Analysis

  • max time kernel
    91s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 13:40

General

  • Target

    4.exe

  • Size

    757KB

  • MD5

    fbe6bc03a03310d3cb73b56f26c450c4

  • SHA1

    daef2bf82d629458f58ef53c2faf93970c27644e

  • SHA256

    1ffdb5b3f3b764b20dfc66d3c70d80d25a75b3707f42cce07b032398bce7b195

  • SHA512

    55972ac403bb20d4ff8f4da07c62c0172260f3e73889b4e5069ad999920409f30c7cbca95bb953ed0d10fe0af38555b816322bcfcea79fc75ea123b0471e5ad1

  • SSDEEP

    12288:HNit1Ay2Lr/xR65Qxh1D5N1IyXHu1/NeKtmtpqgqc5kp2PLitx+xRkR:At1yQUJW2OPbnlYLQx+xM

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    foxwagon-equipment.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SVBd8Gv^}!B1

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 4 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 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\4.exe
    "C:\Users\Admin\AppData\Local\Temp\4.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:1764
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\nyQmHXV.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2424
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nyQmHXV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8681.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3332
    • C:\Users\Admin\AppData\Local\Temp\4.exe
      "C:\Users\Admin\AppData\Local\Temp\4.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:5040
  • 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=4308,i,15436195446242760253,4000484513008731869,262144 --variations-seed-version --mojo-platform-channel-handle=4212 /prefetch:8
    1⤵
      PID:1588

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cztodfda.3gi.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmp8681.tmp

      Filesize

      1KB

      MD5

      67bd8b64b2d1a1278d7f80dd98f8c693

      SHA1

      483c5aa2519f7910156d5e53dba15ea91d47e450

      SHA256

      1a3e458be72ec7da6439c8ea5bb1b3acbe6b7c6665829c658fd3df6df37c2c12

      SHA512

      72b44a967342659b04e0afd205b272ed80b6a24c178b67ba0e32295b83181e8017ef28eeac450b65a417ece15414819763c39fb5886222e33b2506af9ac68050

    • memory/1764-6-0x0000000005940000-0x000000000595E000-memory.dmp

      Filesize

      120KB

    • memory/1764-3-0x0000000005450000-0x00000000054E2000-memory.dmp

      Filesize

      584KB

    • memory/1764-4-0x00000000053F0000-0x00000000053FA000-memory.dmp

      Filesize

      40KB

    • memory/1764-5-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-2-0x0000000005960000-0x0000000005F04000-memory.dmp

      Filesize

      5.6MB

    • memory/1764-7-0x000000007441E000-0x000000007441F000-memory.dmp

      Filesize

      4KB

    • memory/1764-8-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-9-0x0000000002C70000-0x0000000002CFC000-memory.dmp

      Filesize

      560KB

    • memory/1764-10-0x000000000C730000-0x000000000C7CC000-memory.dmp

      Filesize

      624KB

    • memory/1764-0-0x000000007441E000-0x000000007441F000-memory.dmp

      Filesize

      4KB

    • memory/1764-35-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/1764-1-0x0000000000930000-0x00000000009F0000-memory.dmp

      Filesize

      768KB

    • memory/2424-55-0x00000000072B0000-0x00000000072BA000-memory.dmp

      Filesize

      40KB

    • memory/2424-58-0x0000000007470000-0x000000000747E000-memory.dmp

      Filesize

      56KB

    • memory/2424-64-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-21-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-30-0x00000000058B0000-0x0000000005916000-memory.dmp

      Filesize

      408KB

    • memory/2424-29-0x0000000005840000-0x00000000058A6000-memory.dmp

      Filesize

      408KB

    • memory/2424-17-0x0000000005140000-0x0000000005768000-memory.dmp

      Filesize

      6.2MB

    • memory/2424-16-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-61-0x0000000007560000-0x0000000007568000-memory.dmp

      Filesize

      32KB

    • memory/2424-23-0x00000000057A0000-0x00000000057C2000-memory.dmp

      Filesize

      136KB

    • memory/2424-37-0x0000000005A20000-0x0000000005D74000-memory.dmp

      Filesize

      3.3MB

    • memory/2424-38-0x0000000005F20000-0x0000000005F3E000-memory.dmp

      Filesize

      120KB

    • memory/2424-39-0x0000000005FC0000-0x000000000600C000-memory.dmp

      Filesize

      304KB

    • memory/2424-40-0x00000000064F0000-0x0000000006522000-memory.dmp

      Filesize

      200KB

    • memory/2424-41-0x0000000070740000-0x000000007078C000-memory.dmp

      Filesize

      304KB

    • memory/2424-51-0x00000000070E0000-0x00000000070FE000-memory.dmp

      Filesize

      120KB

    • memory/2424-52-0x0000000007110000-0x00000000071B3000-memory.dmp

      Filesize

      652KB

    • memory/2424-53-0x0000000007890000-0x0000000007F0A000-memory.dmp

      Filesize

      6.5MB

    • memory/2424-54-0x0000000007240000-0x000000000725A000-memory.dmp

      Filesize

      104KB

    • memory/2424-15-0x0000000004970000-0x00000000049A6000-memory.dmp

      Filesize

      216KB

    • memory/2424-56-0x00000000074C0000-0x0000000007556000-memory.dmp

      Filesize

      600KB

    • memory/2424-57-0x0000000007440000-0x0000000007451000-memory.dmp

      Filesize

      68KB

    • memory/2424-18-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2424-59-0x0000000007480000-0x0000000007494000-memory.dmp

      Filesize

      80KB

    • memory/2424-60-0x0000000007580000-0x000000000759A000-memory.dmp

      Filesize

      104KB

    • memory/5040-36-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB

    • memory/5040-20-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/5040-65-0x0000000006CF0000-0x0000000006EB2000-memory.dmp

      Filesize

      1.8MB

    • memory/5040-66-0x0000000006B70000-0x0000000006BC0000-memory.dmp

      Filesize

      320KB

    • memory/5040-67-0x00000000073F0000-0x000000000791C000-memory.dmp

      Filesize

      5.2MB

    • memory/5040-68-0x0000000074410000-0x0000000074BC0000-memory.dmp

      Filesize

      7.7MB