Analysis

  • max time kernel
    122s
  • max time network
    151s
  • 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 08:09

General

  • Target

    RFQ__PO_6353637355363-PDF____PDF.exe

  • Size

    750KB

  • MD5

    130040cd45252a0e1cabdc3f6398881c

  • SHA1

    948c573d9946d207de85e03df1f92680d88b2d42

  • SHA256

    8c1d7041e76efaf68b0c70000b850b3c80111d44114a421cb52e0d503947b96d

  • SHA512

    d465d96be19fdef320269d12170d258178bc078e2313b23a0d24a4b2e92db714851fe53a636a707d18a152fd4741cab33f70ad8e23bda06cb4d255172b5d4ad6

  • SSDEEP

    12288:rbeXOvvHy9lYZInZp3ZL2dnMZghB72/Mbim/fr8iOPXJAtISNtphdtxvWrUPb:XeXiZInZp3ZaJeg4MmofwbYr5dtxWrUz

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 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 12 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\RFQ__PO_6353637355363-PDF____PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.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:1852
    • 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\RFQ__PO_6353637355363-PDF____PDF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"
      2⤵
        PID:2072
      • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"
        2⤵
          PID:264
        • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
          "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe"
          2⤵
            PID:2796
          • C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.exe
            "C:\Users\Admin\AppData\Local\Temp\RFQ__PO_6353637355363-PDF____PDF.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:1144

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wi2cev5f.vwt.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1144-11-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/1144-61-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/1144-62-0x0000000006A40000-0x0000000006C02000-memory.dmp

          Filesize

          1.8MB

        • memory/1144-20-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/1144-63-0x00000000068E0000-0x0000000006930000-memory.dmp

          Filesize

          320KB

        • memory/1144-13-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/1852-4-0x0000000004F70000-0x0000000004F7A000-memory.dmp

          Filesize

          40KB

        • memory/1852-8-0x000000007474E000-0x000000007474F000-memory.dmp

          Filesize

          4KB

        • memory/1852-9-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/1852-10-0x0000000007970000-0x00000000079FE000-memory.dmp

          Filesize

          568KB

        • memory/1852-7-0x0000000005200000-0x000000000521C000-memory.dmp

          Filesize

          112KB

        • memory/1852-6-0x0000000005240000-0x00000000052DC000-memory.dmp

          Filesize

          624KB

        • memory/1852-14-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/1852-5-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/1852-3-0x0000000004FB0000-0x0000000005042000-memory.dmp

          Filesize

          584KB

        • memory/1852-2-0x0000000005560000-0x0000000005B04000-memory.dmp

          Filesize

          5.6MB

        • memory/1852-1-0x00000000005F0000-0x00000000006B2000-memory.dmp

          Filesize

          776KB

        • memory/1852-0-0x000000007474E000-0x000000007474F000-memory.dmp

          Filesize

          4KB

        • memory/2704-21-0x00000000055D0000-0x0000000005636000-memory.dmp

          Filesize

          408KB

        • memory/2704-50-0x00000000070E0000-0x00000000070FA000-memory.dmp

          Filesize

          104KB

        • memory/2704-23-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2704-19-0x0000000004DF0000-0x0000000004E12000-memory.dmp

          Filesize

          136KB

        • memory/2704-18-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2704-33-0x00000000057A0000-0x0000000005AF4000-memory.dmp

          Filesize

          3.3MB

        • memory/2704-34-0x0000000005D90000-0x0000000005DAE000-memory.dmp

          Filesize

          120KB

        • memory/2704-35-0x0000000005E40000-0x0000000005E8C000-memory.dmp

          Filesize

          304KB

        • memory/2704-36-0x0000000006D40000-0x0000000006D72000-memory.dmp

          Filesize

          200KB

        • memory/2704-37-0x0000000070020000-0x000000007006C000-memory.dmp

          Filesize

          304KB

        • memory/2704-47-0x0000000006D80000-0x0000000006D9E000-memory.dmp

          Filesize

          120KB

        • memory/2704-48-0x0000000006DA0000-0x0000000006E43000-memory.dmp

          Filesize

          652KB

        • memory/2704-49-0x0000000007720000-0x0000000007D9A000-memory.dmp

          Filesize

          6.5MB

        • memory/2704-22-0x0000000005730000-0x0000000005796000-memory.dmp

          Filesize

          408KB

        • memory/2704-51-0x0000000007150000-0x000000000715A000-memory.dmp

          Filesize

          40KB

        • memory/2704-52-0x0000000007360000-0x00000000073F6000-memory.dmp

          Filesize

          600KB

        • memory/2704-53-0x00000000072E0000-0x00000000072F1000-memory.dmp

          Filesize

          68KB

        • memory/2704-54-0x0000000007310000-0x000000000731E000-memory.dmp

          Filesize

          56KB

        • memory/2704-55-0x0000000007320000-0x0000000007334000-memory.dmp

          Filesize

          80KB

        • memory/2704-56-0x0000000007420000-0x000000000743A000-memory.dmp

          Filesize

          104KB

        • memory/2704-57-0x0000000007400000-0x0000000007408000-memory.dmp

          Filesize

          32KB

        • memory/2704-60-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2704-17-0x0000000004FA0000-0x00000000055C8000-memory.dmp

          Filesize

          6.2MB

        • memory/2704-16-0x0000000074740000-0x0000000074EF0000-memory.dmp

          Filesize

          7.7MB

        • memory/2704-15-0x0000000002490000-0x00000000024C6000-memory.dmp

          Filesize

          216KB