Analysis

  • max time kernel
    121s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 03:16

General

  • Target

    Company introduction.exe

  • Size

    834KB

  • MD5

    10f72e53a2c9f106093c233b56a3a819

  • SHA1

    e8a63836ff90493559b69a1bc6d6080ba9370a99

  • SHA256

    84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2

  • SHA512

    cd83c1b9c6128b852f36f97a387c4c89b781f0b0b52702540b12c5878129a0352c3edc2c12e2fb13e8f159256272338833715c3d78d98c4a195b8e50bd1ebce2

  • SSDEEP

    24576:XsJN+UVsa/olYFjQyPIoqtpGFjcrpTZ6q6U7jbHXM:83+UfxFsyPIoqcETHFXX

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
  • 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 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.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Company introduction.exe
    "C:\Users\Admin\AppData\Local\Temp\Company introduction.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3664
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FzXKnGk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:772
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FzXKnGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp673.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2828
    • C:\Users\Admin\AppData\Local\Temp\Company introduction.exe
      "C:\Users\Admin\AppData\Local\Temp\Company introduction.exe"
      2⤵
        PID:816
      • C:\Users\Admin\AppData\Local\Temp\Company introduction.exe
        "C:\Users\Admin\AppData\Local\Temp\Company introduction.exe"
        2⤵
          PID:4624
        • C:\Users\Admin\AppData\Local\Temp\Company introduction.exe
          "C:\Users\Admin\AppData\Local\Temp\Company introduction.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:4672

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_n2rdfypz.gbn.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmp673.tmp

        Filesize

        1KB

        MD5

        a57cf681b609a850115cec82d1aeb2d7

        SHA1

        5c1292a5fcf410a8272046e0e8a3c71f51b61c38

        SHA256

        feb46c895d64addd1898addb2547e1b831f958a5eec3ca1f9afc3d64e816d8b2

        SHA512

        6fa0115c9f5db4ab8e31ff0acc04b40163891e5143894de1a3b6d900ab8c484942052b29ef34bb3713001fe18787f000553273745878f859034fbf0070b11f64

      • memory/772-15-0x0000000002F60000-0x0000000002F96000-memory.dmp

        Filesize

        216KB

      • memory/772-19-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/772-22-0x0000000005AC0000-0x0000000005AE2000-memory.dmp

        Filesize

        136KB

      • memory/772-64-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/772-61-0x0000000007EB0000-0x0000000007EB8000-memory.dmp

        Filesize

        32KB

      • memory/772-60-0x0000000007ED0000-0x0000000007EEA000-memory.dmp

        Filesize

        104KB

      • memory/772-59-0x0000000007DD0000-0x0000000007DE4000-memory.dmp

        Filesize

        80KB

      • memory/772-58-0x0000000007DC0000-0x0000000007DCE000-memory.dmp

        Filesize

        56KB

      • memory/772-57-0x0000000007D90000-0x0000000007DA1000-memory.dmp

        Filesize

        68KB

      • memory/772-56-0x0000000007E10000-0x0000000007EA6000-memory.dmp

        Filesize

        600KB

      • memory/772-17-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/772-55-0x0000000007C00000-0x0000000007C0A000-memory.dmp

        Filesize

        40KB

      • memory/772-54-0x0000000007B90000-0x0000000007BAA000-memory.dmp

        Filesize

        104KB

      • memory/772-40-0x0000000007820000-0x0000000007852000-memory.dmp

        Filesize

        200KB

      • memory/772-20-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/772-53-0x00000000081D0000-0x000000000884A000-memory.dmp

        Filesize

        6.5MB

      • memory/772-24-0x0000000006210000-0x0000000006276000-memory.dmp

        Filesize

        408KB

      • memory/772-23-0x00000000061A0000-0x0000000006206000-memory.dmp

        Filesize

        408KB

      • memory/772-27-0x0000000006280000-0x00000000065D4000-memory.dmp

        Filesize

        3.3MB

      • memory/772-52-0x0000000007860000-0x0000000007903000-memory.dmp

        Filesize

        652KB

      • memory/772-18-0x0000000005B70000-0x0000000006198000-memory.dmp

        Filesize

        6.2MB

      • memory/772-41-0x0000000070FD0000-0x000000007101C000-memory.dmp

        Filesize

        304KB

      • memory/772-51-0x00000000077E0000-0x00000000077FE000-memory.dmp

        Filesize

        120KB

      • memory/772-38-0x0000000006870000-0x000000000688E000-memory.dmp

        Filesize

        120KB

      • memory/772-39-0x0000000006900000-0x000000000694C000-memory.dmp

        Filesize

        304KB

      • memory/3664-2-0x0000000005510000-0x0000000005AB4000-memory.dmp

        Filesize

        5.6MB

      • memory/3664-5-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3664-9-0x0000000004A40000-0x0000000004ACE000-memory.dmp

        Filesize

        568KB

      • memory/3664-28-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3664-4-0x0000000005130000-0x000000000513A000-memory.dmp

        Filesize

        40KB

      • memory/3664-1-0x00000000005F0000-0x00000000006C6000-memory.dmp

        Filesize

        856KB

      • memory/3664-3-0x0000000005060000-0x00000000050F2000-memory.dmp

        Filesize

        584KB

      • memory/3664-0-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

        Filesize

        4KB

      • memory/3664-10-0x000000000C010000-0x000000000C0AC000-memory.dmp

        Filesize

        624KB

      • memory/3664-6-0x0000000005300000-0x0000000005326000-memory.dmp

        Filesize

        152KB

      • memory/3664-8-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/3664-7-0x0000000074D0E000-0x0000000074D0F000-memory.dmp

        Filesize

        4KB

      • memory/4672-26-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB

      • memory/4672-21-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/4672-65-0x0000000006B40000-0x0000000006D02000-memory.dmp

        Filesize

        1.8MB

      • memory/4672-66-0x00000000069E0000-0x0000000006A30000-memory.dmp

        Filesize

        320KB

      • memory/4672-67-0x0000000074D00000-0x00000000754B0000-memory.dmp

        Filesize

        7.7MB