General

  • Target

    Onaylama.exe

  • Size

    779KB

  • Sample

    230605-mkc55sgd9v

  • MD5

    58ed7b45f9a275e2f338d61771a64687

  • SHA1

    3067e14aac837237a0f119458e09ccb305b46cba

  • SHA256

    76f01e4cfcfc115b4c26f3cae977d3390a6d205ed9ac87c74d471b3dda4bd4a2

  • SHA512

    7cfe5457686869f73d81da56800cae400cef69667f8f17fb14df87fe8629cc30f1c6a347aa33a44fedff9515603088f31a3942dcba00ed37ea9fd75a9591d60c

  • SSDEEP

    24576:wMU6SHlWxMiQW/O4ue7ujejax6r+zFbJJyGvd:qJlYMiQWmS7QejShJLyGvd

Malware Config

Extracted

Credentials

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

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mutuadebasto.pt
  • Port:
    587
  • Username:
    fernando.basto@mutuadebasto.pt
  • Password:
    mutua_Fernando123
  • Email To:
    jacga6381@gmail.com

Targets

    • Target

      Onaylama.exe

    • Size

      779KB

    • MD5

      58ed7b45f9a275e2f338d61771a64687

    • SHA1

      3067e14aac837237a0f119458e09ccb305b46cba

    • SHA256

      76f01e4cfcfc115b4c26f3cae977d3390a6d205ed9ac87c74d471b3dda4bd4a2

    • SHA512

      7cfe5457686869f73d81da56800cae400cef69667f8f17fb14df87fe8629cc30f1c6a347aa33a44fedff9515603088f31a3942dcba00ed37ea9fd75a9591d60c

    • SSDEEP

      24576:wMU6SHlWxMiQW/O4ue7ujejax6r+zFbJJyGvd:qJlYMiQWmS7QejShJLyGvd

    • 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

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks