General

  • Target

    workpls.exe

  • Size

    80KB

  • Sample

    240614-glht5a1dqq

  • MD5

    7c5b4c2fb85480f3b020cabc27349803

  • SHA1

    b32c34e787dfc4caf435e136d24bf561568aaedb

  • SHA256

    15b874bf48138911f8e51bcd50b8fbfbb92b2195e841e8f019ec0a4bf43d0b3c

  • SHA512

    be8a1e88f5a9b3b022417aeecbe9a984f271434a64946ead097171311d66ae722be402f1f70d873c7db374ce32975a33edbd00d078c58c7dba0f294c958ed0b2

  • SSDEEP

    1536:tsONV0sICTBhsZBjCDTVj+bE8v5Cq6+uz1d46aI498NOkYF1Z:ts32tOKl+bEf+cd0I3OkEX

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

  • pastebin_url

    https://pastebin.com/raw/YetBwjAF

Targets

    • Target

      workpls.exe

    • Size

      80KB

    • MD5

      7c5b4c2fb85480f3b020cabc27349803

    • SHA1

      b32c34e787dfc4caf435e136d24bf561568aaedb

    • SHA256

      15b874bf48138911f8e51bcd50b8fbfbb92b2195e841e8f019ec0a4bf43d0b3c

    • SHA512

      be8a1e88f5a9b3b022417aeecbe9a984f271434a64946ead097171311d66ae722be402f1f70d873c7db374ce32975a33edbd00d078c58c7dba0f294c958ed0b2

    • SSDEEP

      1536:tsONV0sICTBhsZBjCDTVj+bE8v5Cq6+uz1d46aI498NOkYF1Z:ts32tOKl+bEf+cd0I3OkEX

    • 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

    • Legitimate hosting services abused for malware hosting/C2

MITRE ATT&CK Enterprise v15

Tasks