Overview

overview

10

Static

static

1

8b44470c7f...18.exe

windows7-x64

10

8b44470c7f...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    8b44470c7ff69ae671ff6e04550ee15f_JaffaCakes118
  • Size 598KB
  • Sample240811-vwl67atdjd
  • SHA256 6c7f43434e5db8703c0a47dedeeab976159d8704bfbe2e4ff65405f38d508e9d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
buerdiscoveryexecutionloader

Malware Config

Extracted

Family

  • buer

C2

  • https://104.248.83.13/

Targets

    • Target
      8b44470c7ff69ae671ff6e04550ee15f_JaffaCakes118
    • Size 598KB
    • SHA256 6c7f43434e5db8703c0a47dedeeab976159d8704bfbe2e4ff65405f38d508e9d
    • 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