General

  • Target

    CaixaBank _ banca digital CaixaBankNow.exe

  • Size

    767KB

  • Sample

    230602-qk3ycabe59

  • MD5

    4b6be38cb9bf11d6dfe312668ada7616

  • SHA1

    fef22666290a4dea202b4cce1ad934af6f61fd56

  • SHA256

    3c4b8818b3e073f0e5ac71ad850ae2ef3f1a5270d99169ee9892fe86977642af

  • SHA512

    2682673865311c2eda1c862f45974c5f43ff22357d8ccf849f91a8339a0095b1c7a1acf19ada128ef62c399eaf5ef61cd7f5e8e82b56df5fecc115a65ecefa81

  • SSDEEP

    12288:Lx+OSUAh3NVr572iNa7xdvo/MdyrhFgtDsuBHsSj5J4+saBGHfNP4yKylHaC1Z4h:0N1U9BqmycgiH75BMNP4yKDr3RXl/o1m

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mutuadebasto.pt
  • Port:
    587
  • Username:
    fernando.basto@mutuadebasto.pt
  • Password:
    mutua_Fernando123
  • Email To:
    brownrocketss@gmail.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mutuadebasto.pt
  • Port:
    587
  • Username:
    fernando.basto@mutuadebasto.pt
  • Password:
    mutua_Fernando123

Targets

    • Target

      CaixaBank _ banca digital CaixaBankNow.exe

    • Size

      767KB

    • MD5

      4b6be38cb9bf11d6dfe312668ada7616

    • SHA1

      fef22666290a4dea202b4cce1ad934af6f61fd56

    • SHA256

      3c4b8818b3e073f0e5ac71ad850ae2ef3f1a5270d99169ee9892fe86977642af

    • SHA512

      2682673865311c2eda1c862f45974c5f43ff22357d8ccf849f91a8339a0095b1c7a1acf19ada128ef62c399eaf5ef61cd7f5e8e82b56df5fecc115a65ecefa81

    • SSDEEP

      12288:Lx+OSUAh3NVr572iNa7xdvo/MdyrhFgtDsuBHsSj5J4+saBGHfNP4yKylHaC1Z4h:0N1U9BqmycgiH75BMNP4yKDr3RXl/o1m

    • Snake Keylogger

      Keylogger and Infostealer first seen in November 2020.

    • Snake Keylogger payload

    • 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 Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks