Analysis

  • max time kernel
    65s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/01/2023, 13:00

General

  • Target
    file.exe
  • Size 849KB
  • Sample230125-p8nb5agb28
  • SHA256 7d1c91342282f5a34d6035a539fa1b3f0ae9e62182cb749c1269807b2deea2be
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials
  • Protocol

    smtp

  • Host

    us2.smtp.mailhostbox.com

  • Port

    587

  • Password

    ^!uJBr^9 daniel

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\UBKVzlc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UBKVzlc" /XML "C:\Users\Admin\AppData\Local\Temp\tmp966.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1956
    • C:\Users\Admin\AppData\Local\Temp\file.exe
      "C:\Users\Admin\AppData\Local\Temp\file.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3652

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        tmp966.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\tmp966.tmp
        • Size 1KB
        • SHA256 432ca02140126e92a2b3304c8ed315b9a59d2bae749a1f08614adcf2a3ee2b10
        • MD5 SHA1 SHA512

        memory/3652-142-0x0000000000400000-0x0000000000426000-memory.dmp

        memory/3652-158-0x0000000006C00000-0x0000000006DC2000-memory.dmp

        memory/4664-133-0x0000000005E50000-0x00000000063F4000-memory.dmp

        memory/4664-134-0x0000000005940000-0x00000000059D2000-memory.dmp

        memory/4664-135-0x0000000003540000-0x000000000354A000-memory.dmp

        memory/4664-136-0x0000000006400000-0x000000000649C000-memory.dmp

        memory/4664-132-0x0000000000E00000-0x0000000000EDA000-memory.dmp

        memory/4756-144-0x0000000005850000-0x0000000005872000-memory.dmp

        memory/4756-151-0x0000000008060000-0x00000000086DA000-memory.dmp

        memory/4756-139-0x0000000002DF0000-0x0000000002E26000-memory.dmp

        memory/4756-145-0x0000000006030000-0x0000000006096000-memory.dmp

        memory/4756-146-0x00000000060A0000-0x0000000006106000-memory.dmp

        memory/4756-147-0x0000000006700000-0x000000000671E000-memory.dmp

        memory/4756-148-0x00000000076D0000-0x0000000007702000-memory.dmp

        memory/4756-149-0x0000000070DC0000-0x0000000070E0C000-memory.dmp

        memory/4756-150-0x0000000006CB0000-0x0000000006CCE000-memory.dmp

        memory/4756-143-0x0000000005890000-0x0000000005EB8000-memory.dmp

        memory/4756-152-0x0000000007A20000-0x0000000007A3A000-memory.dmp

        memory/4756-153-0x0000000007AA0000-0x0000000007AAA000-memory.dmp

        memory/4756-154-0x0000000007CB0000-0x0000000007D46000-memory.dmp

        memory/4756-155-0x0000000007C60000-0x0000000007C6E000-memory.dmp

        memory/4756-156-0x0000000007D70000-0x0000000007D8A000-memory.dmp

        memory/4756-157-0x0000000007D50000-0x0000000007D58000-memory.dmp