Analysis

  • max time kernel
    145s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 01:14

General

  • Target
    1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe
  • Size 655KB
  • Sample241009-blympa1gpb
  • SHA256 1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    smtp.ionos.es

  • Port

    587

  • Password

    @Briaii133

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 and hide display window.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Blocklisted process makes network request 9 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
  • Drops file in Windows directory 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 11 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe
    "C:\Users\Admin\AppData\Local\Temp\1eb9e4d9431c70bfd18beb58430bc81724eaff21837dd1faf012c83921a6418b.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4524
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -windowstyle hidden "$Efterforskernes=Get-Content -raw 'C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Bronchial.Rev';$regives=$Efterforskernes.SubString(53737,3);.$regives($Efterforskernes)"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3904
      • C:\Windows\SysWOW64\msiexec.exe
        "C:\Windows\syswow64\msiexec.exe"
        3⤵
        • Accesses Microsoft Outlook profiles
        • Blocklisted process makes network request
        • Suspicious use of NtCreateThreadExHideFromDebugger
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_bmbnhhfn.nra.ps1

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

        Bronchial.Rev

        • Path C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\Bronchial.Rev
        • Size 53KB
        • SHA256 07214c3106b73ab3636312bb5dded94558e94ff987c2a7afd3b25d6f6ff70603
        • MD5 SHA1 SHA512 SSDEEP

        dropforger.Tac

        • Path C:\Users\Admin\AppData\Local\downrange\Stutteriers\samfrdselen\dropforger.Tac
        • Size 301KB
        • SHA256 e760391ffbdab9ae639458d03cce8aa13d0bd549070d51a7fe2cedd2ce2b832c
        • MD5 SHA1 SHA512 SSDEEP

        memory/3904-34-0x0000000070780000-0x0000000070AD4000-memory.dmp

        memory/3904-47-0x0000000007B10000-0x0000000007B1A000-memory.dmp

        memory/3904-10-0x00000000054B0000-0x00000000054D2000-memory.dmp

        memory/3904-11-0x0000000005550000-0x00000000055B6000-memory.dmp

        memory/3904-12-0x00000000055C0000-0x0000000005626000-memory.dmp

        memory/3904-7-0x0000000005690000-0x0000000005CB8000-memory.dmp

        memory/3904-22-0x0000000005F20000-0x0000000006274000-memory.dmp

        memory/3904-23-0x0000000006560000-0x000000000657E000-memory.dmp

        memory/3904-24-0x00000000065A0000-0x00000000065EC000-memory.dmp

        memory/3904-27-0x0000000006AA0000-0x0000000006AC2000-memory.dmp

        memory/3904-26-0x0000000006A50000-0x0000000006A6A000-memory.dmp

        memory/3904-25-0x0000000007520000-0x00000000075B6000-memory.dmp

        memory/3904-28-0x0000000007BC0000-0x0000000008164000-memory.dmp

        memory/3904-8-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-30-0x00000000087F0000-0x0000000008E6A000-memory.dmp

        memory/3904-32-0x000000006FFE0000-0x000000007002C000-memory.dmp

        memory/3904-33-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-46-0x00000000079F0000-0x0000000007A93000-memory.dmp

        memory/3904-44-0x0000000007980000-0x000000000799E000-memory.dmp

        memory/3904-5-0x0000000073B5E000-0x0000000073B5F000-memory.dmp

        memory/3904-9-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-45-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-31-0x00000000079A0000-0x00000000079D2000-memory.dmp

        memory/3904-48-0x0000000007B50000-0x0000000007B7A000-memory.dmp

        memory/3904-49-0x0000000007B80000-0x0000000007BA4000-memory.dmp

        memory/3904-50-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-52-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-6-0x0000000004FC0000-0x0000000004FF6000-memory.dmp

        memory/3904-54-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-55-0x0000000073B5E000-0x0000000073B5F000-memory.dmp

        memory/3904-57-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-56-0x0000000008E70000-0x000000000B21E000-memory.dmp

        memory/3904-58-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-59-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/3904-60-0x0000000073B50000-0x0000000074300000-memory.dmp

        memory/4704-73-0x00000000008D0000-0x0000000001B24000-memory.dmp

        memory/4704-74-0x00000000008D0000-0x000000000091A000-memory.dmp

        memory/4704-75-0x0000000021F20000-0x0000000021FBC000-memory.dmp

        memory/4704-77-0x0000000022B70000-0x0000000022D32000-memory.dmp

        memory/4704-78-0x0000000022390000-0x00000000223E0000-memory.dmp

        memory/4704-79-0x0000000023270000-0x000000002379C000-memory.dmp

        memory/4704-81-0x0000000022AA0000-0x0000000022B32000-memory.dmp

        memory/4704-82-0x0000000022A60000-0x0000000022A6A000-memory.dmp