Analysis

  • max time kernel
    133s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/10/2024, 13:07

General

  • Target
    7vbu8ZW8lFI8mn5.exe
  • Size 730KB
  • Sample241022-qcmldsycll
  • SHA256 2a53872f573a1817be1848779e60c7db22501badc0afd7f364ee30a77dce3395
  • 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.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 1 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 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\7vbu8ZW8lFI8mn5.exe
    "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4460
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2308
    • C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.exe
      "C:\Users\Admin\AppData\Local\Temp\7vbu8ZW8lFI8mn5.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:2216

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        7vbu8ZW8lFI8mn5.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\7vbu8ZW8lFI8mn5.exe.log
        • Size 1KB
        • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
        • MD5 SHA1 SHA512

        __PSScriptPolicyTest_dlbhu4nc.ue2.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dlbhu4nc.ue2.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/2216-11-0x0000000000400000-0x0000000000448000-memory.dmp

        memory/2216-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2216-65-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2216-64-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2216-63-0x0000000006790000-0x00000000067E0000-memory.dmp

        memory/2216-62-0x0000000006910000-0x0000000006AD2000-memory.dmp

        memory/2216-36-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2308-18-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2308-33-0x0000000005A90000-0x0000000005DE4000-memory.dmp

        memory/2308-56-0x0000000007640000-0x0000000007654000-memory.dmp

        memory/2308-55-0x0000000007630000-0x000000000763E000-memory.dmp

        memory/2308-54-0x0000000007600000-0x0000000007611000-memory.dmp

        memory/2308-58-0x0000000007720000-0x0000000007728000-memory.dmp

        memory/2308-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2308-17-0x00000000027C0000-0x00000000027F6000-memory.dmp

        memory/2308-52-0x0000000007470000-0x000000000747A000-memory.dmp

        memory/2308-19-0x0000000005190000-0x00000000057B8000-memory.dmp

        memory/2308-20-0x0000000005100000-0x0000000005122000-memory.dmp

        memory/2308-21-0x0000000005830000-0x0000000005896000-memory.dmp

        memory/2308-22-0x00000000058A0000-0x0000000005906000-memory.dmp

        memory/2308-57-0x0000000007740000-0x000000000775A000-memory.dmp

        memory/2308-53-0x0000000007680000-0x0000000007716000-memory.dmp

        memory/2308-28-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2308-34-0x00000000060B0000-0x00000000060CE000-memory.dmp

        memory/2308-35-0x0000000006150000-0x000000000619C000-memory.dmp

        memory/2308-61-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/2308-37-0x0000000006680000-0x00000000066B2000-memory.dmp

        memory/2308-38-0x00000000700D0000-0x000000007011C000-memory.dmp

        memory/2308-48-0x0000000007090000-0x00000000070AE000-memory.dmp

        memory/2308-49-0x00000000072F0000-0x0000000007393000-memory.dmp

        memory/2308-50-0x0000000007A40000-0x00000000080BA000-memory.dmp

        memory/2308-51-0x0000000007400000-0x000000000741A000-memory.dmp

        memory/4460-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/4460-3-0x00000000054E0000-0x0000000005572000-memory.dmp

        memory/4460-1-0x00000000009D0000-0x0000000000A8C000-memory.dmp

        memory/4460-2-0x0000000005A90000-0x0000000006034000-memory.dmp

        memory/4460-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

        memory/4460-10-0x0000000006B10000-0x0000000006B9A000-memory.dmp

        memory/4460-9-0x00000000746A0000-0x0000000074E50000-memory.dmp

        memory/4460-8-0x00000000746AE000-0x00000000746AF000-memory.dmp

        memory/4460-7-0x0000000005710000-0x000000000572C000-memory.dmp

        memory/4460-6-0x0000000005750000-0x00000000057EC000-memory.dmp

        memory/4460-5-0x0000000005480000-0x000000000548A000-memory.dmp

        memory/4460-4-0x00000000746A0000-0x0000000074E50000-memory.dmp