Analysis

  • max time kernel
    56s
  • max time network
    58s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    02/07/2021, 08:42

General

  • Target
    RFQ___FL.EXE
  • Size 772KB
  • Sample210702-5dwgen7tye
  • SHA256 f8e4c7f5480d6b302e4870ca9eb28118ee47dd0dad4b689450782dfce53b8685
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    smtp.francescoborgheti.com

  • Port

    587

  • Password

    y}rDgrv_Y3!2

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • 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\RFQ___FL.EXE
    "C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1116
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qDGNoJAVsTtO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCCA.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1776
    • C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE
      "C:\Users\Admin\AppData\Local\Temp\RFQ___FL.EXE"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:320

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/320-67-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/320-69-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/320-71-0x0000000000A20000-0x0000000000A21000-memory.dmp

        memory/1116-59-0x0000000000890000-0x0000000000891000-memory.dmp

        memory/1116-61-0x0000000004310000-0x0000000004311000-memory.dmp

        memory/1116-62-0x0000000009E00000-0x000000000BDFF000-memory.dmp

        memory/1116-63-0x0000000004750000-0x00000000047B4000-memory.dmp

        memory/1116-64-0x0000000000510000-0x000000000053F000-memory.dmp