Analysis

  • max time kernel
    118s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    01-10-2024 07:15

General

  • Target

    SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe

  • Size

    733KB

  • MD5

    dc6eeb8a60c63910ebb49ddab7f30a8e

  • SHA1

    b0283b4d95ea7350dd783122dde89d7a0e2f7a53

  • SHA256

    c6ae41874ccd5d6c3e6da49cae6d0a0e8eee20e7037896b38f1e4523dd9543c8

  • SHA512

    92c9eb81dc71faf780de23c7d4896ad6ad866997bce9202e359539add9ee36f626ac1bcb0707c0034dad6068a601bbac717457317151ae1762d04652027c28f4

  • SSDEEP

    12288:++40ntT5KXTXQQn32DwEi9evlPvsCuCHWSasra2Er0CxsMUYPLTd62+G1Lg:+UXKXTAPDwV8t3sCLWneTEgCWMr11L

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 2 IoCs

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

  • 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 5 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2596
    • 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\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\iJAISuNbz.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2756
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\iJAISuNbz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA573.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2764
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe"
      2⤵
        PID:768
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe"
        2⤵
          PID:536
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.CrypterXgen.16913.10158.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:984

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpA573.tmp

        Filesize

        1KB

        MD5

        c8fc87c37732378c43f390dc7c34bb6f

        SHA1

        b2a298e0e745147a213a92091563b5609c7e0eec

        SHA256

        a208f59706958e9f0536dea85293240030b1b076686ebc265a3f9d3490976718

        SHA512

        0ca71d070fc7b133c18af9e7d766b9da4737a8a1b12b29b0e97aa35f60a882be52fbfff46b870aa129d8babaed3f2c1dbb70dbe90d44e70f9c896fd942bfed1f

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

        Filesize

        7KB

        MD5

        763dcdc5a4adef1a143b645b3a8cc1fe

        SHA1

        87a2e60246730c495de000669532aef2b8c86106

        SHA256

        1d19e12b8a7d8623a0e5a2434dadcbdeec7cc562c75799e3ff9f025ff34b95b5

        SHA512

        057e8f51295b201c04a50ba13bf6250bd3f62b72404a3026dad7145d4b931605ab238a47da280211b04e7183923622721817c1aca0af1e0907d1624c74cc65d9

      • memory/984-21-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/984-24-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/984-26-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/984-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/984-29-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/984-30-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/984-32-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/984-22-0x0000000000400000-0x0000000000442000-memory.dmp

        Filesize

        264KB

      • memory/2596-4-0x00000000005D0000-0x00000000005EE000-memory.dmp

        Filesize

        120KB

      • memory/2596-7-0x0000000000520000-0x00000000005A4000-memory.dmp

        Filesize

        528KB

      • memory/2596-33-0x0000000074C30000-0x000000007531E000-memory.dmp

        Filesize

        6.9MB

      • memory/2596-6-0x0000000074C30000-0x000000007531E000-memory.dmp

        Filesize

        6.9MB

      • memory/2596-5-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

        Filesize

        4KB

      • memory/2596-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

        Filesize

        4KB

      • memory/2596-3-0x00000000047D0000-0x0000000004880000-memory.dmp

        Filesize

        704KB

      • memory/2596-2-0x0000000074C30000-0x000000007531E000-memory.dmp

        Filesize

        6.9MB

      • memory/2596-1-0x0000000000850000-0x000000000090E000-memory.dmp

        Filesize

        760KB