Analysis

  • max time kernel
    149s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-01-2025 14:40

General

  • Target

    f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe

  • Size

    845KB

  • MD5

    91ccccf28bcd650fc1f8e5256891211c

  • SHA1

    35ceec260d23f1aaa3b948060a0f4c5c926f9b73

  • SHA256

    f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897

  • SHA512

    6d9ef4683482a59ef0a25eb402a54bf27adc0039c1c474ef41ea4e4424796d33285cd3e1f8521ac3331990e288bf514a2abf5c83ab7fb7c5b37f865205ba05a5

  • SSDEEP

    12288:jMMy+nuP3eBfkS7MYDiyUKmBnjVlNqPFqQPuWZcWRmF1cmSKeE9pMFGwy9EXX+:4+0OZkTPyUPB5EGWZc+mFwKWFGwFO

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 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 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe
    "C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.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:3580
    • 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\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1800
    • C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe
      "C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe"
      2⤵
        PID:4156
      • C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe
        "C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe"
        2⤵
          PID:4044
        • C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe
          "C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe"
          2⤵
            PID:4676
          • C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe
            "C:\Users\Admin\AppData\Local\Temp\f2675f59a65add81d32683e6ec1a2aec2c37547df4ef331c21b5f498ccee7897.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of SetWindowsHookEx
            • outlook_office_path
            • outlook_win_path
            PID:2340

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ecjwaqex.qfs.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1800-51-0x00000000073D0000-0x00000000073DA000-memory.dmp

          Filesize

          40KB

        • memory/1800-49-0x00000000079A0000-0x000000000801A000-memory.dmp

          Filesize

          6.5MB

        • memory/1800-60-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/1800-20-0x0000000005070000-0x0000000005092000-memory.dmp

          Filesize

          136KB

        • memory/1800-57-0x0000000007680000-0x0000000007688000-memory.dmp

          Filesize

          32KB

        • memory/1800-56-0x00000000076A0000-0x00000000076BA000-memory.dmp

          Filesize

          104KB

        • memory/1800-55-0x00000000075A0000-0x00000000075B4000-memory.dmp

          Filesize

          80KB

        • memory/1800-54-0x0000000007590000-0x000000000759E000-memory.dmp

          Filesize

          56KB

        • memory/1800-53-0x0000000007560000-0x0000000007571000-memory.dmp

          Filesize

          68KB

        • memory/1800-52-0x00000000075E0000-0x0000000007676000-memory.dmp

          Filesize

          600KB

        • memory/1800-50-0x0000000007360000-0x000000000737A000-memory.dmp

          Filesize

          104KB

        • memory/1800-17-0x00000000051A0000-0x00000000057C8000-memory.dmp

          Filesize

          6.2MB

        • memory/1800-48-0x0000000007230000-0x00000000072D3000-memory.dmp

          Filesize

          652KB

        • memory/1800-15-0x0000000004A90000-0x0000000004AC6000-memory.dmp

          Filesize

          216KB

        • memory/1800-47-0x0000000007200000-0x000000000721E000-memory.dmp

          Filesize

          120KB

        • memory/1800-18-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/1800-19-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/1800-34-0x0000000006010000-0x000000000602E000-memory.dmp

          Filesize

          120KB

        • memory/1800-22-0x00000000059B0000-0x0000000005A16000-memory.dmp

          Filesize

          408KB

        • memory/1800-21-0x0000000005840000-0x00000000058A6000-memory.dmp

          Filesize

          408KB

        • memory/1800-36-0x0000000006FC0000-0x0000000006FF2000-memory.dmp

          Filesize

          200KB

        • memory/1800-32-0x0000000005A20000-0x0000000005D74000-memory.dmp

          Filesize

          3.3MB

        • memory/1800-37-0x00000000703B0000-0x00000000703FC000-memory.dmp

          Filesize

          304KB

        • memory/1800-35-0x00000000060C0000-0x000000000610C000-memory.dmp

          Filesize

          304KB

        • memory/2340-14-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/2340-61-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/2340-65-0x0000000007590000-0x0000000007ABC000-memory.dmp

          Filesize

          5.2MB

        • memory/2340-33-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/2340-63-0x0000000006E90000-0x0000000007052000-memory.dmp

          Filesize

          1.8MB

        • memory/2340-62-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/2340-12-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2340-64-0x0000000006D30000-0x0000000006D80000-memory.dmp

          Filesize

          320KB

        • memory/3580-0-0x000000007498E000-0x000000007498F000-memory.dmp

          Filesize

          4KB

        • memory/3580-10-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/3580-9-0x000000007498E000-0x000000007498F000-memory.dmp

          Filesize

          4KB

        • memory/3580-8-0x0000000006AB0000-0x0000000006ACE000-memory.dmp

          Filesize

          120KB

        • memory/3580-7-0x0000000005EC0000-0x0000000005F5C000-memory.dmp

          Filesize

          624KB

        • memory/3580-6-0x00000000056A0000-0x00000000056AA000-memory.dmp

          Filesize

          40KB

        • memory/3580-5-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/3580-3-0x00000000051D0000-0x0000000005262000-memory.dmp

          Filesize

          584KB

        • memory/3580-11-0x00000000080A0000-0x000000000812E000-memory.dmp

          Filesize

          568KB

        • memory/3580-2-0x00000000056E0000-0x0000000005C84000-memory.dmp

          Filesize

          5.6MB

        • memory/3580-16-0x0000000074980000-0x0000000075130000-memory.dmp

          Filesize

          7.7MB

        • memory/3580-1-0x00000000006B0000-0x000000000078A000-memory.dmp

          Filesize

          872KB

        • memory/3580-4-0x0000000005340000-0x0000000005694000-memory.dmp

          Filesize

          3.3MB