Analysis

  • max time kernel
    125s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250610-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250610-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/09/2025, 12:45

General

  • Target
    SCTR SETIEMBRE TERMO SISTEMAS.exe
  • Size 692KB
  • Sample250901-py158svrt2
  • SHA256 6307f6dcb83c11e69ad410e3d95d49834657fe2124f19c3c4e840d618bb53067
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • 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 3 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 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe
    "C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5224
    • C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe
      "C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe"
      2⤵
        PID:4180
      • C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe
        "C:\Users\Admin\AppData\Local\Temp\SCTR SETIEMBRE TERMO SISTEMAS.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4848

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4848-9-0x0000000000400000-0x000000000044A000-memory.dmp

          memory/4848-15-0x0000000007580000-0x0000000007AAC000-memory.dmp

          memory/4848-14-0x0000000006C20000-0x0000000006C70000-memory.dmp

          memory/4848-13-0x0000000006D80000-0x0000000006F42000-memory.dmp

          memory/4848-12-0x0000000005920000-0x0000000005930000-memory.dmp

          memory/4848-11-0x0000000005920000-0x0000000005930000-memory.dmp

          memory/5224-3-0x00000000059C0000-0x00000000059D0000-memory.dmp

          memory/5224-7-0x00000000059C0000-0x00000000059D0000-memory.dmp

          memory/5224-8-0x0000000006E50000-0x0000000006EDE000-memory.dmp

          memory/5224-6-0x0000000005D70000-0x0000000005D84000-memory.dmp

          memory/5224-5-0x00000000059D0000-0x0000000005A6C000-memory.dmp

          memory/5224-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

          memory/5224-0-0x0000000000DB0000-0x0000000000E64000-memory.dmp

          memory/5224-2-0x0000000005720000-0x00000000057B2000-memory.dmp

          memory/5224-1-0x0000000005DC0000-0x0000000006364000-memory.dmp