General

  • Target

    1b99f0bf9216a89b8320e63cbd18a292.exe

  • Size

    1.3MB

  • Sample

    241016-19mmrszckm

  • MD5

    1b99f0bf9216a89b8320e63cbd18a292

  • SHA1

    6a199cb43cb4f808183918ddb6eadc760f7cb680

  • SHA256

    5275e3db6276e5f0b85eff0c7b0282f56268646766b1566ba8f797e6ba2a9357

  • SHA512

    02b7f410c6ccfd7d43159287424916a310b7e82c91cdb85eaeade16cf5614265a8bdcce8e6dcc2240ea54930cfb190f26ada3d5c926b50617a9826197f9cf382

  • SSDEEP

    24576:J64p16BppRskYGC/cJUE7P6nxhpBaTn+CC6YtGz:JzpEBrRb4MonrpATDcUz

Malware Config

Extracted

Family

xworm

Version

5.0

C2

104.219.239.11:6969

Mutex

QMHDjhLW52nOcp4a

Attributes
  • Install_directory

    %AppData%

  • install_file

    OneDrive.exe

  • telegram

    https://api.telegram.org/bot5372344229:AAEM46DF5hWBLPbN5UErJaoJvlNvm-ZJXyg

aes.plain

Targets

    • Target

      1b99f0bf9216a89b8320e63cbd18a292.exe

    • Size

      1.3MB

    • MD5

      1b99f0bf9216a89b8320e63cbd18a292

    • SHA1

      6a199cb43cb4f808183918ddb6eadc760f7cb680

    • SHA256

      5275e3db6276e5f0b85eff0c7b0282f56268646766b1566ba8f797e6ba2a9357

    • SHA512

      02b7f410c6ccfd7d43159287424916a310b7e82c91cdb85eaeade16cf5614265a8bdcce8e6dcc2240ea54930cfb190f26ada3d5c926b50617a9826197f9cf382

    • SSDEEP

      24576:J64p16BppRskYGC/cJUE7P6nxhpBaTn+CC6YtGz:JzpEBrRb4MonrpATDcUz

    • 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

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks