Analysis

  • max time kernel
    61s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/10/2022, 21:05

General

  • Target
    wealthzx.exe
  • Size 814KB
  • Sample221007-zw52hsdeh9
  • SHA256 a1033dfe29833b0ec5157f522f3e77de26462376efa1e6492d212ea767fbfced
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
C2
  • https://api.telegram.org/bot5321688653:AAEI2yqGrOA_-sRZ3xaqutrexraSgFa0AnA/sendMessage?chat_id=5048077662

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.

  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\wealthzx.exe
    "C:\Users\Admin\AppData\Local\Temp\wealthzx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Users\Admin\AppData\Local\Temp\wealthzx.exe
      "C:\Users\Admin\AppData\Local\Temp\wealthzx.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2088

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        wealthzx.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\wealthzx.exe.log
        • Size 1KB
        • SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
        • MD5 SHA1 SHA512

        memory/2088-139-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/2088-141-0x0000000006970000-0x0000000006B32000-memory.dmp

        memory/2108-132-0x00000000000A0000-0x0000000000170000-memory.dmp

        memory/2108-133-0x0000000004EC0000-0x0000000005464000-memory.dmp

        memory/2108-134-0x00000000049F0000-0x0000000004A82000-memory.dmp

        memory/2108-135-0x0000000004B80000-0x0000000004B8A000-memory.dmp

        memory/2108-136-0x0000000009730000-0x00000000097CC000-memory.dmp

        memory/2108-137-0x00000000097D0000-0x0000000009836000-memory.dmp