General

  • Target
    kop.exe
  • Size 157KB
  • Sample260504-d73vmsfv8k
  • SHA256 20da7c750b4c1162896320d3381121eb4bf71a19eee85234e9425d78c92c865c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • admingdtg.vn:6000

  • aliexpress.us.com:6000

Mutex
  • y5IogJoUK72chel2

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

aes.plain

Extracted

Family
  • asyncrat

Version
  • 0.5.7B

Botnet
  • C2

C2
  • admingdtg.vn:6606

  • admingdtg.vn:7707

  • admingdtg.vn:8808

  • admingdtg.vn:443

  • admingdtg.vn:80

  • admingdtg.vn:22

  • handyrenuopen.in.net:6606

  • handyrenuopen.in.net:7707

  • handyrenuopen.in.net:8808

  • handyrenuopen.in.net:443

  • handyrenuopen.in.net:80

  • handyrenuopen.in.net:22

  • roofing.gb.net:6606

  • roofing.gb.net:7707

  • roofing.gb.net:8808

  • roofing.gb.net:443

  • roofing.gb.net:80

  • roofing.gb.net:22

  • wplog.jp.net:6606

  • wplog.jp.net:7707

Mutex
  • AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_file

    venom.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target
      kop.exe
    • Size 157KB
    • SHA256 20da7c750b4c1162896320d3381121eb4bf71a19eee85234e9425d78c92c865c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Async RAT payload

    • Detect Xworm Payload

    • Family: AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Enterprise v16

Tasks