General

  • Target

    Proton Release V1.1.exe

  • Size

    8.5MB

  • Sample

    240629-qwcwas1glr

  • MD5

    0f158e3126ea5bb67c5a8fb4d63fe8cb

  • SHA1

    bc38cd05e556ffc54fa53cf700ca77df2cab5b9e

  • SHA256

    89c6adcac801f50d168c651eff356ea62355a4b76fc06d386665f0af38418bb5

  • SHA512

    6f241f2ddbb87b664adaeef7c9322514cfcaeabc0661a67b37dd0bdc2cce5ae3b70938e0d1643983f09d01ebb9977dabceb64f229b8d936d8a82f1a803ce97cf

  • SSDEEP

    196608:4OsDeh76oe1vFy4w7LT/Iy5NoFAxLsgWCOqAIiCL2oeYbl7Cdvb8lDB9tfimcPDL:4OsDkWp/y4w7LjIyHoWle9+LeYblUgZv

Malware Config

Extracted

Family

xworm

C2

91.92.241.69:5555

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    PhoneLink.exe

Targets

    • Target

      Proton Release V1.1.exe

    • Size

      8.5MB

    • MD5

      0f158e3126ea5bb67c5a8fb4d63fe8cb

    • SHA1

      bc38cd05e556ffc54fa53cf700ca77df2cab5b9e

    • SHA256

      89c6adcac801f50d168c651eff356ea62355a4b76fc06d386665f0af38418bb5

    • SHA512

      6f241f2ddbb87b664adaeef7c9322514cfcaeabc0661a67b37dd0bdc2cce5ae3b70938e0d1643983f09d01ebb9977dabceb64f229b8d936d8a82f1a803ce97cf

    • SSDEEP

      196608:4OsDeh76oe1vFy4w7LT/Iy5NoFAxLsgWCOqAIiCL2oeYbl7Cdvb8lDB9tfimcPDL:4OsDkWp/y4w7LjIyHoWle9+LeYblUgZv

    • Detect Xworm 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.

    • Drops startup file

    • 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

    • 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 Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Tasks