Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2024 12:19

General

  • Target

    dekont25.11.2024PDF.exe

  • Size

    741KB

  • MD5

    d60a66242e0abeb6616804d2e81dd4cc

  • SHA1

    34c3a0524b4820bf6709e18a4ac6d1e47bb1f5a6

  • SHA256

    9cbae014418491b2cb56c09e4eef23899ca5e7e93c1e3a78db6fb4a6fd76bd9d

  • SHA512

    e154b3bad118edbb62e9b95679507a8fafc14535c954ef45d29c18e778c6b91fade5c0ab2ff3dd28c077956882ea1e76054a03ff2ddceba442249bcdd9a33c22

  • SSDEEP

    12288:wf87f3RbeXMO+08PdBnMOBmZ1eT75KLveEr1x9HqRm66OczRLBZCYpvi5Ft6EcJJ:w07f35eX5cuOK1esnrLl4WnHpvi5hcr

Malware Config

Extracted

Family

vipkeylogger

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 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 10 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.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:5088
    • 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\dekont25.11.2024PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4016
    • C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe"
      2⤵
        PID:4248
      • C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe"
        2⤵
          PID:3872
        • C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe
          "C:\Users\Admin\AppData\Local\Temp\dekont25.11.2024PDF.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:3532

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mbbfx5mj.yia.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/3532-11-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/3532-65-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/3532-64-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/3532-63-0x0000000006D50000-0x000000000727C000-memory.dmp

        Filesize

        5.2MB

      • memory/3532-62-0x00000000064D0000-0x0000000006520000-memory.dmp

        Filesize

        320KB

      • memory/3532-61-0x0000000006650000-0x0000000006812000-memory.dmp

        Filesize

        1.8MB

      • memory/3532-34-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/3532-13-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4016-19-0x0000000005AC0000-0x0000000005B26000-memory.dmp

        Filesize

        408KB

      • memory/4016-37-0x0000000070C40000-0x0000000070C8C000-memory.dmp

        Filesize

        304KB

      • memory/4016-60-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4016-57-0x0000000007720000-0x0000000007728000-memory.dmp

        Filesize

        32KB

      • memory/4016-56-0x0000000007740000-0x000000000775A000-memory.dmp

        Filesize

        104KB

      • memory/4016-15-0x0000000004B10000-0x0000000004B46000-memory.dmp

        Filesize

        216KB

      • memory/4016-16-0x0000000005200000-0x0000000005828000-memory.dmp

        Filesize

        6.2MB

      • memory/4016-18-0x00000000059E0000-0x0000000005A46000-memory.dmp

        Filesize

        408KB

      • memory/4016-55-0x0000000007640000-0x0000000007654000-memory.dmp

        Filesize

        80KB

      • memory/4016-26-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4016-20-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4016-32-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/4016-29-0x0000000005B30000-0x0000000005E84000-memory.dmp

        Filesize

        3.3MB

      • memory/4016-54-0x0000000007630000-0x000000000763E000-memory.dmp

        Filesize

        56KB

      • memory/4016-17-0x0000000005940000-0x0000000005962000-memory.dmp

        Filesize

        136KB

      • memory/4016-33-0x00000000060E0000-0x00000000060FE000-memory.dmp

        Filesize

        120KB

      • memory/4016-53-0x0000000007600000-0x0000000007611000-memory.dmp

        Filesize

        68KB

      • memory/4016-35-0x0000000006480000-0x00000000064CC000-memory.dmp

        Filesize

        304KB

      • memory/4016-36-0x00000000066B0000-0x00000000066E2000-memory.dmp

        Filesize

        200KB

      • memory/4016-52-0x0000000007680000-0x0000000007716000-memory.dmp

        Filesize

        600KB

      • memory/4016-47-0x0000000006690000-0x00000000066AE000-memory.dmp

        Filesize

        120KB

      • memory/4016-48-0x00000000072B0000-0x0000000007353000-memory.dmp

        Filesize

        652KB

      • memory/4016-49-0x0000000007A50000-0x00000000080CA000-memory.dmp

        Filesize

        6.5MB

      • memory/4016-50-0x0000000007400000-0x000000000741A000-memory.dmp

        Filesize

        104KB

      • memory/4016-51-0x0000000007470000-0x000000000747A000-memory.dmp

        Filesize

        40KB

      • memory/5088-10-0x0000000006F60000-0x0000000006FEE000-memory.dmp

        Filesize

        568KB

      • memory/5088-6-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/5088-0-0x000000007521E000-0x000000007521F000-memory.dmp

        Filesize

        4KB

      • memory/5088-7-0x0000000005CF0000-0x0000000005D0C000-memory.dmp

        Filesize

        112KB

      • memory/5088-14-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/5088-8-0x000000007521E000-0x000000007521F000-memory.dmp

        Filesize

        4KB

      • memory/5088-9-0x0000000075210000-0x00000000759C0000-memory.dmp

        Filesize

        7.7MB

      • memory/5088-5-0x0000000005B50000-0x0000000005BEC000-memory.dmp

        Filesize

        624KB

      • memory/5088-4-0x0000000005820000-0x000000000582A000-memory.dmp

        Filesize

        40KB

      • memory/5088-3-0x0000000005890000-0x0000000005922000-memory.dmp

        Filesize

        584KB

      • memory/5088-2-0x0000000005EF0000-0x0000000006494000-memory.dmp

        Filesize

        5.6MB

      • memory/5088-1-0x0000000000EF0000-0x0000000000FAE000-memory.dmp

        Filesize

        760KB