General

  • Target

    betabuild2.exe

  • Size

    8.0MB

  • Sample

    240129-rlkc3adagm

  • MD5

    f8e150ff0e3788bfc18558eafc94d921

  • SHA1

    26e06740e70783caaf20fb4ef9bf6e7e57cea678

  • SHA256

    9897c692bdfe80626c96d8825834be9158979c2926f65b761e41cba607895d8b

  • SHA512

    52b11e5afe60d792b64136053aac00057ac3888e93f028a3fffecb3b8f0dda2ae4fe2b8c6a74e9972538d377a51907f13fe8e2ee08d2d6906952a4d892269ffc

  • SSDEEP

    196608:O8t3afccVSE+mfkSV6qfwI7fRxzpkhuUgF5io9:xt3afccqmfLh7pfdF5iK

Malware Config

Extracted

Family

xworm

C2

5.39.43.50:5060

Attributes
  • Install_directory

    %AppData%

  • install_file

    svh0st.exe

Extracted

Family

blackguard

C2

https://api.telegram.org/bot6890098459:AAHjv04XcY7xWyP2Vkp5g2wyR9vE4yvtyHs/sendMessage?chat_id=937347419

Targets

    • Target

      betabuild2.exe

    • Size

      8.0MB

    • MD5

      f8e150ff0e3788bfc18558eafc94d921

    • SHA1

      26e06740e70783caaf20fb4ef9bf6e7e57cea678

    • SHA256

      9897c692bdfe80626c96d8825834be9158979c2926f65b761e41cba607895d8b

    • SHA512

      52b11e5afe60d792b64136053aac00057ac3888e93f028a3fffecb3b8f0dda2ae4fe2b8c6a74e9972538d377a51907f13fe8e2ee08d2d6906952a4d892269ffc

    • SSDEEP

      196608:O8t3afccVSE+mfkSV6qfwI7fRxzpkhuUgF5io9:xt3afccqmfLh7pfdF5iK

    • BlackGuard

      Infostealer first seen in Late 2021.

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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