Analysis

  • max time kernel
    61s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    08-02-2023 18:47

General

  • Target

    423cb81a6a34150f52d974f0b5ad7671.exe

  • Size

    918KB

  • MD5

    423cb81a6a34150f52d974f0b5ad7671

  • SHA1

    1edea836f2138dde98aad41beb959894abc9a7df

  • SHA256

    2f7fa88382210dc974ad20d7dd204655d5321cb220f7507bfbe57577c767d66a

  • SHA512

    b71cc796d5397476a9c2c4afe7b847c63d75c6edae57e45b05da05583d4308fdd6129e60fb27b753ffed0ed8dc5c92745e9709e294218d592d4652e03e9f2325

  • SSDEEP

    24576:A1bgzPGhgzfYbOMv1ZhLhJEX6C2qQ4fqqYW3wMYeT:AZyPyywb1vNEKfd4fqVW3wMYeT

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 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\423cb81a6a34150f52d974f0b5ad7671.exe
    "C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe
      "C:\Users\Admin\AppData\Local\Temp\423cb81a6a34150f52d974f0b5ad7671.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1472

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1472-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1472-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1472-71-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1472-69-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1472-61-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1472-66-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1472-60-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1768-55-0x0000000076961000-0x0000000076963000-memory.dmp

    Filesize

    8KB

  • memory/1768-54-0x0000000000250000-0x000000000033C000-memory.dmp

    Filesize

    944KB

  • memory/1768-59-0x0000000000A40000-0x0000000000A68000-memory.dmp

    Filesize

    160KB

  • memory/1768-58-0x00000000051F0000-0x0000000005272000-memory.dmp

    Filesize

    520KB

  • memory/1768-57-0x0000000000690000-0x000000000069C000-memory.dmp

    Filesize

    48KB

  • memory/1768-56-0x0000000000460000-0x0000000000474000-memory.dmp

    Filesize

    80KB