General

  • Target

    NLHybridInstaller.exe

  • Size

    2.0MB

  • Sample

    241113-gfbhvsxcjj

  • MD5

    cf7734eb96e90bb9beb67c4cea3c3c2c

  • SHA1

    1695cc75145439634e1beb3b6b568096f0474239

  • SHA256

    c5fc6ccc1b183c14888a0a832a52ea7ee37efa0e84f6712aae56101c48da983e

  • SHA512

    338ec39d7146e5451acdf563db88df0affda014f67a0fcd012b8e3e3b7a7aa97dc485a3bc2d31dac23d7cac286d7341a34ddd3ac7f1d6d78d5277e2ee6b1132a

  • SSDEEP

    24576:HawwKusHwEwSDMn64+uT361idUSeMITCqgcfyr4Py6K22i+i8rtVs1ZY7jQY71M:XwREDDMcuT36AdHeMxWrP+beY7UY71M

Malware Config

Extracted

Family

xworm

C2

high-outline.gl.at.ply.gg:9999

Attributes
  • Install_directory

    %AppData%

  • install_file

    windows32upder0x0021.exe

Targets

    • Target

      NLHybridInstaller.exe

    • Size

      2.0MB

    • MD5

      cf7734eb96e90bb9beb67c4cea3c3c2c

    • SHA1

      1695cc75145439634e1beb3b6b568096f0474239

    • SHA256

      c5fc6ccc1b183c14888a0a832a52ea7ee37efa0e84f6712aae56101c48da983e

    • SHA512

      338ec39d7146e5451acdf563db88df0affda014f67a0fcd012b8e3e3b7a7aa97dc485a3bc2d31dac23d7cac286d7341a34ddd3ac7f1d6d78d5277e2ee6b1132a

    • SSDEEP

      24576:HawwKusHwEwSDMn64+uT361idUSeMITCqgcfyr4Py6K22i+i8rtVs1ZY7jQY71M:XwREDDMcuT36AdHeMxWrP+beY7UY71M

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • 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