Analysis

  • max time kernel
    140s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2024, 03:59

General

  • Target

    f1f5c3ac10d4a2b5ee41287be266697a.exe

  • Size

    934KB

  • MD5

    f1f5c3ac10d4a2b5ee41287be266697a

  • SHA1

    cadfebb21927a50708216ce994d748c7c71fb7cb

  • SHA256

    288c3ef10338b99d38a344433451dbb2aadcdc323e656670dae29d9cff5e1313

  • SHA512

    b21d15994853bc485ad1198308ecab15310e44e2cd9b7a6528196816718bd27cc7be5baeb6c3b6ff15b860a8aa20a854cd6e39b266bcdade1c04484c2c1322a3

  • SSDEEP

    24576:lFbved6FiFmV9xW8Hx6Wm95DXXyuZQJDAui:lVp7DHx6n95DXieQ6ui

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 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f1f5c3ac10d4a2b5ee41287be266697a.exe
    "C:\Users\Admin\AppData\Local\Temp\f1f5c3ac10d4a2b5ee41287be266697a.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:2452
    • 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\f1f5c3ac10d4a2b5ee41287be266697a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Users\Admin\AppData\Local\Temp\f1f5c3ac10d4a2b5ee41287be266697a.exe
      "C:\Users\Admin\AppData\Local\Temp\f1f5c3ac10d4a2b5ee41287be266697a.exe"
      2⤵
        PID:4664
      • C:\Users\Admin\AppData\Local\Temp\f1f5c3ac10d4a2b5ee41287be266697a.exe
        "C:\Users\Admin\AppData\Local\Temp\f1f5c3ac10d4a2b5ee41287be266697a.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:2172

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2ziwluq4.sdg.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2172-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2172-33-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2172-61-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2172-63-0x0000000006EE0000-0x0000000006F30000-memory.dmp

      Filesize

      320KB

    • memory/2172-14-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2172-62-0x0000000007060000-0x0000000007222000-memory.dmp

      Filesize

      1.8MB

    • memory/2452-4-0x0000000005450000-0x000000000545A000-memory.dmp

      Filesize

      40KB

    • memory/2452-8-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

      Filesize

      4KB

    • memory/2452-9-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-10-0x0000000006A20000-0x0000000006AAC000-memory.dmp

      Filesize

      560KB

    • memory/2452-7-0x0000000005900000-0x000000000591C000-memory.dmp

      Filesize

      112KB

    • memory/2452-6-0x0000000005760000-0x00000000057FC000-memory.dmp

      Filesize

      624KB

    • memory/2452-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-3-0x0000000005480000-0x0000000005512000-memory.dmp

      Filesize

      584KB

    • memory/2452-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2452-2-0x0000000005990000-0x0000000005F34000-memory.dmp

      Filesize

      5.6MB

    • memory/2452-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

      Filesize

      4KB

    • memory/2452-1-0x0000000000960000-0x0000000000A4E000-memory.dmp

      Filesize

      952KB

    • memory/2600-32-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-49-0x0000000008070000-0x00000000086EA000-memory.dmp

      Filesize

      6.5MB

    • memory/2600-26-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-20-0x0000000005F30000-0x0000000005F96000-memory.dmp

      Filesize

      408KB

    • memory/2600-19-0x0000000005EC0000-0x0000000005F26000-memory.dmp

      Filesize

      408KB

    • memory/2600-18-0x00000000057B0000-0x00000000057D2000-memory.dmp

      Filesize

      136KB

    • memory/2600-34-0x0000000006700000-0x000000000671E000-memory.dmp

      Filesize

      120KB

    • memory/2600-35-0x0000000006790000-0x00000000067DC000-memory.dmp

      Filesize

      304KB

    • memory/2600-36-0x0000000006CF0000-0x0000000006D22000-memory.dmp

      Filesize

      200KB

    • memory/2600-48-0x00000000076F0000-0x0000000007793000-memory.dmp

      Filesize

      652KB

    • memory/2600-47-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

      Filesize

      120KB

    • memory/2600-37-0x0000000070620000-0x000000007066C000-memory.dmp

      Filesize

      304KB

    • memory/2600-50-0x0000000007A20000-0x0000000007A3A000-memory.dmp

      Filesize

      104KB

    • memory/2600-31-0x00000000061E0000-0x0000000006534000-memory.dmp

      Filesize

      3.3MB

    • memory/2600-51-0x0000000007A90000-0x0000000007A9A000-memory.dmp

      Filesize

      40KB

    • memory/2600-52-0x0000000007CA0000-0x0000000007D36000-memory.dmp

      Filesize

      600KB

    • memory/2600-53-0x0000000007C20000-0x0000000007C31000-memory.dmp

      Filesize

      68KB

    • memory/2600-54-0x0000000007C50000-0x0000000007C5E000-memory.dmp

      Filesize

      56KB

    • memory/2600-55-0x0000000007C60000-0x0000000007C74000-memory.dmp

      Filesize

      80KB

    • memory/2600-57-0x0000000007D40000-0x0000000007D48000-memory.dmp

      Filesize

      32KB

    • memory/2600-56-0x0000000007D60000-0x0000000007D7A000-memory.dmp

      Filesize

      104KB

    • memory/2600-60-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-17-0x0000000074BF0000-0x00000000753A0000-memory.dmp

      Filesize

      7.7MB

    • memory/2600-15-0x0000000005820000-0x0000000005E48000-memory.dmp

      Filesize

      6.2MB

    • memory/2600-13-0x0000000002D50000-0x0000000002D86000-memory.dmp

      Filesize

      216KB