Analysis

  • max time kernel
    79s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19/04/2023, 16:01

General

  • Target
    214504781-043310-sanlccjavap0004-6565.exe
  • Size 646KB
  • Sample230419-tf8jtabf68
  • SHA256 bd7cf632807ea761e4decacfe700f54df5729f05ee1a5d3c6ff9117bc3245e1e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\214504781-043310-sanlccjavap0004-6565.exe
    "C:\Users\Admin\AppData\Local\Temp\214504781-043310-sanlccjavap0004-6565.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:804
    • C:\Users\Admin\AppData\Local\Temp\214504781-043310-sanlccjavap0004-6565.exe
      "C:\Users\Admin\AppData\Local\Temp\214504781-043310-sanlccjavap0004-6565.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:268

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/268-66-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/268-68-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/268-72-0x00000000006B0000-0x00000000006F0000-memory.dmp

        memory/268-71-0x00000000006B0000-0x00000000006F0000-memory.dmp

        memory/268-70-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/268-64-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/268-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        memory/268-61-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/268-62-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/268-63-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/804-55-0x0000000004A30000-0x0000000004A70000-memory.dmp

        memory/804-60-0x0000000008020000-0x0000000008048000-memory.dmp

        memory/804-54-0x0000000000EA0000-0x0000000000F48000-memory.dmp

        memory/804-59-0x00000000087E0000-0x0000000008840000-memory.dmp

        memory/804-58-0x0000000000350000-0x000000000035C000-memory.dmp

        memory/804-57-0x0000000004A30000-0x0000000004A70000-memory.dmp

        memory/804-56-0x0000000000290000-0x00000000002A4000-memory.dmp