Analysis

  • max time kernel
    141s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30/08/2024, 13:22

General

  • Target

    INQUIRY.exe

  • Size

    705KB

  • MD5

    08b45641b13ea906bfc7d47656c28573

  • SHA1

    1c8f1759aa3f18b47952cd660542a5a72f522f15

  • SHA256

    30507f7743a936de9f2e37f444a6fbfd7f5d684c9d22cd9354d1967e5333a89a

  • SHA512

    2f70ff6bfeb50231dd7d645b5f9b500f7fd84ed17e3d642896b36c7b985db37046520da04e2ac72704bf31289fedbf3ec8824cc6cbb88675ae888afd56f327b7

  • SSDEEP

    12288:+oW0xqd0fiXOond4GE9FT9rKDScUx7lWPMEyC/e+CMVkigU2kR:+olqdGiXOond1qxKpUB2MEyj+Ppgq

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 6 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\INQUIRY.exe
    "C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:444
    • 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\INQUIRY.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3140
    • C:\Users\Admin\AppData\Local\Temp\INQUIRY.exe
      "C:\Users\Admin\AppData\Local\Temp\INQUIRY.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:3552
  • 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=4376,i,11708048364682646792,608099842549576907,262144 --variations-seed-version --mojo-platform-channel-handle=4392 /prefetch:8
    1⤵
      PID:4628

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cr10pvsj.tgw.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/444-6-0x0000000007810000-0x0000000007828000-memory.dmp

      Filesize

      96KB

    • memory/444-3-0x0000000004C50000-0x0000000004CE2000-memory.dmp

      Filesize

      584KB

    • memory/444-4-0x0000000004DE0000-0x0000000004DEA000-memory.dmp

      Filesize

      40KB

    • memory/444-5-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/444-14-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/444-7-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

      Filesize

      4KB

    • memory/444-8-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/444-9-0x0000000005F40000-0x0000000005FCA000-memory.dmp

      Filesize

      552KB

    • memory/444-10-0x00000000061D0000-0x000000000626C000-memory.dmp

      Filesize

      624KB

    • memory/444-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

      Filesize

      4KB

    • memory/444-2-0x0000000005160000-0x0000000005704000-memory.dmp

      Filesize

      5.6MB

    • memory/444-1-0x0000000000180000-0x0000000000234000-memory.dmp

      Filesize

      720KB

    • memory/3140-51-0x0000000007A50000-0x0000000007A6A000-memory.dmp

      Filesize

      104KB

    • memory/3140-54-0x0000000007C50000-0x0000000007C61000-memory.dmp

      Filesize

      68KB

    • memory/3140-17-0x0000000005880000-0x0000000005EA8000-memory.dmp

      Filesize

      6.2MB

    • memory/3140-18-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-20-0x0000000005800000-0x0000000005866000-memory.dmp

      Filesize

      408KB

    • memory/3140-21-0x0000000005FB0000-0x0000000006016000-memory.dmp

      Filesize

      408KB

    • memory/3140-19-0x0000000005760000-0x0000000005782000-memory.dmp

      Filesize

      136KB

    • memory/3140-61-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-58-0x0000000007D70000-0x0000000007D78000-memory.dmp

      Filesize

      32KB

    • memory/3140-32-0x0000000006120000-0x0000000006474000-memory.dmp

      Filesize

      3.3MB

    • memory/3140-33-0x0000000006720000-0x000000000673E000-memory.dmp

      Filesize

      120KB

    • memory/3140-34-0x0000000006760000-0x00000000067AC000-memory.dmp

      Filesize

      304KB

    • memory/3140-35-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-36-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3140-37-0x0000000006CE0000-0x0000000006D12000-memory.dmp

      Filesize

      200KB

    • memory/3140-38-0x0000000070610000-0x000000007065C000-memory.dmp

      Filesize

      304KB

    • memory/3140-48-0x0000000006D20000-0x0000000006D3E000-memory.dmp

      Filesize

      120KB

    • memory/3140-49-0x0000000007750000-0x00000000077F3000-memory.dmp

      Filesize

      652KB

    • memory/3140-50-0x0000000008090000-0x000000000870A000-memory.dmp

      Filesize

      6.5MB

    • memory/3140-57-0x0000000007D90000-0x0000000007DAA000-memory.dmp

      Filesize

      104KB

    • memory/3140-52-0x0000000007AC0000-0x0000000007ACA000-memory.dmp

      Filesize

      40KB

    • memory/3140-53-0x0000000007CD0000-0x0000000007D66000-memory.dmp

      Filesize

      600KB

    • memory/3140-16-0x0000000005160000-0x0000000005196000-memory.dmp

      Filesize

      216KB

    • memory/3140-55-0x0000000007C80000-0x0000000007C8E000-memory.dmp

      Filesize

      56KB

    • memory/3140-56-0x0000000007C90000-0x0000000007CA4000-memory.dmp

      Filesize

      80KB

    • memory/3552-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3552-15-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3552-27-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3552-62-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3552-63-0x0000000074C00000-0x00000000753B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3552-64-0x0000000006410000-0x00000000065D2000-memory.dmp

      Filesize

      1.8MB

    • memory/3552-65-0x00000000062B0000-0x0000000006300000-memory.dmp

      Filesize

      320KB