General

  • Target

    362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

  • Size

    66KB

  • Sample

    241212-y3n6xawndy

  • MD5

    db69b881c533823b0a6cc3457dae6394

  • SHA1

    4b9532efa31c638bcce20cdd2e965ad80f98d87b

  • SHA256

    362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

  • SHA512

    b9fe75ac47c1aa2c0ba49d648598346a26828e7aa9f572d6aebece94d8d3654d82309af54173278be27f78d4b58db1c3d001cb50596900dee63f4fb9988fb6df

  • SSDEEP

    1536:6t0UYc38zWpfs4FkXtUg4QbskJrptNbm6E60OilVi:6t7R38zWXF0TbsU8O2s

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %Userprofile%

  • install_file

    MicrosoftProfile.exe

  • pastebin_url

    https://pastebin.com/raw/yDTTG7qZ

Targets

    • Target

      362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

    • Size

      66KB

    • MD5

      db69b881c533823b0a6cc3457dae6394

    • SHA1

      4b9532efa31c638bcce20cdd2e965ad80f98d87b

    • SHA256

      362d1d060b612cb88ec9a1835f9651b5eff1ef1179711892385c2ab44d826969

    • SHA512

      b9fe75ac47c1aa2c0ba49d648598346a26828e7aa9f572d6aebece94d8d3654d82309af54173278be27f78d4b58db1c3d001cb50596900dee63f4fb9988fb6df

    • SSDEEP

      1536:6t0UYc38zWpfs4FkXtUg4QbskJrptNbm6E60OilVi:6t7R38zWXF0TbsU8O2s

    • 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

    • Command and Scripting Interpreter: PowerShell

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

    • 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

    • 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.

MITRE ATT&CK Enterprise v15

Tasks