Analysis

  • max time kernel
    140s
  • max time network
    136s
  • 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, 19:13

General

  • Target

    Invoice-2238562.pdf.exe

  • Size

    697KB

  • MD5

    ffce60d577ed0b67ba4f4a590fa1aabc

  • SHA1

    b3ed06cb9856f457fd161efee573e3d9695cccb3

  • SHA256

    5827d53c05670c0d0f65d0ce989000b410cfbfb5a9831107d8dfbb13280501cb

  • SHA512

    cb5bd447f3c2d281ff93cb49c82f961e9a9edfa7efc1b6acb5bb6e9ac3fba7d20fe5ebb0b386c0b1582787d0aa40a370700b86629dcdb9638dcfe9e60e2fadb8

  • SSDEEP

    12288:3kVV5pxDntgsVsuhtng2RcAxzCUZk/25J/l4FZGb4jmoMA+d7CvWZMWMPagvk:325rp/zRcKPZk/O/lsZGHoMA6eoMzpvk

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cgate-ae.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    3_R1bH2BnpXc

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 2 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 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5204
    • 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\Invoice-2238562.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5720
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\QyszliywyYQPNQ.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5408
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QyszliywyYQPNQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAFE.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:5308
    • C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Invoice-2238562.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1372
  • 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=4380,i,2904906934812054273,11716976550456127484,262144 --variations-seed-version --mojo-platform-channel-handle=1288 /prefetch:8
    1⤵
      PID:5396

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nzgma2jv.x0k.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpBAFE.tmp

      Filesize

      1KB

      MD5

      6aa5c33713dc4f650527a2b9a3c3779e

      SHA1

      594467ebc3e55971f8bcf3421c65c497673d29f7

      SHA256

      82b12e18a7f1b457296551243c37535e93e6183e174b9f464f001f988d7d8bbe

      SHA512

      3effa54b3bae7efbc3deffba643b8974605acd0eb95b3df72b4c2ed08924097c413425f992d5e69974905c60a89095451250bb13bbc80bd9cfd48aacbb75cbe5

    • memory/1372-88-0x00000000071C0000-0x00000000076EC000-memory.dmp

      Filesize

      5.2MB

    • memory/1372-45-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1372-86-0x0000000006AC0000-0x0000000006C82000-memory.dmp

      Filesize

      1.8MB

    • memory/1372-87-0x0000000006960000-0x00000000069B0000-memory.dmp

      Filesize

      320KB

    • memory/5204-7-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/5204-2-0x0000000005340000-0x00000000058E4000-memory.dmp

      Filesize

      5.6MB

    • memory/5204-8-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5204-9-0x0000000006080000-0x000000000610C000-memory.dmp

      Filesize

      560KB

    • memory/5204-10-0x00000000062B0000-0x000000000634C000-memory.dmp

      Filesize

      624KB

    • memory/5204-0-0x000000007524E000-0x000000007524F000-memory.dmp

      Filesize

      4KB

    • memory/5204-6-0x0000000005320000-0x0000000005338000-memory.dmp

      Filesize

      96KB

    • memory/5204-5-0x0000000004D70000-0x0000000004D7A000-memory.dmp

      Filesize

      40KB

    • memory/5204-4-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5204-49-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5204-1-0x0000000000290000-0x0000000000344000-memory.dmp

      Filesize

      720KB

    • memory/5204-3-0x0000000004D90000-0x0000000004E22000-memory.dmp

      Filesize

      584KB

    • memory/5408-79-0x00000000075B0000-0x00000000075C4000-memory.dmp

      Filesize

      80KB

    • memory/5408-77-0x0000000007570000-0x0000000007581000-memory.dmp

      Filesize

      68KB

    • memory/5408-25-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5408-26-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5408-50-0x0000000006FD0000-0x0000000007002000-memory.dmp

      Filesize

      200KB

    • memory/5408-76-0x00000000075F0000-0x0000000007686000-memory.dmp

      Filesize

      600KB

    • memory/5408-80-0x00000000076B0000-0x00000000076CA000-memory.dmp

      Filesize

      104KB

    • memory/5408-84-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5408-71-0x0000000007210000-0x000000000722E000-memory.dmp

      Filesize

      120KB

    • memory/5408-51-0x000000006FEB0000-0x000000006FEFC000-memory.dmp

      Filesize

      304KB

    • memory/5720-15-0x0000000002220000-0x0000000002256000-memory.dmp

      Filesize

      216KB

    • memory/5720-47-0x0000000005B50000-0x0000000005B6E000-memory.dmp

      Filesize

      120KB

    • memory/5720-61-0x000000006FEB0000-0x000000006FEFC000-memory.dmp

      Filesize

      304KB

    • memory/5720-48-0x0000000005E90000-0x0000000005EDC000-memory.dmp

      Filesize

      304KB

    • memory/5720-72-0x0000000006B70000-0x0000000006C13000-memory.dmp

      Filesize

      652KB

    • memory/5720-73-0x00000000074E0000-0x0000000007B5A000-memory.dmp

      Filesize

      6.5MB

    • memory/5720-74-0x0000000006E90000-0x0000000006EAA000-memory.dmp

      Filesize

      104KB

    • memory/5720-75-0x0000000006F10000-0x0000000006F1A000-memory.dmp

      Filesize

      40KB

    • memory/5720-24-0x00000000054E0000-0x0000000005834000-memory.dmp

      Filesize

      3.3MB

    • memory/5720-19-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5720-78-0x00000000070C0000-0x00000000070CE000-memory.dmp

      Filesize

      56KB

    • memory/5720-20-0x0000000004A70000-0x0000000004A92000-memory.dmp

      Filesize

      136KB

    • memory/5720-21-0x0000000005390000-0x00000000053F6000-memory.dmp

      Filesize

      408KB

    • memory/5720-81-0x00000000071B0000-0x00000000071B8000-memory.dmp

      Filesize

      32KB

    • memory/5720-22-0x0000000005400000-0x0000000005466000-memory.dmp

      Filesize

      408KB

    • memory/5720-85-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5720-18-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB

    • memory/5720-17-0x0000000004BF0000-0x0000000005218000-memory.dmp

      Filesize

      6.2MB

    • memory/5720-16-0x0000000075240000-0x00000000759F0000-memory.dmp

      Filesize

      7.7MB