Analysis

  • max time kernel
    121s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 02:32

General

  • Target

    525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.exe

  • Size

    886KB

  • MD5

    68dfd91fce9ad3d728a7c25716990edd

  • SHA1

    6a6843531a77b77892813360b3daf0b0bbfea8c2

  • SHA256

    525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58

  • SHA512

    cb16e579c818d63d4be0798211ef3d4f36728804280920d4508366d5a65c2c6c237452fc7cce112c8baba49f481b89c132e9accee541eab26424bfd80df63049

  • SSDEEP

    12288:GqktMolx2euSXxT4lfsvAt75PAXfZ0mA4t3Rx5Z5MpaXv0cWP2vMPku+l0CPP:gtZPpXStlaRNJJRb8pqvmPd+p

Malware Config

Extracted

Family

vipkeylogger

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.

  • Disables Task Manager via registry modification
  • 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 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 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\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.exe
    "C:\Users\Admin\AppData\Local\Temp\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.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:2748
    • 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\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\Users\Admin\AppData\Local\Temp\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.exe
      "C:\Users\Admin\AppData\Local\Temp\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.exe"
      2⤵
        PID:1704
      • C:\Users\Admin\AppData\Local\Temp\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.exe
        "C:\Users\Admin\AppData\Local\Temp\525248e53005e0ec5a39b4aa00c2323e9f5be5a256ddd944707aba1b3dedba58.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:1312

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_szgeclo1.i54.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1312-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1312-36-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1312-62-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/1312-63-0x0000000006A90000-0x0000000006C52000-memory.dmp

      Filesize

      1.8MB

    • memory/1312-64-0x00000000068C0000-0x0000000006910000-memory.dmp

      Filesize

      320KB

    • memory/1312-14-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-5-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-8-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

    • memory/2748-9-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-10-0x00000000046C0000-0x000000000474E000-memory.dmp

      Filesize

      568KB

    • memory/2748-11-0x000000000D2C0000-0x000000000D35C000-memory.dmp

      Filesize

      624KB

    • memory/2748-7-0x0000000005AB0000-0x0000000005AD6000-memory.dmp

      Filesize

      152KB

    • memory/2748-6-0x0000000004E40000-0x0000000004E4A000-memory.dmp

      Filesize

      40KB

    • memory/2748-15-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/2748-4-0x0000000004E70000-0x00000000051C4000-memory.dmp

      Filesize

      3.3MB

    • memory/2748-3-0x0000000004CD0000-0x0000000004D62000-memory.dmp

      Filesize

      584KB

    • memory/2748-2-0x00000000051E0000-0x0000000005784000-memory.dmp

      Filesize

      5.6MB

    • memory/2748-1-0x00000000001C0000-0x00000000002A4000-memory.dmp

      Filesize

      912KB

    • memory/2748-0-0x0000000074B4E000-0x0000000074B4F000-memory.dmp

      Filesize

      4KB

    • memory/4916-24-0x0000000006160000-0x00000000064B4000-memory.dmp

      Filesize

      3.3MB

    • memory/4916-51-0x0000000007A40000-0x0000000007A5A000-memory.dmp

      Filesize

      104KB

    • memory/4916-22-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-20-0x0000000005F80000-0x0000000005FE6000-memory.dmp

      Filesize

      408KB

    • memory/4916-19-0x0000000005650000-0x0000000005672000-memory.dmp

      Filesize

      136KB

    • memory/4916-21-0x0000000005FF0000-0x0000000006056000-memory.dmp

      Filesize

      408KB

    • memory/4916-35-0x0000000006750000-0x000000000679C000-memory.dmp

      Filesize

      304KB

    • memory/4916-34-0x0000000006720000-0x000000000673E000-memory.dmp

      Filesize

      120KB

    • memory/4916-37-0x0000000006CE0000-0x0000000006D12000-memory.dmp

      Filesize

      200KB

    • memory/4916-38-0x0000000070570000-0x00000000705BC000-memory.dmp

      Filesize

      304KB

    • memory/4916-48-0x0000000006CC0000-0x0000000006CDE000-memory.dmp

      Filesize

      120KB

    • memory/4916-49-0x0000000007720000-0x00000000077C3000-memory.dmp

      Filesize

      652KB

    • memory/4916-50-0x0000000008090000-0x000000000870A000-memory.dmp

      Filesize

      6.5MB

    • memory/4916-23-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-52-0x0000000007AB0000-0x0000000007ABA000-memory.dmp

      Filesize

      40KB

    • memory/4916-53-0x0000000007CC0000-0x0000000007D56000-memory.dmp

      Filesize

      600KB

    • memory/4916-54-0x0000000007C40000-0x0000000007C51000-memory.dmp

      Filesize

      68KB

    • memory/4916-55-0x0000000007C70000-0x0000000007C7E000-memory.dmp

      Filesize

      56KB

    • memory/4916-56-0x0000000007C80000-0x0000000007C94000-memory.dmp

      Filesize

      80KB

    • memory/4916-57-0x0000000007D80000-0x0000000007D9A000-memory.dmp

      Filesize

      104KB

    • memory/4916-58-0x0000000007D60000-0x0000000007D68000-memory.dmp

      Filesize

      32KB

    • memory/4916-61-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

      Filesize

      7.7MB

    • memory/4916-17-0x00000000058E0000-0x0000000005F08000-memory.dmp

      Filesize

      6.2MB

    • memory/4916-16-0x0000000002E00000-0x0000000002E36000-memory.dmp

      Filesize

      216KB