Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 07:56

General

  • Target

    23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe

  • Size

    714KB

  • MD5

    06ef63fcb30cb75b38e13a0a12764097

  • SHA1

    fbf8ee77153177587ef1e81e36cb4adad054d208

  • SHA256

    23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2

  • SHA512

    833722edea13277437343fd24cdfdd2b99a5c8d909a68421ee65bb0e0bbefa41aef183340cce4991d55c21d505e6bfc7e6bb429ccbb10bcdf619669e800b42d2

  • SSDEEP

    12288:c9iiCwgqaVouR4NFasPhfhalaY8xYzOwmutXu5biBfLxenfpQE/rnXwfBIkR:c91C/qaSuybalFdmmeRaLMfmks

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe
    "C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2372
    • 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\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1644
    • C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.exe
      "C:\Users\Admin\AppData\Local\Temp\23b9b4a46c15c5fa3b7445e8041852f3dc831547903250209ca738b1a17fb7c2.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:4356

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_f5yefxol.ltz.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/1644-51-0x0000000007650000-0x000000000765A000-memory.dmp

          Filesize

          40KB

        • memory/1644-48-0x00000000074B0000-0x0000000007553000-memory.dmp

          Filesize

          652KB

        • memory/1644-60-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/1644-57-0x0000000007900000-0x0000000007908000-memory.dmp

          Filesize

          32KB

        • memory/1644-56-0x0000000007920000-0x000000000793A000-memory.dmp

          Filesize

          104KB

        • memory/1644-55-0x0000000007820000-0x0000000007834000-memory.dmp

          Filesize

          80KB

        • memory/1644-54-0x0000000007810000-0x000000000781E000-memory.dmp

          Filesize

          56KB

        • memory/1644-53-0x00000000077E0000-0x00000000077F1000-memory.dmp

          Filesize

          68KB

        • memory/1644-52-0x0000000007860000-0x00000000078F6000-memory.dmp

          Filesize

          600KB

        • memory/1644-50-0x00000000075E0000-0x00000000075FA000-memory.dmp

          Filesize

          104KB

        • memory/1644-49-0x0000000007C20000-0x000000000829A000-memory.dmp

          Filesize

          6.5MB

        • memory/1644-34-0x00000000062B0000-0x00000000062CE000-memory.dmp

          Filesize

          120KB

        • memory/1644-47-0x00000000068D0000-0x00000000068EE000-memory.dmp

          Filesize

          120KB

        • memory/1644-37-0x0000000070BD0000-0x0000000070C1C000-memory.dmp

          Filesize

          304KB

        • memory/1644-16-0x00000000029B0000-0x00000000029E6000-memory.dmp

          Filesize

          216KB

        • memory/1644-18-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/1644-17-0x0000000005480000-0x0000000005AA8000-memory.dmp

          Filesize

          6.2MB

        • memory/1644-19-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/1644-36-0x0000000006870000-0x00000000068A2000-memory.dmp

          Filesize

          200KB

        • memory/1644-27-0x0000000005AB0000-0x0000000005B16000-memory.dmp

          Filesize

          408KB

        • memory/1644-21-0x00000000052E0000-0x0000000005302000-memory.dmp

          Filesize

          136KB

        • memory/1644-28-0x0000000005C20000-0x0000000005C86000-memory.dmp

          Filesize

          408KB

        • memory/1644-35-0x00000000062F0000-0x000000000633C000-memory.dmp

          Filesize

          304KB

        • memory/1644-33-0x0000000005D90000-0x00000000060E4000-memory.dmp

          Filesize

          3.3MB

        • memory/2372-2-0x0000000005E90000-0x0000000006434000-memory.dmp

          Filesize

          5.6MB

        • memory/2372-5-0x0000000005920000-0x000000000592A000-memory.dmp

          Filesize

          40KB

        • memory/2372-3-0x0000000005980000-0x0000000005A12000-memory.dmp

          Filesize

          584KB

        • memory/2372-15-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2372-4-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2372-1-0x0000000000E30000-0x0000000000EE6000-memory.dmp

          Filesize

          728KB

        • memory/2372-11-0x0000000006DD0000-0x0000000006E5A000-memory.dmp

          Filesize

          552KB

        • memory/2372-10-0x0000000005AA0000-0x0000000005AB0000-memory.dmp

          Filesize

          64KB

        • memory/2372-0-0x000000007531E000-0x000000007531F000-memory.dmp

          Filesize

          4KB

        • memory/2372-9-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/2372-8-0x000000007531E000-0x000000007531F000-memory.dmp

          Filesize

          4KB

        • memory/2372-7-0x0000000005A80000-0x0000000005A92000-memory.dmp

          Filesize

          72KB

        • memory/2372-6-0x0000000005BD0000-0x0000000005C6C000-memory.dmp

          Filesize

          624KB

        • memory/4356-12-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/4356-14-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4356-20-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4356-61-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB

        • memory/4356-62-0x0000000006560000-0x0000000006722000-memory.dmp

          Filesize

          1.8MB

        • memory/4356-63-0x0000000006400000-0x0000000006450000-memory.dmp

          Filesize

          320KB

        • memory/4356-64-0x0000000075310000-0x0000000075AC0000-memory.dmp

          Filesize

          7.7MB