Score
10/10
buerloaderpersistence

Malware Config

Extracted

Family

  • buer

C2

  • https://gstatiknetiplist.cc/

  • https://gstatiknetiplist.com/

Targets

    • Target
      2f2c65f9e33f564986f7459b52f61c4855cb9c7768acafa7f7da34b481ddab92
    • Size 302KB
    • SHA256 2f2c65f9e33f564986f7459b52f61c4855cb9c7768acafa7f7da34b481ddab92
    • MD5 SHA1 SHA512
    Score
    10/10
    buerloaderpersistence

    • Buer

      Buer is a new modular loader first seen in August 2019.

      loaderbuer

    • Modifies WinLogon for persistence

      persistence

    • Buer Loader

      Detects Buer loader in memory or disk.

      loader

    • Executes dropped EXE

    • Deletes itself

    • Loads dropped DLL

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks