General

  • Target

    https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqazZsLUV0UTdQd3JZcF83S2JocGVWRVpUVTktUXxBQ3Jtc0tuV0R5UHhMTGJDNEhBbG1pMVN4VG9oZlp3NW14RkhDT1dUZ1R5SDlIMFBFaDVleHRld0dIZzRRZ3NNbU0yRzlxY1VpU2w2ZUFVV2oyeHllOUpyenlPdmhnUXFLRXhhcXlITEhqSUdBaHoyUU5TXzZvUQ&q=https%3A%2F%2Fmega.nz%2Ffile%2F83UFHCKC%23uL1GOpVN7EF_PKsaAcsxe8BK0J0-d2FXxfS4-wkYUpw

  • Sample

    250122-fzda5azndy

Malware Config

Extracted

Family

xworm

Version

5.0

C2

zulo1709.ddns.net:9000

Mutex

onNKOIL0jL4tWESr

Attributes
  • install_file

    USB.exe

  • telegram

    https://api.telegram.org/bot7127681762:AAHUqC7D_0UuQNB1K4J3rrtmIFpnDFQ6y24/sendMessage?chat_id=6413497536

aes.plain

Targets

    • Target

      https://www.youtube.com/redirect?event=comments&redir_token=QUFFLUhqazZsLUV0UTdQd3JZcF83S2JocGVWRVpUVTktUXxBQ3Jtc0tuV0R5UHhMTGJDNEhBbG1pMVN4VG9oZlp3NW14RkhDT1dUZ1R5SDlIMFBFaDVleHRld0dIZzRRZ3NNbU0yRzlxY1VpU2w2ZUFVV2oyeHllOUpyenlPdmhnUXFLRXhhcXlITEhqSUdBaHoyUU5TXzZvUQ&q=https%3A%2F%2Fmega.nz%2Ffile%2F83UFHCKC%23uL1GOpVN7EF_PKsaAcsxe8BK0J0-d2FXxfS4-wkYUpw

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks