Analysis

  • max time kernel
    118s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    05/11/2024, 10:05

General

  • Target
    FACTURA Nº A 178 CASES XALÓ S.L Nº 17102024 REFª MARQUESINA MOLÍ DEL GINER.exe
  • Size 823KB
  • Sample241105-l4hpasygpg
  • SHA256 24de759c141ec60a2d89352e581ccc47b83d0240702283903e8cbdd1d9745265
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

C2
  • https://api.telegram.org/bot8148338634:AAFvLNrhxaF7bMPzQMLbUnueRMJvDIi5kcU/sendMessage?chat_id=7698865320

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • Loads dropped DLL 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FACTURA Nº A 178 CASES XALÓ S.L Nº 17102024 REFª MARQUESINA MOLÍ DEL GINER.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA Nº A 178 CASES XALÓ S.L Nº 17102024 REFª MARQUESINA MOLÍ DEL GINER.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1960
    • C:\Users\Admin\AppData\Local\Temp\FACTURA Nº A 178 CASES XALÓ S.L Nº 17102024 REFª MARQUESINA MOLÍ DEL GINER.exe
      "C:\Users\Admin\AppData\Local\Temp\FACTURA Nº A 178 CASES XALÓ S.L Nº 17102024 REFª MARQUESINA MOLÍ DEL GINER.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2788

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        System.dll

        • Path \Users\Admin\AppData\Local\Temp\nstD5E6.tmp\System.dll
        • Size 11KB
        • SHA256 5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
        • MD5 SHA1 SHA512 SSDEEP

        memory/1960-19-0x0000000076D30000-0x0000000076ED9000-memory.dmp

        memory/1960-18-0x0000000076D31000-0x0000000076E32000-memory.dmp

        memory/2788-20-0x0000000076D30000-0x0000000076ED9000-memory.dmp

        memory/2788-21-0x0000000000490000-0x00000000014F2000-memory.dmp

        memory/2788-41-0x0000000000490000-0x00000000014F2000-memory.dmp

        memory/2788-42-0x0000000000490000-0x00000000004D8000-memory.dmp