General

  • Target

    SolaraBootstapper.exe

  • Size

    65KB

  • Sample

    240723-lca55sycmc

  • MD5

    6e7a02155f6abafcdaf3203ee8407a31

  • SHA1

    6379c4b9d9398d6faf7fc5e40c45fd86d94e9d3b

  • SHA256

    4d827a102b732bf26cb1624030434a9427a9fc44cd0d787f4a8488bd3947a820

  • SHA512

    7ce060561f541fd49a7a9bfe2ae6e0f5f5880447618660577a468e345115f0461e8b5277f009dd15cb9164f3fcbe83656d936b7cd243071495c69570b0329964

  • SSDEEP

    1536:hs9sLzLCyOgNbco4jvLl2p16pg8rOlaHqd:0vgNbc5vLlWn8rOlaKd

Malware Config

Extracted

Family

xworm

C2

loss-winners.gl.at.ply.gg:61007

Attributes
  • Install_directory

    %AppData%

  • install_file

    Expensive 3.1.exe

Targets

    • Target

      SolaraBootstapper.exe

    • Size

      65KB

    • MD5

      6e7a02155f6abafcdaf3203ee8407a31

    • SHA1

      6379c4b9d9398d6faf7fc5e40c45fd86d94e9d3b

    • SHA256

      4d827a102b732bf26cb1624030434a9427a9fc44cd0d787f4a8488bd3947a820

    • SHA512

      7ce060561f541fd49a7a9bfe2ae6e0f5f5880447618660577a468e345115f0461e8b5277f009dd15cb9164f3fcbe83656d936b7cd243071495c69570b0329964

    • SSDEEP

      1536:hs9sLzLCyOgNbco4jvLl2p16pg8rOlaHqd:0vgNbc5vLlWn8rOlaKd

    • 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

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks