General

  • Target

    Nursultan Alpha prem.exe

  • Size

    10.7MB

  • Sample

    240723-2gam6ssenn

  • MD5

    1c102721b943c3379682f52620a3ab55

  • SHA1

    b52cd09e68de0fe01224ea578bbfb4648bb6536b

  • SHA256

    4fcbd620672c55c010d665da16b8985a8ea361dcc12e294beffb2f613d5090bc

  • SHA512

    17abac79ffe8fafa4643572aaec235e464bf6831a9e9c2e2b145bbf7c18508e2e59f52ed40d6245ffb4ad5553a3a4683740f81388652ba54a33b81fa406b2c65

  • SSDEEP

    196608:8X4rDmgRiB2V2M0lFOqPy7T5M7ObotgHwI451jSo3OfYiri6od:PWgsB2F0lFOP7Ti6MtKX451jJkxiHd

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:62559

19.ip.gl.ply.gg:62559

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

Targets

    • Target

      Nursultan Alpha prem.exe

    • Size

      10.7MB

    • MD5

      1c102721b943c3379682f52620a3ab55

    • SHA1

      b52cd09e68de0fe01224ea578bbfb4648bb6536b

    • SHA256

      4fcbd620672c55c010d665da16b8985a8ea361dcc12e294beffb2f613d5090bc

    • SHA512

      17abac79ffe8fafa4643572aaec235e464bf6831a9e9c2e2b145bbf7c18508e2e59f52ed40d6245ffb4ad5553a3a4683740f81388652ba54a33b81fa406b2c65

    • SSDEEP

      196608:8X4rDmgRiB2V2M0lFOqPy7T5M7ObotgHwI451jSo3OfYiri6od:PWgsB2F0lFOP7Ti6MtKX451jJkxiHd

    • Detect Xworm Payload

    • Exela Stealer

      Exela Stealer is an open source stealer originally written in .NET and later transitioned to Python that was first observed in August 2023.

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

    • Deletes itself

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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.

    • Network Service Discovery

      Attempt to gather information on host's network.

    • Drops file in System32 directory

    • Enumerates processes with tasklist

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v15

Tasks