Analysis

  • max time kernel
    72s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    16/02/2023, 07:26

General

  • Target

    PO_287104.exe

  • Size

    842KB

  • MD5

    f615e598d877065643acffd926d9ae49

  • SHA1

    5474483ec48f3e34824990140d880186fe65a87c

  • SHA256

    075f9863f008b047005fada351f2e8f664d3896d40d3592427c0d3c420612302

  • SHA512

    8a06f2816a09c4ca4f9e272bb4d8e19a41b9d88be5e3515b226729fe6db8308a20b95fcc199ca45892f7123713291b6e17de7a170b6bfdffd084f46318df8dd0

  • SSDEEP

    12288:JO6IyPNgrxDd/V964VTe4wSOwHau5bGdTL4iCKJYodh:Uolgrx7osTeLYbYdTL4iCK9

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5478319803:AAHq9LkDUFBRvjOub4YfRlPURZxM59_BVnc/sendMessage?chat_id=5516439768

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\PO_287104.exe
    "C:\Users\Admin\AppData\Local\Temp\PO_287104.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\PO_287104.exe
      "C:\Users\Admin\AppData\Local\Temp\PO_287104.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1680

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1680-65-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1680-66-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1680-71-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1680-61-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1680-60-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1680-63-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1680-69-0x0000000000400000-0x0000000000426000-memory.dmp

          Filesize

          152KB

        • memory/1948-55-0x0000000075D71000-0x0000000075D73000-memory.dmp

          Filesize

          8KB

        • memory/1948-54-0x0000000000B80000-0x0000000000C58000-memory.dmp

          Filesize

          864KB

        • memory/1948-59-0x0000000004E30000-0x0000000004E5E000-memory.dmp

          Filesize

          184KB

        • memory/1948-58-0x0000000007DD0000-0x0000000007E4A000-memory.dmp

          Filesize

          488KB

        • memory/1948-57-0x0000000000510000-0x000000000051C000-memory.dmp

          Filesize

          48KB

        • memory/1948-56-0x0000000000450000-0x0000000000464000-memory.dmp

          Filesize

          80KB