Overview

overview

10

Static

static

1

fa0322fb70...18.exe

windows7-x64

10

fa0322fb70...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    fa0322fb70610d6e67585588184eda39_JaffaCakes118
  • Size 239KB
  • Sample240927-jqbbysvfpg
  • SHA256 3d994a2f80a63f31bf56ddded5ed35f020c40c0324b3ab1935e08b15c25ba017
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
buerdiscoveryexecutionloader

Malware Config

Extracted

Family

  • buer

C2

  • https://104.248.83.13/

Targets

    • Target
      fa0322fb70610d6e67585588184eda39_JaffaCakes118
    • Size 239KB
    • SHA256 3d994a2f80a63f31bf56ddded5ed35f020c40c0324b3ab1935e08b15c25ba017
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    buerdiscoveryexecutionloader

    • Buer

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

      loaderbuer

    • Buer Loader

      Detects Buer loader in memory or disk.

      loader

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Enumerates connected drives

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

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks