General

  • Target

    mkhg_Overdue_payment.hta

  • Size

    9KB

  • Sample

    230925-l252taff22

  • MD5

    b9dfe024b3df498c61441d3f2f1bb498

  • SHA1

    1d12bec3e863aa225f7be5008598dd953e23dc05

  • SHA256

    3996b5a66262b9cf59b38a399d0467dae23a4044ddf26da24aa292659f3c0803

  • SHA512

    833887996411ab1614f9cb750ad8516eaf223c8af8db0919f75a3d05a8460c5a925fa62193f8c447cbcc5073252300d3d9dd2c56a295f9a198433f566a398a65

  • SSDEEP

    24:vVPaQJWpXy7RZnHDACVYxdNAbaCs58ms1e5XTldVbZiNMG:TJCy7R1ydNAbaHXtZG

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.product-secured.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.product-secured.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    2V8SHFwjad34@@##

Targets

    • Target

      mkhg_Overdue_payment.hta

    • Size

      9KB

    • MD5

      b9dfe024b3df498c61441d3f2f1bb498

    • SHA1

      1d12bec3e863aa225f7be5008598dd953e23dc05

    • SHA256

      3996b5a66262b9cf59b38a399d0467dae23a4044ddf26da24aa292659f3c0803

    • SHA512

      833887996411ab1614f9cb750ad8516eaf223c8af8db0919f75a3d05a8460c5a925fa62193f8c447cbcc5073252300d3d9dd2c56a295f9a198433f566a398a65

    • SSDEEP

      24:vVPaQJWpXy7RZnHDACVYxdNAbaCs58ms1e5XTldVbZiNMG:TJCy7R1ydNAbaHXtZG

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • 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 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.

    • An obfuscated cmd.exe command-line is typically used to evade detection.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks