Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2025, 18:08

General

  • Target

    3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe

  • Size

    760KB

  • MD5

    0d95d88f007b5608054477fa34fc5b30

  • SHA1

    1b8adcf812bb5a06349018ec2543009121ef5df9

  • SHA256

    3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9

  • SHA512

    f9efbe292904296ba9d8939377ec84564280c7ff246ef1b3c088c5a30cf7e9766fb06e73acd13f88a6c3795f55b559ac749f9ca8c9835e93c822c51a33ef2e5b

  • SSDEEP

    12288:0BxgmmpFgv/kav5KneklnTpQK/fiWkNPnEHGZARW+u:wkA1vtwTp9qbPEmZO

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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
    "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.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:3320
    • 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\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2736
    • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
      "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe"
      2⤵
        PID:1636
      • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
        "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe"
        2⤵
          PID:1876
        • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
          "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.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:2788

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uvttr15l.0s5.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/2736-53-0x00000000078F0000-0x0000000007901000-memory.dmp

        Filesize

        68KB

      • memory/2736-51-0x0000000007760000-0x000000000776A000-memory.dmp

        Filesize

        40KB

      • memory/2736-55-0x0000000007930000-0x0000000007944000-memory.dmp

        Filesize

        80KB

      • memory/2736-54-0x0000000007920000-0x000000000792E000-memory.dmp

        Filesize

        56KB

      • memory/2736-35-0x00000000063E0000-0x000000000642C000-memory.dmp

        Filesize

        304KB

      • memory/2736-52-0x0000000007970000-0x0000000007A06000-memory.dmp

        Filesize

        600KB

      • memory/2736-47-0x0000000007590000-0x00000000075AE000-memory.dmp

        Filesize

        120KB

      • memory/2736-50-0x00000000076F0000-0x000000000770A000-memory.dmp

        Filesize

        104KB

      • memory/2736-49-0x0000000007D30000-0x00000000083AA000-memory.dmp

        Filesize

        6.5MB

      • memory/2736-48-0x00000000075C0000-0x0000000007663000-memory.dmp

        Filesize

        652KB

      • memory/2736-56-0x0000000007A30000-0x0000000007A4A000-memory.dmp

        Filesize

        104KB

      • memory/2736-57-0x0000000007A10000-0x0000000007A18000-memory.dmp

        Filesize

        32KB

      • memory/2736-18-0x00000000055E0000-0x0000000005C08000-memory.dmp

        Filesize

        6.2MB

      • memory/2736-37-0x00000000701F0000-0x000000007023C000-memory.dmp

        Filesize

        304KB

      • memory/2736-17-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/2736-19-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/2736-15-0x0000000004E20000-0x0000000004E56000-memory.dmp

        Filesize

        216KB

      • memory/2736-20-0x0000000005420000-0x0000000005442000-memory.dmp

        Filesize

        136KB

      • memory/2736-21-0x00000000054C0000-0x0000000005526000-memory.dmp

        Filesize

        408KB

      • memory/2736-22-0x0000000005CC0000-0x0000000005D26000-memory.dmp

        Filesize

        408KB

      • memory/2736-36-0x0000000006980000-0x00000000069B2000-memory.dmp

        Filesize

        200KB

      • memory/2736-60-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/2736-33-0x0000000005E30000-0x0000000006184000-memory.dmp

        Filesize

        3.3MB

      • memory/2736-34-0x00000000063C0000-0x00000000063DE000-memory.dmp

        Filesize

        120KB

      • memory/2788-11-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/2788-23-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/2788-64-0x0000000006500000-0x0000000006550000-memory.dmp

        Filesize

        320KB

      • memory/2788-14-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/2788-63-0x0000000006670000-0x0000000006832000-memory.dmp

        Filesize

        1.8MB

      • memory/2788-62-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/2788-61-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/3320-6-0x0000000005A80000-0x0000000005A9E000-memory.dmp

        Filesize

        120KB

      • memory/3320-7-0x00000000747CE000-0x00000000747CF000-memory.dmp

        Filesize

        4KB

      • memory/3320-8-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/3320-5-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB

      • memory/3320-4-0x00000000058B0000-0x00000000058BA000-memory.dmp

        Filesize

        40KB

      • memory/3320-3-0x0000000005900000-0x0000000005992000-memory.dmp

        Filesize

        584KB

      • memory/3320-2-0x0000000005E10000-0x00000000063B4000-memory.dmp

        Filesize

        5.6MB

      • memory/3320-1-0x0000000000E00000-0x0000000000EC4000-memory.dmp

        Filesize

        784KB

      • memory/3320-9-0x0000000005290000-0x000000000531E000-memory.dmp

        Filesize

        568KB

      • memory/3320-10-0x000000000DD00000-0x000000000DD9C000-memory.dmp

        Filesize

        624KB

      • memory/3320-0-0x00000000747CE000-0x00000000747CF000-memory.dmp

        Filesize

        4KB

      • memory/3320-16-0x00000000747C0000-0x0000000074F70000-memory.dmp

        Filesize

        7.7MB