Analysis

  • max time kernel
    119s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    13-10-2023 18:33

General

  • Target

    Swift.txt.exe

  • Size

    539KB

  • MD5

    b1a8dfff51ee717d53c7f90f0840fe9b

  • SHA1

    33ca9d90da7c348233e4eaa565c5b9b91017709d

  • SHA256

    008af3e6e04d2340b385793e03af2550e0e18ce1531d635dff30e69d3e820dbf

  • SHA512

    fbf81cba922f55946d5fc7f7694a9095cef51976eb7780b851f1c2fd34b7a366da7f527f73343b455f15e5d5f9a37cc4b1c2dfab0f43cd72960dfc39feab90e6

  • SSDEEP

    12288:mdJF9KCvoctGgxTkn3MvWroS5RtS0yUn1vhU2Zq6s9sdX:mdJF4CvoctGITknAWZ1ULtGX

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 7 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift.txt.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift.txt.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\Swift.txt.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift.txt.exe"
      2⤵
        PID:2356
      • C:\Users\Admin\AppData\Local\Temp\Swift.txt.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift.txt.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2640

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2364-0-0x0000000000C80000-0x0000000000D0C000-memory.dmp

      Filesize

      560KB

    • memory/2364-1-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2364-2-0x00000000022E0000-0x0000000002320000-memory.dmp

      Filesize

      256KB

    • memory/2364-3-0x00000000002E0000-0x00000000002F6000-memory.dmp

      Filesize

      88KB

    • memory/2364-4-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2364-5-0x00000000022E0000-0x0000000002320000-memory.dmp

      Filesize

      256KB

    • memory/2364-6-0x00000000002F0000-0x0000000000300000-memory.dmp

      Filesize

      64KB

    • memory/2364-7-0x0000000004F20000-0x0000000004F80000-memory.dmp

      Filesize

      384KB

    • memory/2364-21-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2640-11-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-8-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-10-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2640-14-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-18-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-16-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-19-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2640-20-0x0000000004A50000-0x0000000004A90000-memory.dmp

      Filesize

      256KB

    • memory/2640-9-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2640-22-0x0000000074440000-0x0000000074B2E000-memory.dmp

      Filesize

      6.9MB

    • memory/2640-23-0x0000000004A50000-0x0000000004A90000-memory.dmp

      Filesize

      256KB