Overview

overview

10

Static

static

86ff58151e...3c.exe

windows7_x64

10

86ff58151e...3c.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c

  • Size

    215KB

  • Sample

    220524-rtbqwsecg4

  • MD5

    e3149d988edfdabe27e8a4902a784d2a

  • SHA1

    ab259a9c37c60698a2544297671b39235df1aaae

  • SHA256

    86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c

  • SHA512

    865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878

Score
10/10
buerloaderpersistence

Malware Config

Extracted

Family

buer

C2

https://217.8.117.20:4443/

http://217.8.117.20:8080/

Targets

    • Target

      86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c

    • Size

      215KB

    • MD5

      e3149d988edfdabe27e8a4902a784d2a

    • SHA1

      ab259a9c37c60698a2544297671b39235df1aaae

    • SHA256

      86ff58151ec691f3072cdf6226c7b356537022a2d1b7a73e63aeee639346933c

    • SHA512

      865e5f67cab098860ac2598831c564691e90966d015080279eac1fac5ee4c73cc85975498da61833a74f0ea03020418c354aa7b96312ca53eed7e331cf658878

    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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks