Analysis

  • max time kernel
    97s
  • max time network
    184s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    25-10-2023 18:09

General

  • Target

    NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe

  • Size

    717KB

  • MD5

    7de3603c105f2b4d2f6b597f0ea13c26

  • SHA1

    7b68dc91cf9417b7a1bee1c09f7ce6f607d38dc6

  • SHA256

    d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5c

  • SHA512

    fe2400a2342a736b7c11d8dca169f0bcce32a63ff66a8b953983556248d8e526faeab59cc794981b1ebaf4c7bfdb5382455963bcfa258f9dddf7645c5e14088b

  • SSDEEP

    12288:32srGElHwmoTw5S87l5Rew+yjVeTyoEaIoqTIYJ3vTMNy37:frPHwHcz7l5z08aI9TxT1

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 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
  • Suspicious behavior: EnumeratesProcesses 11 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.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe"
      2⤵
        PID:2448
      • C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe
        "C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe"
        2⤵
          PID:2656
        • C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe
          "C:\Users\Admin\AppData\Local\Temp\NEAS.d408028effc2b11fa534f39e69c131a8342d1a8d40c42cadb0c4c019c3469b5cexe_JC.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • outlook_office_path
          • outlook_win_path
          PID:2916

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2732-0-0x0000000000120000-0x00000000001D8000-memory.dmp

        Filesize

        736KB

      • memory/2732-1-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2732-2-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

        Filesize

        256KB

      • memory/2732-3-0x0000000000630000-0x000000000064C000-memory.dmp

        Filesize

        112KB

      • memory/2732-4-0x00000000004D0000-0x00000000004DC000-memory.dmp

        Filesize

        48KB

      • memory/2732-5-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2732-6-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

        Filesize

        256KB

      • memory/2732-7-0x0000000000650000-0x0000000000660000-memory.dmp

        Filesize

        64KB

      • memory/2732-8-0x0000000005D00000-0x0000000005D60000-memory.dmp

        Filesize

        384KB

      • memory/2732-20-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2916-9-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-11-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-12-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2916-15-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-17-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-19-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-10-0x0000000000400000-0x0000000000424000-memory.dmp

        Filesize

        144KB

      • memory/2916-21-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2916-22-0x0000000004990000-0x00000000049D0000-memory.dmp

        Filesize

        256KB