Analysis

  • max time kernel
    147s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    22-10-2023 07:23

General

  • Target

    b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe

  • Size

    622KB

  • MD5

    b4d7f22c8fa0d77d4ca4aa60e381a0f2

  • SHA1

    f6af8b30e8e979fd2c246e65f78b59c0eb04e36c

  • SHA256

    1e5aaff948f19f643319f41f91ce20c6b3e3ceca9084334b7910294bceff46b0

  • SHA512

    beb52b162712cf785d5ec7d5f8b4be6e1328a288f121d5cd8385a7128f28c7a3cdc249491158081a354581b6b3e6159d8183a533d57f7392efe657c041e72676

  • SSDEEP

    12288:hCUeIBMSjOwO7mdVr30Pps3m2h8k678G5gCzku7nbIyq1XPDV1dO8Hb3EJ:FowEaVrEBsJh8v80Uuo

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6454266704:AAGc7MbDFOw3VJ52r1hPLsjSZvjH8GUmylk/sendMessage?chat_id=1467583453

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\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
    "C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
      "C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe"
      2⤵
        PID:2772
      • C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe
        "C:\Users\Admin\AppData\Local\Temp\b4d7f22c8fa0d77d4ca4aa60e381a0f2.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2188

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2096-0-0x0000000000FF0000-0x0000000001092000-memory.dmp

      Filesize

      648KB

    • memory/2096-1-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2096-2-0x0000000007200000-0x0000000007240000-memory.dmp

      Filesize

      256KB

    • memory/2096-3-0x00000000005E0000-0x00000000005FE000-memory.dmp

      Filesize

      120KB

    • memory/2096-4-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2096-5-0x0000000000980000-0x000000000098C000-memory.dmp

      Filesize

      48KB

    • memory/2096-6-0x00000000009A0000-0x00000000009B0000-memory.dmp

      Filesize

      64KB

    • memory/2096-7-0x0000000008250000-0x00000000082B2000-memory.dmp

      Filesize

      392KB

    • memory/2096-24-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2188-12-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-10-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2188-14-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-18-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-20-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-22-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-23-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2188-8-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2188-25-0x0000000004B40000-0x0000000004B80000-memory.dmp

      Filesize

      256KB

    • memory/2188-26-0x0000000074560000-0x0000000074C4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2188-27-0x0000000004B40000-0x0000000004B80000-memory.dmp

      Filesize

      256KB