General

  • Target

    reggin.exe

  • Size

    34KB

  • Sample

    240707-1yb2ws1elc

  • MD5

    7235c1e5b6ad42dd5fdce22125146058

  • SHA1

    f633e0844d704803b4649e1044cf541b8ce30d47

  • SHA256

    54591239906f92fb7b3537cc376807058855fbba0f4924846e4390b7eea1f64e

  • SHA512

    ba5f20fafafffdca0e6778afe26376bd6adf8ea58470aeef727b352a794950bb31f090b597eff25c44676faa4cc42aa91b4c21714582d095dae73155fcb74dc6

  • SSDEEP

    768:mCCP9/KCWdQKL6qBPZA9Fm9YGOjhP/tUL:mnxKC/7mIFm9YGOjBlUL

Malware Config

Extracted

Family

xworm

Version

5.0

C2

45.157.233.5:7000

Mutex

trTIOaHckSx6UX6M

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    scvhost.exe

aes.plain

Targets

    • Target

      reggin.exe

    • Size

      34KB

    • MD5

      7235c1e5b6ad42dd5fdce22125146058

    • SHA1

      f633e0844d704803b4649e1044cf541b8ce30d47

    • SHA256

      54591239906f92fb7b3537cc376807058855fbba0f4924846e4390b7eea1f64e

    • SHA512

      ba5f20fafafffdca0e6778afe26376bd6adf8ea58470aeef727b352a794950bb31f090b597eff25c44676faa4cc42aa91b4c21714582d095dae73155fcb74dc6

    • SSDEEP

      768:mCCP9/KCWdQKL6qBPZA9Fm9YGOjhP/tUL:mnxKC/7mIFm9YGOjBlUL

    • Contains code to disable Windows Defender

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

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Boot or Logon Autostart Execution: Active Setup

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

    • Checks computer location settings

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

    • Drops startup file

    • Adds Run key to start application

    • Enumerates connected drives

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

MITRE ATT&CK Enterprise v15

Tasks