Resubmissions

07-10-2023 07:19

231007-h5wqrsca56 10

06-10-2023 17:57

231006-wj28bagh68 1

05-10-2023 13:51

231005-q5yt5adc98 10

04-10-2023 11:32

231004-nnn79abc3y 6

04-10-2023 11:01

231004-m4spyada28 10

04-10-2023 10:53

231004-mzfjtaba4y 8

General

  • Target

    https://github.com

  • Sample

    231004-m4spyada28

Malware Config

Extracted

Family

xworm

Version

3.1

C2

adult-purchased.gl.at.ply.gg:13795

127.0.0.1:7000

Mutex

H3OEnWnkSDYFHZ0U

Attributes
  • install_file

    USB.exe

aes.plain
aes.plain

Targets

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Detect Xworm Payload

    • Detect rhadamanthys stealer shellcode

    • Rhadamanthys

      Rhadamanthys is an info stealer written in C++ first seen in August 2022.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • AgentTesla payload

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks