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General

  • Target

    XClient.exe

  • Size

    174KB

  • Sample

    250322-me74bsvqw9

  • MD5

    a6cc70ece3acb1443a203972dc007a6c

  • SHA1

    c2bfd3e0a43bffcb7dbba118e507c423c5ed8869

  • SHA256

    abe47f0361c9878b2f4475dc8989e9055012a0c4ce1cc18f913bc9b89d618b45

  • SHA512

    a1c9aad284b2a14b12f22154d8bc6500d0ff4d330671fc958c0a0fab3a7437bccbaec5e8ca099f399f2ab4499dccea7224f68dedf726ed1818b2fbcd2819fa1f

  • SSDEEP

    3072:jNWJcweLkbmlHBOgzca3v7EsUT8rmtIhF:jacAbCT/HUTftO

Malware Config

Extracted

Family

xworm

C2

such-captain.gl.at.ply.gg:7723

Attributes
  • install_file

    USB.exe

Targets

    • Target

      XClient.exe

    • Size

      174KB

    • MD5

      a6cc70ece3acb1443a203972dc007a6c

    • SHA1

      c2bfd3e0a43bffcb7dbba118e507c423c5ed8869

    • SHA256

      abe47f0361c9878b2f4475dc8989e9055012a0c4ce1cc18f913bc9b89d618b45

    • SHA512

      a1c9aad284b2a14b12f22154d8bc6500d0ff4d330671fc958c0a0fab3a7437bccbaec5e8ca099f399f2ab4499dccea7224f68dedf726ed1818b2fbcd2819fa1f

    • SSDEEP

      3072:jNWJcweLkbmlHBOgzca3v7EsUT8rmtIhF:jacAbCT/HUTftO

    • Contains code to disable Windows Defender

      A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

    • Detect Xworm Payload

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Ramnit

      Ramnit is a versatile family that holds viruses, worms, and Trojans.

    • Ramnit family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • 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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks