General

  • Target

    Talk It_v1.0.exe

  • Size

    380KB

  • Sample

    241124-sw5meswlbz

  • MD5

    fdc726071430ada68e117f6f12f01322

  • SHA1

    2daa8755f47713b00c1dbefe7d9c8e4c5690518b

  • SHA256

    2bfc1657c918035fab5fa2da8e4e76d54cf9b65ac1e65dcdede65cc19a6771f6

  • SHA512

    a5cb35ea0e5c6bb4553d258bcad76ea52db30370e84a065d6ca4e2924b08e6d2af85f6cde5dc99fc7c4e4396408a4fb390e2401026ae9698c1fcca3380f0aaeb

  • SSDEEP

    6144:TMM8fApOSxvbaiwb7AyT21XOHxXAsEbzd/CAuQ0ykuyoJlbOSvT+Pn1IB:N8f8vbad7Aya0R47uZuxJ7vT+/C

Malware Config

Extracted

Family

xworm

Version

5.0

C2

sales-mathematical.gl.at.ply.gg:2708

Mutex

PltH1LXapFktKvvq

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Targets

    • Target

      Talk It_v1.0.exe

    • Size

      380KB

    • MD5

      fdc726071430ada68e117f6f12f01322

    • SHA1

      2daa8755f47713b00c1dbefe7d9c8e4c5690518b

    • SHA256

      2bfc1657c918035fab5fa2da8e4e76d54cf9b65ac1e65dcdede65cc19a6771f6

    • SHA512

      a5cb35ea0e5c6bb4553d258bcad76ea52db30370e84a065d6ca4e2924b08e6d2af85f6cde5dc99fc7c4e4396408a4fb390e2401026ae9698c1fcca3380f0aaeb

    • SSDEEP

      6144:TMM8fApOSxvbaiwb7AyT21XOHxXAsEbzd/CAuQ0ykuyoJlbOSvT+Pn1IB:N8f8vbad7Aya0R47uZuxJ7vT+/C

    • 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

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks