Resubmissions

23-06-2024 14:41

240623-r2tlnsyblp 10

23-06-2024 14:41

240623-r2gbcavbqa 10

23-06-2024 13:03

240623-qaqj9s1enc 10

23-06-2024 12:34

240623-pr56lsthjk 10

General

  • Target

    Bloxstrap 2.5.4.exe

  • Size

    66KB

  • Sample

    240623-qaqj9s1enc

  • MD5

    0680a239ba405c1935c687ebdf6d4540

  • SHA1

    bf2cc8de357fe1af9888e120e1c139ca2bc77c15

  • SHA256

    10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

  • SHA512

    09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

  • SSDEEP

    1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG

Malware Config

Extracted

Family

xworm

C2

medical-m.gl.at.ply.gg:28857

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Runtime Broker.exe

Targets

    • Target

      Bloxstrap 2.5.4.exe

    • Size

      66KB

    • MD5

      0680a239ba405c1935c687ebdf6d4540

    • SHA1

      bf2cc8de357fe1af9888e120e1c139ca2bc77c15

    • SHA256

      10db45b88db5377749bce89b2fe511917e38d027e539ac652ea79829fb82985d

    • SHA512

      09ff2d0449404f7b704cb8270ceecfc87d84c42c202a55ce20fb425230d81f5bf8a798c1c52a2a1ed19c599ad8d2f72188c561d734dd79ac70b7973fbd07fc73

    • SSDEEP

      1536:44Sw2KfDxiZcy2fdbdFSQ37E6vObaKjG:4OL1yGdbdF5ZObPG

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Command and Scripting Interpreter: PowerShell

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

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • 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