Analysis

  • max time kernel
    101s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2022, 06:35

General

  • Target
    hesaphareketi01 pdf.exe
  • Size 874KB
  • Sample221010-hcb6naagh7
  • SHA256 7f2facd4792ee73be46594902ab0c79ecc7b79b462e403596b88e27b0bbba5d5
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

C2
  • https://api.telegram.org/bot5503630831:AAGYIuw8LrLVvQb1hO8ZqTSsce27HhMrEKM/sendMessage?chat_id=1467583453

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 32 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\hesaphareketi01 pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\hesaphareketi01 pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4568
    • C:\Users\Admin\AppData\Local\Temp\hesaphareketi01 pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\hesaphareketi01 pdf.exe"
      2⤵
        PID:960
      • C:\Users\Admin\AppData\Local\Temp\hesaphareketi01 pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\hesaphareketi01 pdf.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:580

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          memory/580-141-0x0000000000400000-0x0000000000426000-memory.dmp

          memory/580-142-0x0000000006960000-0x0000000006B22000-memory.dmp

          memory/4568-133-0x0000000000010000-0x00000000000F0000-memory.dmp

          memory/4568-134-0x0000000005050000-0x00000000055F4000-memory.dmp

          memory/4568-135-0x00000000049A0000-0x0000000004A32000-memory.dmp

          memory/4568-136-0x0000000004940000-0x000000000494A000-memory.dmp

          memory/4568-137-0x00000000097E0000-0x000000000987C000-memory.dmp

          memory/4568-138-0x0000000000850000-0x00000000008B6000-memory.dmp