General

  • Target

    cool.jpeg

  • Size

    213KB

  • Sample

    240808-ry6rtsyckf

  • MD5

    17f33d0f8183baed2b4433636466648e

  • SHA1

    7055ae48dea0e4c7010f40c2c86fecae429e505c

  • SHA256

    13319fcccab4f4470d4baef1c9bc5facd1882e4a7864fe49e1368c9df1c5cdc6

  • SHA512

    9addbe039342ac02cc9af0eb038b5958a36f3bc58921abf2f2fd468e36f1a8957657cdba1f5c26d53620ae1f88bd91eda6206c661f69b1c0798911bb4c07069b

  • SSDEEP

    6144:J3Y3b0k41EKHiui7/D6s7zryLJN3vpX9Cb1O:J2bfYEwiysTgZ9T

Malware Config

Targets

    • Target

      cool.jpeg

    • Size

      213KB

    • MD5

      17f33d0f8183baed2b4433636466648e

    • SHA1

      7055ae48dea0e4c7010f40c2c86fecae429e505c

    • SHA256

      13319fcccab4f4470d4baef1c9bc5facd1882e4a7864fe49e1368c9df1c5cdc6

    • SHA512

      9addbe039342ac02cc9af0eb038b5958a36f3bc58921abf2f2fd468e36f1a8957657cdba1f5c26d53620ae1f88bd91eda6206c661f69b1c0798911bb4c07069b

    • SSDEEP

      6144:J3Y3b0k41EKHiui7/D6s7zryLJN3vpX9Cb1O:J2bfYEwiysTgZ9T

    • Cobalt Strike reflective loader

      Detects the reflective loader used by Cobalt Strike.

    • Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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

    • Modifies powershell logging option

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks