General

  • Target

    2a0ac2b38c51d764422f55d55a0bca58be786c10b0b1386c5dce3055894c0ef2

  • Size

    87KB

  • Sample

    240522-1e9h2shf2y

  • MD5

    ab378d6539627c52dbfc272c83eb420c

  • SHA1

    039060f0fdefbe0a62147a7bbad9b1a526a78d61

  • SHA256

    2a0ac2b38c51d764422f55d55a0bca58be786c10b0b1386c5dce3055894c0ef2

  • SHA512

    afe3be5f89ad67e2c4440d44c6ed890853eecb6cf34faed20d61ae49f30fa30a5cc390393b3ef4609a34a2121b6831cacf00ee6aa62c268e0b9fce0223bb0222

  • SSDEEP

    1536:L7fPGykbOqjoHm4pICdfkLtAfupcWX50MxFY+yIOlnToIfNxFOy:Hq6+ouCpk2mpcWJ0r+QNTBfNZ

Malware Config

Extracted

Family

xworm

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    winlogon.exe

  • pastebin_url

    https://pastebin.com/raw/kTrgfRNT

  • telegram

    https://api.telegram.org/bot6820329388:AAG0ljIyZ1Cj86n9cgzLGNBMldBe9TtqhAM/sendMessage?chat_id=1330099235

Targets

    • Target

      2a0ac2b38c51d764422f55d55a0bca58be786c10b0b1386c5dce3055894c0ef2

    • Size

      87KB

    • MD5

      ab378d6539627c52dbfc272c83eb420c

    • SHA1

      039060f0fdefbe0a62147a7bbad9b1a526a78d61

    • SHA256

      2a0ac2b38c51d764422f55d55a0bca58be786c10b0b1386c5dce3055894c0ef2

    • SHA512

      afe3be5f89ad67e2c4440d44c6ed890853eecb6cf34faed20d61ae49f30fa30a5cc390393b3ef4609a34a2121b6831cacf00ee6aa62c268e0b9fce0223bb0222

    • SSDEEP

      1536:L7fPGykbOqjoHm4pICdfkLtAfupcWX50MxFY+yIOlnToIfNxFOy:Hq6+ouCpk2mpcWJ0r+QNTBfNZ

    • 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.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • 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