Analysis

  • max time kernel
    111s
  • max time network
    123s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    06/09/2021, 02:18

General

  • Target
    QUOTATION.exe
  • Size 251KB
  • Sample210906-crangshhe3
  • SHA256 f8ade39a8a4d146876556bcd93a09dc4b2f1ffe5adb33cf25f633171ba1f66f4
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    m$ExnQx8

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    m$ExnQx8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Drops startup file 2 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
      2⤵
      • Drops startup file
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3884
    • C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTATION.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:508

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/508-143-0x0000000005450000-0x000000000594E000-memory.dmp

        memory/508-157-0x00000000067E0000-0x00000000067E1000-memory.dmp

        memory/508-145-0x00000000068E0000-0x00000000068E1000-memory.dmp

        memory/508-133-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/664-118-0x0000000005210000-0x0000000005211000-memory.dmp

        memory/664-119-0x0000000005100000-0x000000000513C000-memory.dmp

        memory/664-120-0x00000000052B0000-0x00000000052B1000-memory.dmp

        memory/664-121-0x0000000005160000-0x0000000005161000-memory.dmp

        memory/664-115-0x0000000000850000-0x0000000000851000-memory.dmp

        memory/664-117-0x0000000005670000-0x0000000005671000-memory.dmp

        memory/664-130-0x0000000002C10000-0x0000000002C1F000-memory.dmp

        memory/3884-125-0x0000000001040000-0x0000000001041000-memory.dmp

        memory/3884-142-0x0000000007CF0000-0x0000000007CF1000-memory.dmp

        memory/3884-131-0x0000000007610000-0x0000000007611000-memory.dmp

        memory/3884-129-0x0000000006F20000-0x0000000006F21000-memory.dmp

        memory/3884-128-0x0000000001092000-0x0000000001093000-memory.dmp

        memory/3884-139-0x00000000077F0000-0x00000000077F1000-memory.dmp

        memory/3884-141-0x0000000007BA0000-0x0000000007BA1000-memory.dmp

        memory/3884-132-0x0000000007780000-0x0000000007781000-memory.dmp

        memory/3884-127-0x0000000001090000-0x0000000001091000-memory.dmp

        memory/3884-144-0x0000000008020000-0x0000000008021000-memory.dmp

        memory/3884-126-0x0000000006F70000-0x0000000006F71000-memory.dmp

        memory/3884-150-0x0000000008FB0000-0x0000000008FB1000-memory.dmp

        memory/3884-151-0x0000000008CA0000-0x0000000008CA1000-memory.dmp

        memory/3884-152-0x0000000008F10000-0x0000000008F11000-memory.dmp

        memory/3884-155-0x0000000001093000-0x0000000001094000-memory.dmp