Analysis

  • max time kernel
    142s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/10/2023, 02:44

General

  • Target
    b88bee1afe7b8d9a9eb11c6293e552e0c4e91eef2bc3fe8984d65216f566a59c.exe
  • Size 421KB
  • Sample231027-c76e4abe4z
  • SHA256 b88bee1afe7b8d9a9eb11c6293e552e0c4e91eef2bc3fe8984d65216f566a59c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b88bee1afe7b8d9a9eb11c6293e552e0c4e91eef2bc3fe8984d65216f566a59c.exe
    "C:\Users\Admin\AppData\Local\Temp\b88bee1afe7b8d9a9eb11c6293e552e0c4e91eef2bc3fe8984d65216f566a59c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1828
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1052

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/1052-9-0x0000000000400000-0x0000000000424000-memory.dmp

        memory/1052-18-0x00000000056B0000-0x00000000056C0000-memory.dmp

        memory/1052-17-0x0000000074E90000-0x0000000075640000-memory.dmp

        memory/1052-16-0x0000000006720000-0x000000000672A000-memory.dmp

        memory/1052-15-0x00000000068B0000-0x0000000006A72000-memory.dmp

        memory/1052-14-0x0000000006690000-0x00000000066E0000-memory.dmp

        memory/1052-13-0x00000000056B0000-0x00000000056C0000-memory.dmp

        memory/1052-12-0x0000000074E90000-0x0000000075640000-memory.dmp

        memory/1828-4-0x0000000004F70000-0x0000000004FC4000-memory.dmp

        memory/1828-8-0x0000000004F50000-0x0000000004F5A000-memory.dmp

        memory/1828-11-0x0000000074E90000-0x0000000075640000-memory.dmp

        memory/1828-7-0x0000000005400000-0x000000000549C000-memory.dmp

        memory/1828-6-0x0000000004F60000-0x0000000004F70000-memory.dmp

        memory/1828-5-0x0000000074E90000-0x0000000075640000-memory.dmp

        memory/1828-0-0x0000000074E90000-0x0000000075640000-memory.dmp

        memory/1828-3-0x0000000004FD0000-0x0000000005062000-memory.dmp

        memory/1828-2-0x00000000054E0000-0x0000000005A84000-memory.dmp

        memory/1828-1-0x0000000000530000-0x00000000005A0000-memory.dmp