General

  • Target

    KrampusV1.10.exe

  • Size

    84.5MB

  • Sample

    240325-x2wc6agb45

  • MD5

    92d11783cb833b95c042c7952ce1f4c0

  • SHA1

    a50c3f06331fe15ccf4e18644fedc2f520c44ac4

  • SHA256

    c78bc654f647e49a76272c62735e194cfcd20965963708547dbac0e67fc4f51a

  • SHA512

    2ef8bd4384edfec66178765768cceab625fdf1fe188416a16bb3d4b417f758ffa91b69c00702bfaf29359b0a204a74133cf3fa9a43a74a1fd6b8b09661052c7c

  • SSDEEP

    1572864:vwE1sfSde3eEbXt73YAaM6rkdFYr7wfKBzPLuUDLI3gHgj3f118eKwpMgJzFot:vwEmSde3vbXtLva14dF4gKxDXoX8ehpo

Malware Config

Extracted

Family

xworm

C2

length-mpegs.gl.at.ply.gg:9366

Attributes
  • Install_directory

    %Public%

  • install_file

    DaHoodUnban.exe

  • telegram

    https://api.telegram.org/bot7082888193:AAEZ-QonUE57h7crcRYyMzZXt4Pa9br_3xA/sendMessage?chat_id=6044060082

Targets

    • Target

      KrampusV1.10.exe

    • Size

      84.5MB

    • MD5

      92d11783cb833b95c042c7952ce1f4c0

    • SHA1

      a50c3f06331fe15ccf4e18644fedc2f520c44ac4

    • SHA256

      c78bc654f647e49a76272c62735e194cfcd20965963708547dbac0e67fc4f51a

    • SHA512

      2ef8bd4384edfec66178765768cceab625fdf1fe188416a16bb3d4b417f758ffa91b69c00702bfaf29359b0a204a74133cf3fa9a43a74a1fd6b8b09661052c7c

    • SSDEEP

      1572864:vwE1sfSde3eEbXt73YAaM6rkdFYr7wfKBzPLuUDLI3gHgj3f118eKwpMgJzFot:vwEmSde3vbXtLva14dF4gKxDXoX8ehpo

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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 v15

Tasks