Analysis

  • max time kernel
    90s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2022, 11:52

General

  • Target
    53e3f272d787c3874cbd8c133b6bed3e.exe
  • Size 1.1MB
  • Sample221013-n1qa3scfdk
  • SHA256 78f1957ff80044cf3cee3e4efbedbb55f3b64814ed8804fd076822d4ffcbcb6a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\53e3f272d787c3874cbd8c133b6bed3e.exe
    "C:\Users\Admin\AppData\Local\Temp\53e3f272d787c3874cbd8c133b6bed3e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4724
    • C:\Users\Admin\AppData\Local\Temp\53e3f272d787c3874cbd8c133b6bed3e.exe
      "C:\Users\Admin\AppData\Local\Temp\53e3f272d787c3874cbd8c133b6bed3e.exe"
      2⤵
        PID:2392
      • C:\Users\Admin\AppData\Local\Temp\53e3f272d787c3874cbd8c133b6bed3e.exe
        "C:\Users\Admin\AppData\Local\Temp\53e3f272d787c3874cbd8c133b6bed3e.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3080

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          53e3f272d787c3874cbd8c133b6bed3e.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\53e3f272d787c3874cbd8c133b6bed3e.exe.log
          • Size 1KB
          • SHA256 bd9d5e9f7fe6fcff17d873555d4077d15f7d6cdda1183e7f7d278b735ffe1fd7
          • MD5 SHA1 SHA512

          memory/3080-140-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/3080-142-0x0000000006A00000-0x0000000006BC2000-memory.dmp

          memory/4724-132-0x0000000000FC0000-0x00000000010DE000-memory.dmp

          memory/4724-133-0x0000000006160000-0x0000000006704000-memory.dmp

          memory/4724-134-0x0000000005A80000-0x0000000005B12000-memory.dmp

          memory/4724-135-0x0000000005A60000-0x0000000005A6A000-memory.dmp

          memory/4724-136-0x00000000034A0000-0x000000000353C000-memory.dmp

          memory/4724-137-0x0000000001B60000-0x0000000001BC6000-memory.dmp