Analysis

  • max time kernel
    63s
  • max time network
    107s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    06/07/2021, 16:11

General

  • Target
    PI.exe
  • Size 1.3MB
  • Sample210706-e9qankld6a
  • SHA256 a6d3022b85a06e7711cf0a95786517d098852f39687134c70cc0a718c57b5016
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    $ASmZLn8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PI.exe
    "C:\Users\Admin\AppData\Local\Temp\PI.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2040
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JarWPikh" /XML "C:\Users\Admin\AppData\Local\Temp\tmp7F3E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:592
    • C:\Users\Admin\AppData\Local\Temp\PI.exe
      "C:\Users\Admin\AppData\Local\Temp\PI.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1008

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1008-67-0x0000000000400000-0x000000000046A000-memory.dmp

        memory/1008-69-0x0000000000400000-0x000000000046A000-memory.dmp

        memory/1008-71-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

        memory/2040-59-0x0000000000B50000-0x0000000000B51000-memory.dmp

        memory/2040-61-0x0000000004480000-0x0000000004481000-memory.dmp

        memory/2040-62-0x0000000000530000-0x000000000053F000-memory.dmp

        memory/2040-63-0x0000000005670000-0x00000000056E1000-memory.dmp

        memory/2040-64-0x0000000005900000-0x000000000597A000-memory.dmp