Analysis

  • max time kernel
    103s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/03/2023, 17:20

General

  • Target
    QUOTE PRT23160 SPARES.exe
  • Size 606KB
  • Sample230330-vwe3wade66
  • SHA256 57d95c45b96c1edf90baee8b8754a9846d9c552ba95dcde23ab4da2f2e95573d
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot6277793502:AAFaTWA4hb8nXcXs5F93eGjEgEZnZ5zoSqc/sendMessage?chat_id=1598812422

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTE PRT23160 SPARES.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE PRT23160 SPARES.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\QUOTE PRT23160 SPARES.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTE PRT23160 SPARES.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:396

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        QUOTE PRT23160 SPARES.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\QUOTE PRT23160 SPARES.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        memory/396-140-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/396-143-0x0000000005B60000-0x0000000005B70000-memory.dmp

        memory/396-144-0x0000000006D20000-0x0000000006EE2000-memory.dmp

        memory/396-145-0x0000000005B60000-0x0000000005B70000-memory.dmp

        memory/3404-133-0x0000000000710000-0x00000000007AE000-memory.dmp

        memory/3404-134-0x0000000005660000-0x0000000005C04000-memory.dmp

        memory/3404-135-0x0000000005150000-0x00000000051E2000-memory.dmp

        memory/3404-136-0x00000000050D0000-0x00000000050E0000-memory.dmp

        memory/3404-137-0x0000000005300000-0x000000000530A000-memory.dmp

        memory/3404-138-0x00000000050D0000-0x00000000050E0000-memory.dmp

        memory/3404-139-0x0000000006A90000-0x0000000006B2C000-memory.dmp