General

  • Target

    botnet2.0.exe

  • Size

    8.5MB

  • Sample

    240922-c1y3faxhql

  • MD5

    9726aa0623906fc131af497e573e7230

  • SHA1

    bd26ce98a85a4ecc982642e2fd50ab28cbb9b97d

  • SHA256

    e57278c82a101036e1516791346484a1afc18493aca46c21c4d8a2f9f423c91a

  • SHA512

    013f2987bcb686c5add6a18b1b6ff70dc76399d725a5ef38a49969309b6803cc37ca6d97526487156a5fe75cac1a819f555039e2c76c5c52983fdb316428dcc0

  • SSDEEP

    196608:6Y62tdt9uwOW1WFzVOUo0KepxnmMXQ+raybKU:6YRuwPznepU+raLU

Malware Config

Targets

    • Target

      botnet2.0.exe

    • Size

      8.5MB

    • MD5

      9726aa0623906fc131af497e573e7230

    • SHA1

      bd26ce98a85a4ecc982642e2fd50ab28cbb9b97d

    • SHA256

      e57278c82a101036e1516791346484a1afc18493aca46c21c4d8a2f9f423c91a

    • SHA512

      013f2987bcb686c5add6a18b1b6ff70dc76399d725a5ef38a49969309b6803cc37ca6d97526487156a5fe75cac1a819f555039e2c76c5c52983fdb316428dcc0

    • SSDEEP

      196608:6Y62tdt9uwOW1WFzVOUo0KepxnmMXQ+raybKU:6YRuwPznepU+raLU

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Enumerates connected drives

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

    • Legitimate hosting services abused for malware hosting/C2

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks