General

  • Target

    c1b6185f5ba6a3d5c4e1017b1b684492_JaffaCakes118

  • Size

    353KB

  • Sample

    240825-2atgpszfrl

  • MD5

    c1b6185f5ba6a3d5c4e1017b1b684492

  • SHA1

    005ab0f0d9ec20c7dbb4512489f17bcb7494fe0e

  • SHA256

    68a83d0a3bfcd1bcebf35eeba2bd778b2b64516f73cb2932ad9e6e4667dd9781

  • SHA512

    23766708489576355d3e2893f59ef1179cc3bbf6379a48709f7bd3bd8aa9bc7bd2d527983f5d8fa23cf7e4a114f8f9c65882b949133b027b4be97e4d05a44dc4

  • SSDEEP

    6144:kyNp69yZH/0EkNrlXLp+Pe+zXLry08lY5W99A3ywES2:pNvcEkNFL4PeP5lYUU31ES2

Malware Config

Extracted

Family

buer

C2

https://kackdelar.top/

Targets

    • Target

      c1b6185f5ba6a3d5c4e1017b1b684492_JaffaCakes118

    • Size

      353KB

    • MD5

      c1b6185f5ba6a3d5c4e1017b1b684492

    • SHA1

      005ab0f0d9ec20c7dbb4512489f17bcb7494fe0e

    • SHA256

      68a83d0a3bfcd1bcebf35eeba2bd778b2b64516f73cb2932ad9e6e4667dd9781

    • SHA512

      23766708489576355d3e2893f59ef1179cc3bbf6379a48709f7bd3bd8aa9bc7bd2d527983f5d8fa23cf7e4a114f8f9c65882b949133b027b4be97e4d05a44dc4

    • SSDEEP

      6144:kyNp69yZH/0EkNrlXLp+Pe+zXLry08lY5W99A3ywES2:pNvcEkNFL4PeP5lYUU31ES2

    • Buer

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

    • Buer Loader

      Detects Buer loader in memory or disk.

    • Command and Scripting Interpreter: PowerShell

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

    • Drops startup file

    • Enumerates connected drives

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks