Analysis

  • max time kernel
    85s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2023, 10:42

General

  • Target
    PO_materials004562.exe
  • Size 1006KB
  • Sample230601-mrnv8aec6t
  • SHA256 e37ebeca28287987f41bcb34294d1cd4b4806bf04bb96248597f47779122cac1
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    Mail.virtualfrank.org

  • Port

    587

  • Password

    Oluchi@1983!

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 2 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\PO_materials004562.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_materials004562.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\PO_materials004562.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_materials004562.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4808

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        PO_materials004562.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO_materials004562.exe.log
        • Size 1KB
        • SHA256 8cb00a15cd942a1861c573d86d6fb430512c8e2f80f6349f48b16b8709ca7aa4
        • MD5 SHA1 SHA512

        memory/1788-133-0x0000000000CF0000-0x0000000000DF2000-memory.dmp

        memory/1788-134-0x0000000005D20000-0x00000000062C4000-memory.dmp

        memory/1788-135-0x0000000005810000-0x00000000058A2000-memory.dmp

        memory/1788-136-0x00000000057E0000-0x00000000057EA000-memory.dmp

        memory/1788-137-0x00000000059D0000-0x00000000059E0000-memory.dmp

        memory/1788-138-0x00000000059D0000-0x00000000059E0000-memory.dmp

        memory/1788-139-0x0000000008C80000-0x0000000008D1C000-memory.dmp

        memory/4808-140-0x0000000000400000-0x000000000047C000-memory.dmp

        memory/4808-143-0x0000000005240000-0x0000000005250000-memory.dmp

        memory/4808-144-0x0000000005240000-0x0000000005250000-memory.dmp