General

  • Target

    Minerr.exe

  • Size

    2.1MB

  • Sample

    250302-2q63qsxrz8

  • MD5

    f46c6f4f73a0dee1aa7fd0e052048c16

  • SHA1

    881b1a082c8e13d28090b315eff308353bf9a0da

  • SHA256

    5d4826b4e67d3bee8c249587f56d570aa6a9df164023e07411efb1999beaf215

  • SHA512

    f71fdb51a599ac01e7556189ff3ea9869a772bcfeebf619522f9aa60a1c09e5590ca754e29d6098f2f16be973d70836b7391391c3a6c803fc8215e9f41020f14

  • SSDEEP

    24576:ILXNKU/m5FLQK63RD+u0nK9evQ2NVnF22p4V+Q6GixsAewetJMvgc6aJEdx4EKRZ:SXNKwcFLKg3Q2rcHYBhBe/M56TdF38

Malware Config

Extracted

Family

xworm

Version

5.0

Mutex

ppT2dXRAYHN1Fnfl

Attributes
  • Install_directory

    %AppData%

  • install_file

    svchost.exe

  • pastebin_url

    https://pastebin.com/raw/6EU9ps8S

aes.plain

Targets

    • Target

      Minerr.exe

    • Size

      2.1MB

    • MD5

      f46c6f4f73a0dee1aa7fd0e052048c16

    • SHA1

      881b1a082c8e13d28090b315eff308353bf9a0da

    • SHA256

      5d4826b4e67d3bee8c249587f56d570aa6a9df164023e07411efb1999beaf215

    • SHA512

      f71fdb51a599ac01e7556189ff3ea9869a772bcfeebf619522f9aa60a1c09e5590ca754e29d6098f2f16be973d70836b7391391c3a6c803fc8215e9f41020f14

    • SSDEEP

      24576:ILXNKU/m5FLQK63RD+u0nK9evQ2NVnF22p4V+Q6GixsAewetJMvgc6aJEdx4EKRZ:SXNKwcFLKg3Q2rcHYBhBe/M56TdF38

    • 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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks