Overview

overview

10

Static

static

1

system32.rar

windows10-2004-x64

Sharing

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General

  • Target
    system32.rar
  • Size 28KB
  • Sample260816-b7vg6axdkc
  • SHA256 89d05872f903257a6adfc54e871a186a6d85b74d030a5d8a6be2fe0b57125d67
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
xwormdefense_evasiondiscoveryexecutionpersistencerattrojan

Malware Config

Extracted

Family

  • xworm

Version

  • 5.0

C2

  • 22.tcp.cpolar.top:14240

Mutex

  • zh5wWj9yPpdFD9ir

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target
      system32.rar
    • Size 28KB
    • SHA256 89d05872f903257a6adfc54e871a186a6d85b74d030a5d8a6be2fe0b57125d67
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasiondiscoveryexecutionxwormpersistencerattrojan

    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

      trojanratxworm

    • Looks for VirtualBox Guest Additions in registry

      defense_evasion

    • Looks for VMWare Tools registry key

      defense_evasion

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    behavioral1

MITRE ATT&CK Enterprise v16

Tasks