General

  • Target

    4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe

  • Size

    598KB

  • Sample

    241015-btx15a1bkk

  • MD5

    4e699dc468a0255f77c815757f9a036f

  • SHA1

    f5ae9a7f87ffaf153b9c94894ab193ac68537801

  • SHA256

    4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7

  • SHA512

    dadd501f9d15fd13d0616d0fe66c82a4d16565fd7cc05c0b62e711ad503152076223c9e1c457aeaa3eb41d74d5c820e28e8f3e895219f11fc899c9fe4f17578f

  • SSDEEP

    12288:Rcir1S2IoOAc6/5rZGmy4CYoZno/mItqhrecBYCdcm4wnzgS+47J6CPBjYkMzZQw:mYo9ouI+rqCdxzX16CP5YxzZUH0

Malware Config

Targets

    • Target

      4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7.exe

    • Size

      598KB

    • MD5

      4e699dc468a0255f77c815757f9a036f

    • SHA1

      f5ae9a7f87ffaf153b9c94894ab193ac68537801

    • SHA256

      4b7fd648f2be722b797647d77097c9245f2d61d9898913544f3f1702ced2a3d7

    • SHA512

      dadd501f9d15fd13d0616d0fe66c82a4d16565fd7cc05c0b62e711ad503152076223c9e1c457aeaa3eb41d74d5c820e28e8f3e895219f11fc899c9fe4f17578f

    • SSDEEP

      12288:Rcir1S2IoOAc6/5rZGmy4CYoZno/mItqhrecBYCdcm4wnzgS+47J6CPBjYkMzZQw:mYo9ouI+rqCdxzX16CP5YxzZUH0

    • 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