Analysis

  • max time kernel
    54s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    30-09-2022 12:23

General

  • Target

    tmp.exe

  • Size

    710KB

  • MD5

    0bcea97bbf8109cb95c4483a60bcf3f8

  • SHA1

    4c52328289dc823cf96c3f99849e4bfc42ee1131

  • SHA256

    bc7b775cfbdc68e4c1c023ec0568e9c301f95fb531a55acda10cbbc312a393eb

  • SHA512

    21a1dccc8e1d4ce12da5b73b205e0df4c81a7dd7286ed019fc5ae0d1ca37359dfd660bfb955ff0cb44eec0acc127ef30654051b6c9c11ea9e7fe9751f4ebb060

  • SSDEEP

    12288:C+eBtaxy4sevTjgxSPUNkxjZ5gWI+p3c:3E4xjscTa7ojgb+Zc

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:860
    • C:\Users\Admin\AppData\Local\Temp\tmp.exe
      "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:552

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/552-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/552-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/552-71-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/552-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/552-67-0x00000000004201BE-mapping.dmp

  • memory/552-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/552-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/552-60-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/860-55-0x0000000074DE1000-0x0000000074DE3000-memory.dmp

    Filesize

    8KB

  • memory/860-54-0x00000000008C0000-0x0000000000978000-memory.dmp

    Filesize

    736KB

  • memory/860-59-0x0000000000870000-0x0000000000896000-memory.dmp

    Filesize

    152KB

  • memory/860-58-0x0000000005490000-0x0000000005510000-memory.dmp

    Filesize

    512KB

  • memory/860-57-0x00000000003C0000-0x00000000003CC000-memory.dmp

    Filesize

    48KB

  • memory/860-56-0x00000000003B0000-0x00000000003C4000-memory.dmp

    Filesize

    80KB