Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 06:31

General

  • Target

    MCB_09252024.pdf.exe

  • Size

    940KB

  • MD5

    d0ea74bc92edf6c15ec891218fa6ec82

  • SHA1

    9e16672d91e4eceb3ceb6c4592baba252ee56edf

  • SHA256

    a947fb714131dc2a3ebdbab989f241713e51d629e00b292b5e6111e8c1506ae3

  • SHA512

    d3e025fe052104b88970e3efbc7dd174bd0d0965b977f3f1a4274f7302a000b54c4f41824963ef2f393bcf30f0e0760e1f822cb02ffb7956f26a08a430b58d94

  • SSDEEP

    12288:83FQovvvDg6BCQC+5MnwNJhW3EFPwUpkFhCNQB4UOWTFqeUOlv/y/FUsjtzVbiSg:8GGvvM6RCwNNyEFPNOZOWTF32Usjj6

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3380
      • C:\Users\Admin\AppData\Local\Temp\MCB_09252024.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\MCB_09252024.pdf.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2484
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc 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
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2476
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.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:4600
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3828,i,6510295916244954942,10164894160290787457,262144 --variations-seed-version --mojo-platform-channel-handle=4092 /prefetch:8
      1⤵
        PID:4344

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5pnypo0s.pki.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2476-1128-0x0000000007D60000-0x0000000007D71000-memory.dmp

        Filesize

        68KB

      • memory/2476-1090-0x0000000005BA0000-0x00000000061C8000-memory.dmp

        Filesize

        6.2MB

      • memory/2476-1141-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

        Filesize

        32KB

      • memory/2476-1140-0x0000000007EB0000-0x0000000007ECA000-memory.dmp

        Filesize

        104KB

      • memory/2476-1139-0x0000000007DA0000-0x0000000007DB4000-memory.dmp

        Filesize

        80KB

      • memory/2476-1138-0x0000000007D90000-0x0000000007D9E000-memory.dmp

        Filesize

        56KB

      • memory/2476-1088-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1127-0x0000000007DF0000-0x0000000007E86000-memory.dmp

        Filesize

        600KB

      • memory/2476-1126-0x00000000055C0000-0x00000000055CA000-memory.dmp

        Filesize

        40KB

      • memory/2476-1124-0x0000000008180000-0x00000000087FA000-memory.dmp

        Filesize

        6.5MB

      • memory/2476-1125-0x0000000007B40000-0x0000000007B5A000-memory.dmp

        Filesize

        104KB

      • memory/2476-1123-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1087-0x0000000003240000-0x0000000003276000-memory.dmp

        Filesize

        216KB

      • memory/2476-1142-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1106-0x0000000006800000-0x000000000681E000-memory.dmp

        Filesize

        120KB

      • memory/2476-1121-0x0000000006DD0000-0x0000000006DEE000-memory.dmp

        Filesize

        120KB

      • memory/2476-1117-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1107-0x0000000006820000-0x000000000686C000-memory.dmp

        Filesize

        304KB

      • memory/2476-1110-0x0000000070460000-0x00000000704AC000-memory.dmp

        Filesize

        304KB

      • memory/2476-1104-0x00000000061D0000-0x0000000006524000-memory.dmp

        Filesize

        3.3MB

      • memory/2476-1145-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1093-0x00000000058F0000-0x0000000005956000-memory.dmp

        Filesize

        408KB

      • memory/2476-1094-0x0000000005960000-0x00000000059C6000-memory.dmp

        Filesize

        408KB

      • memory/2476-1092-0x0000000005850000-0x0000000005872000-memory.dmp

        Filesize

        136KB

      • memory/2476-1089-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1109-0x00000000077C0000-0x00000000077F2000-memory.dmp

        Filesize

        200KB

      • memory/2476-1091-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2476-1122-0x0000000007800000-0x00000000078A3000-memory.dmp

        Filesize

        652KB

      • memory/2484-28-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-44-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-14-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-12-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-8-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-6-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-4-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-3-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-1078-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-1079-0x0000000005B70000-0x0000000005BD4000-memory.dmp

        Filesize

        400KB

      • memory/2484-1080-0x0000000005700000-0x000000000574C000-memory.dmp

        Filesize

        304KB

      • memory/2484-1084-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-1085-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-1086-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-18-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-20-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-22-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-24-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-26-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-36-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-40-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-56-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-0-0x000000007507E000-0x000000007507F000-memory.dmp

        Filesize

        4KB

      • memory/2484-30-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-1105-0x000000007507E000-0x000000007507F000-memory.dmp

        Filesize

        4KB

      • memory/2484-32-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-34-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-1108-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-38-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-16-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-46-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-48-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-50-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-54-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-58-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-60-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-62-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-64-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-66-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-1129-0x00000000069B0000-0x0000000006F54000-memory.dmp

        Filesize

        5.6MB

      • memory/2484-1130-0x0000000005C60000-0x0000000005CB4000-memory.dmp

        Filesize

        336KB

      • memory/2484-1133-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-1-0x00000000007B0000-0x00000000008A2000-memory.dmp

        Filesize

        968KB

      • memory/2484-2-0x00000000053B0000-0x0000000005498000-memory.dmp

        Filesize

        928KB

      • memory/2484-10-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-43-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/2484-75-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/2484-52-0x00000000053B0000-0x0000000005493000-memory.dmp

        Filesize

        908KB

      • memory/4600-1137-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-1134-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/4600-1136-0x0000000005800000-0x000000000589C000-memory.dmp

        Filesize

        624KB

      • memory/4600-1135-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-1146-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-1147-0x0000000075070000-0x0000000075820000-memory.dmp

        Filesize

        7.7MB

      • memory/4600-1148-0x0000000006B10000-0x0000000006CD2000-memory.dmp

        Filesize

        1.8MB

      • memory/4600-1149-0x00000000069A0000-0x00000000069F0000-memory.dmp

        Filesize

        320KB

      • memory/4600-1150-0x0000000006CE0000-0x0000000006D72000-memory.dmp

        Filesize

        584KB

      • memory/4600-1151-0x0000000006AB0000-0x0000000006ABA000-memory.dmp

        Filesize

        40KB