Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2023 06:09

General

  • Target

    AEAT - Aviso de Notificación (2).exe

  • Size

    548KB

  • MD5

    7bbadb55076fd343bed53fb839524c92

  • SHA1

    4bb956cda4ca089cbfdc80f913fb7a2cc5bcc45d

  • SHA256

    74c687d2cbb8e93481530eba3ec627b5d9902901797e67fce58a949b8b50491c

  • SHA512

    d806d10c1df5e988d2a832bee1dc8a2cc22fb196e0abf471e2ceac8ca6dbe797e5b9e197867bcf579a47ed0fbdc6e8781e7bb0250ca1710ffbb95e3c8e1d4130

  • SSDEEP

    12288:EneUsNumB0lMBIlD1WtyDROlTJNR0trAeuq28cZs9I11vg/5:sjyOD1Wt2ON5KLcZsyYh

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe
    "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2984
    • C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe
      "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"
      2⤵
        PID:2612
      • C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe
        "C:\Users\Admin\AppData\Local\Temp\AEAT - Aviso de Notificación (2).exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3032

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2200-6-0x0000000000360000-0x000000000036A000-memory.dmp

      Filesize

      40KB

    • memory/2200-20-0x0000000074230000-0x000000007491E000-memory.dmp

      Filesize

      6.9MB

    • memory/2200-2-0x00000000004A0000-0x00000000004E0000-memory.dmp

      Filesize

      256KB

    • memory/2200-3-0x0000000000330000-0x0000000000348000-memory.dmp

      Filesize

      96KB

    • memory/2200-4-0x0000000074230000-0x000000007491E000-memory.dmp

      Filesize

      6.9MB

    • memory/2200-5-0x00000000004A0000-0x00000000004E0000-memory.dmp

      Filesize

      256KB

    • memory/2200-1-0x0000000074230000-0x000000007491E000-memory.dmp

      Filesize

      6.9MB

    • memory/2200-7-0x0000000000470000-0x000000000047C000-memory.dmp

      Filesize

      48KB

    • memory/2200-0-0x0000000000830000-0x00000000008C0000-memory.dmp

      Filesize

      576KB

    • memory/2200-8-0x0000000004FB0000-0x0000000005010000-memory.dmp

      Filesize

      384KB

    • memory/2984-28-0x000000006FBA0000-0x000000007014B000-memory.dmp

      Filesize

      5.7MB

    • memory/2984-26-0x000000006FBA0000-0x000000007014B000-memory.dmp

      Filesize

      5.7MB

    • memory/2984-27-0x00000000025F0000-0x0000000002630000-memory.dmp

      Filesize

      256KB

    • memory/2984-25-0x000000006FBA0000-0x000000007014B000-memory.dmp

      Filesize

      5.7MB

    • memory/3032-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-19-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-17-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-9-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-21-0x0000000074230000-0x000000007491E000-memory.dmp

      Filesize

      6.9MB

    • memory/3032-24-0x0000000004BD0000-0x0000000004C10000-memory.dmp

      Filesize

      256KB

    • memory/3032-15-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3032-11-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-10-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/3032-29-0x0000000074230000-0x000000007491E000-memory.dmp

      Filesize

      6.9MB

    • memory/3032-30-0x0000000004BD0000-0x0000000004C10000-memory.dmp

      Filesize

      256KB