General

  • Target

    c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03

  • Size

    540KB

  • Sample

    240927-btejsa1blf

  • MD5

    b461fdd20f2a143a18842ce8d5ba78e3

  • SHA1

    6e32dd9e169e43451414f6e70f843a733420d9e1

  • SHA256

    c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03

  • SHA512

    8538b35af84c9c876ef15a79625ee56ea6b82c48d401e87ff64860c2e03649d9d72b49347359609d3f547544d5bb0eb80b504956fa9a4031de43dcb3704c7657

  • SSDEEP

    12288:j+aTOytzsHemt2RTwIHDz3eyuPDdMk8bQb8o:ri4oHt2RTw0NuBM3I8

Malware Config

Targets

    • Target

      c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03

    • Size

      540KB

    • MD5

      b461fdd20f2a143a18842ce8d5ba78e3

    • SHA1

      6e32dd9e169e43451414f6e70f843a733420d9e1

    • SHA256

      c0754ef2d380941d883546acd07227d3d111b9e9691d44eec23800c1a87c2a03

    • SHA512

      8538b35af84c9c876ef15a79625ee56ea6b82c48d401e87ff64860c2e03649d9d72b49347359609d3f547544d5bb0eb80b504956fa9a4031de43dcb3704c7657

    • SSDEEP

      12288:j+aTOytzsHemt2RTwIHDz3eyuPDdMk8bQb8o:ri4oHt2RTw0NuBM3I8

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • 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.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks