General

  • Target

    Solara.exe

  • Size

    44KB

  • Sample

    250307-sx7heasqt7

  • MD5

    1bc146eb10ffc7f54a10675c0a50b8aa

  • SHA1

    1defb98f738ad166ae75627791cfa5ea1a67cff1

  • SHA256

    12c3013d0927f9f5b1c5706730c4a58b21dc88a5a9cbc09a9f45cdaea6ef5645

  • SHA512

    257fd0f675d9b0d5c813193bb1d551b1ba224c367aa316069ac5d79e2d0824a010e3efc3cf2b4c067271597e48d4b892b514df11ea85e201c26d244dae8da259

  • SSDEEP

    768:wNTRmetisWt2tKdouL3ZE9R9yFRPG9Xq6OOChwsGO6MiP:wNTketz8npE92Fw9Xq6OOCKVO9iP

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

6DZS49PzoxsJqrLO

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

  • pastebin_url

    https://pastebin.com/raw/FgmKAhUD

aes.plain

Targets

    • Target

      Solara.exe

    • Size

      44KB

    • MD5

      1bc146eb10ffc7f54a10675c0a50b8aa

    • SHA1

      1defb98f738ad166ae75627791cfa5ea1a67cff1

    • SHA256

      12c3013d0927f9f5b1c5706730c4a58b21dc88a5a9cbc09a9f45cdaea6ef5645

    • SHA512

      257fd0f675d9b0d5c813193bb1d551b1ba224c367aa316069ac5d79e2d0824a010e3efc3cf2b4c067271597e48d4b892b514df11ea85e201c26d244dae8da259

    • SSDEEP

      768:wNTRmetisWt2tKdouL3ZE9R9yFRPG9Xq6OOChwsGO6MiP:wNTketz8npE92Fw9Xq6OOCKVO9iP

    • Detect Xworm Payload

    • 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.

    • Drops startup file

    • Executes dropped EXE

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks