Analysis

  • max time kernel
    118s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    24-10-2023 20:08

General

  • Target

    NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe

  • Size

    324KB

  • MD5

    a7e406a5384a28f4ccc5a7267d32eefe

  • SHA1

    db3a4ca66734359ba1e0b1d3bce800efc954c1ea

  • SHA256

    7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4d

  • SHA512

    3fd510cc50d3ff29c1a9a24127170ae4f541de648919127e1ad5d794f6601ee9372a5dd98694ca0502ead500dbc2647ea7a876a5d3ca3e1c95bd1f14fb26d2a9

  • SSDEEP

    6144:tRyDjxdpk5cGr90DqZDrUN9uy25EGFGMghhapd8b/fNMIpCO:tRyDtdpkOGrmDqlriKE9DrbZn

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6374710888:AAEIfnNpPcl1WaTjVtUebQo-ASG58vFZQXQ/sendMessage?chat_id=5532763142

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
  • Adds Run key to start application 2 TTPs 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1876
    • C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
      C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
      2⤵
        PID:2724
      • C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
        C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
        2⤵
          PID:2784
        • C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
          C:\Users\Admin\AppData\Local\Temp\NEAS.7a11bbdedde47ea79c363c4a1c607d39deb591433c970c710d9310162037be4dexe_JC.exe
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2800

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • memory/1876-0-0x0000000000E90000-0x0000000000EE8000-memory.dmp

        Filesize

        352KB

      • memory/1876-1-0x00000000746F0000-0x0000000074DDE000-memory.dmp

        Filesize

        6.9MB

      • memory/1876-2-0x0000000000550000-0x0000000000590000-memory.dmp

        Filesize

        256KB

      • memory/1876-3-0x00000000004D0000-0x0000000000516000-memory.dmp

        Filesize

        280KB

      • memory/1876-4-0x0000000000720000-0x0000000000768000-memory.dmp

        Filesize

        288KB

      • memory/1876-5-0x0000000000210000-0x0000000000246000-memory.dmp

        Filesize

        216KB

      • memory/1876-6-0x0000000000DC0000-0x0000000000E0C000-memory.dmp

        Filesize

        304KB

      • memory/1876-21-0x00000000746F0000-0x0000000074DDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2800-13-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2800-12-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-10-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-16-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-20-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-8-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-18-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2800-22-0x00000000746F0000-0x0000000074DDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2800-23-0x0000000004B30000-0x0000000004B70000-memory.dmp

        Filesize

        256KB

      • memory/2800-24-0x00000000746F0000-0x0000000074DDE000-memory.dmp

        Filesize

        6.9MB

      • memory/2800-25-0x0000000004B30000-0x0000000004B70000-memory.dmp

        Filesize

        256KB