General

  • Target

    file.exe

  • Size

    105KB

  • Sample

    241105-rj1bha1rgs

  • MD5

    edd1f792f4dcfaa2e3cc2cb30ab248e8

  • SHA1

    2510594e8f4ba919813be0362e9fd7f0620680da

  • SHA256

    7876f0415e0a2c190ea29756895ebff0c1251abf7aaf1061731b8346564ab571

  • SHA512

    036bb0b4afeebc2e24675dcbd1973b7a54c70d0a33655b86582a19bfd116a78ba09344aedce2c3718a4ecaf894cd5d496019a8247fd9b8646f0c0c4b5cb30bf5

  • SSDEEP

    384:AMjfVU+V4yg3d2xMGJn6BrfKNG99Sjvb99SjvWp:d7XCVMxylB9Sbh9Sb

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://195.2.71.183:8081/0/3.hta

Extracted

Family

xworm

Version

5.0

C2

89.110.95.189:7000

Mutex

imlO5snuY8Gb0egY

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      file.exe

    • Size

      105KB

    • MD5

      edd1f792f4dcfaa2e3cc2cb30ab248e8

    • SHA1

      2510594e8f4ba919813be0362e9fd7f0620680da

    • SHA256

      7876f0415e0a2c190ea29756895ebff0c1251abf7aaf1061731b8346564ab571

    • SHA512

      036bb0b4afeebc2e24675dcbd1973b7a54c70d0a33655b86582a19bfd116a78ba09344aedce2c3718a4ecaf894cd5d496019a8247fd9b8646f0c0c4b5cb30bf5

    • SSDEEP

      384:AMjfVU+V4yg3d2xMGJn6BrfKNG99Sjvb99SjvWp:d7XCVMxylB9Sbh9Sb

    • Detect Xworm Payload

    • UAC bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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