Analysis

  • max time kernel
    105s
  • max time network
    107s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05/09/2025, 14:02

General

  • Target
    7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe
  • Size 525KB
  • Sample250905-rckbps1set
  • SHA256 7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • Modifies Windows Defender DisableAntiSpyware settings 3 TTPs 1 IoCs
  • VIPKeylogger

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

  • Vipkeylogger family
  • Disables Task Manager via registry modification
  • 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.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4580
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Users\Admin\AppData\Local\Temp\7f2ba58342f429d0e0ee093fc20b52e1b03db43243bf7838561b9b22ef9588e8.exe"
      2⤵
      • Modifies Windows Defender DisableAntiSpyware settings
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 724
      2⤵
      • Program crash
      PID:5436
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4580 -ip 4580
    1⤵
      PID:1764

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          memory/3752-14-0x0000000000400000-0x000000000043E000-memory.dmp

          memory/3752-15-0x0000000005470000-0x0000000005A16000-memory.dmp

          memory/3752-16-0x0000000004F60000-0x0000000004FFC000-memory.dmp

          memory/3752-17-0x00000000051D0000-0x00000000051E0000-memory.dmp

          memory/3752-19-0x0000000006100000-0x0000000006192000-memory.dmp

          memory/3752-20-0x0000000006370000-0x0000000006532000-memory.dmp

          memory/3752-21-0x00000000051D0000-0x00000000051E0000-memory.dmp

          memory/3752-22-0x00000000062E0000-0x00000000062EA000-memory.dmp

          memory/4580-0-0x0000000000240000-0x0000000000373000-memory.dmp

          memory/4580-13-0x0000000001570000-0x0000000001970000-memory.dmp

          memory/4580-18-0x0000000000240000-0x0000000000373000-memory.dmp