Analysis

  • max time kernel
    121s
  • max time network
    139s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-09-2024 06:00

General

  • Target

    Bank Receipt Voucher.jpg.exe

  • Size

    1.6MB

  • MD5

    7e6bb0d23284faac75536fa4129331c1

  • SHA1

    f3f2d718162646c494daf44daee88c822146fff9

  • SHA256

    b5549394c008d733a18e56372657928c92c48ee935402472184965581da3d8d1

  • SHA512

    9aefe5830ad266d974ca8b8f7da64444ea406970ed7febebb5d5d9a17545a0c82f1758a95758852aad095c9b795a39645531b2fd25cbae341ab5de8c3a3ef580

  • SSDEEP

    12288:ZvbxYB8F+ZBPHBjcx68ewOHWHvjaNrBpONhzV/aWN8euhklD:lxUy+LPVv8vKWbVdLRt

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Bank Receipt Voucher.jpg.exe
    "C:\Users\Admin\AppData\Local\Temp\Bank Receipt Voucher.jpg.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2600
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
      2⤵
        PID:2016
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\jsc.exe"
        2⤵
          PID:2388
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe"
          2⤵
            PID:2920
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"
            2⤵
              PID:1120
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regsvcs.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:2596
            • C:\Windows\system32\WerFault.exe
              C:\Windows\system32\WerFault.exe -u -p 2600 -s 656
              2⤵
                PID:2904

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2596-9-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-18-0x0000000074E20000-0x000000007550E000-memory.dmp

              Filesize

              6.9MB

            • memory/2596-7-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-6-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-4-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-12-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-16-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-14-0x0000000000400000-0x0000000000448000-memory.dmp

              Filesize

              288KB

            • memory/2596-22-0x0000000074E20000-0x000000007550E000-memory.dmp

              Filesize

              6.9MB

            • memory/2596-21-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

              Filesize

              4KB

            • memory/2596-17-0x0000000074E2E000-0x0000000074E2F000-memory.dmp

              Filesize

              4KB

            • memory/2596-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2600-3-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

              Filesize

              9.9MB

            • memory/2600-1-0x0000000001370000-0x0000000001378000-memory.dmp

              Filesize

              32KB

            • memory/2600-19-0x000007FEF5F93000-0x000007FEF5F94000-memory.dmp

              Filesize

              4KB

            • memory/2600-20-0x000007FEF5F90000-0x000007FEF697C000-memory.dmp

              Filesize

              9.9MB

            • memory/2600-2-0x00000000006F0000-0x000000000078C000-memory.dmp

              Filesize

              624KB

            • memory/2600-0-0x000007FEF5F93000-0x000007FEF5F94000-memory.dmp

              Filesize

              4KB