Analysis

  • max time kernel
    146s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    19/11/2020, 14:44

General

  • Target
    xoTrmJx7i6t8dy9.exe
  • Size 573KB
  • Sample201119-vcjntwvr8a
  • SHA256 ed18bf204914e704fe7d77312b00b654d329666334abaf7bd3af546bad9dc4a6
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    orisinlog.com

  • Port

    21

  • Password

    fENCThl=g{Ft

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    ftp

  • Host

    ftp://orisinlog.com/

  • Port

    21

  • Password

    fENCThl=g{Ft

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 1 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.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\xoTrmJx7i6t8dy9.exe
    "C:\Users\Admin\AppData\Local\Temp\xoTrmJx7i6t8dy9.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4680
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\yYezRekP" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD799.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4296

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/4680-4-0x00000000079B0000-0x00000000079B1000-memory.dmp

        memory/4680-0-0x0000000073900000-0x0000000073FEE000-memory.dmp

        memory/4680-5-0x00000000079A0000-0x00000000079A1000-memory.dmp

        memory/4680-6-0x000000000A3A0000-0x000000000A3A1000-memory.dmp

        memory/4680-7-0x0000000007CF0000-0x0000000007D04000-memory.dmp

        memory/4680-8-0x0000000009780000-0x000000000980F000-memory.dmp

        memory/4680-9-0x000000000A210000-0x000000000A211000-memory.dmp

        memory/4680-3-0x0000000007DD0000-0x0000000007DD1000-memory.dmp

        memory/4680-1-0x00000000009B0000-0x00000000009B1000-memory.dmp

        memory/4680-12-0x000000000AE60000-0x000000000AEC3000-memory.dmp

        memory/4680-13-0x000000000B500000-0x000000000B501000-memory.dmp