Analysis

  • max time kernel
    119s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-09-2024 06:51

General

  • Target

    summary_report_0298762tg.exe

  • Size

    684KB

  • MD5

    07f6ab2cc7e02e5b7eb3a1c1df9feb81

  • SHA1

    b1b285b06f48639161e5496a7faac584ac8542e7

  • SHA256

    d843feb33765df99f544515b6bcdffea27cb47a5a14f3b9ae50114b09fb6581d

  • SHA512

    562fa48f630061d0abe95896bd4580eae4b7af07c81f28cc042e5d3f59d7c5bbb13431032ff56863d483697157bb75b7bd5cc9b9368fd54e948d03ec75f8110b

  • SSDEEP

    12288:gJLdutCi+h12jplguYFeg3XbIaVCNfO5Rz9Z9cWqv8l58bQbn:gJLQCiVjplMbz8NOBD9ms2I

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7331041604:AAE-Us7UbUFSJts_TZoHHXgsfP7KSC7d5do/sendMessage?chat_id=7422462541

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 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 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\summary_report_0298762tg.exe
    "C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.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:4812
    • 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\summary_report_0298762tg.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.exe
      "C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.exe"
      2⤵
        PID:592
      • C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.exe
        "C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.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:4908

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_foitpj1c.r1q.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2704-51-0x00000000072B0000-0x00000000072BA000-memory.dmp

      Filesize

      40KB

    • memory/2704-48-0x00000000070E0000-0x0000000007183000-memory.dmp

      Filesize

      652KB

    • memory/2704-33-0x00000000059F0000-0x0000000005D44000-memory.dmp

      Filesize

      3.3MB

    • memory/2704-27-0x00000000057D0000-0x0000000005836000-memory.dmp

      Filesize

      408KB

    • memory/2704-60-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/2704-57-0x0000000007560000-0x0000000007568000-memory.dmp

      Filesize

      32KB

    • memory/2704-56-0x0000000007580000-0x000000000759A000-memory.dmp

      Filesize

      104KB

    • memory/2704-55-0x0000000007480000-0x0000000007494000-memory.dmp

      Filesize

      80KB

    • memory/2704-54-0x0000000007470000-0x000000000747E000-memory.dmp

      Filesize

      56KB

    • memory/2704-53-0x0000000007440000-0x0000000007451000-memory.dmp

      Filesize

      68KB

    • memory/2704-52-0x00000000074C0000-0x0000000007556000-memory.dmp

      Filesize

      600KB

    • memory/2704-50-0x0000000007240000-0x000000000725A000-memory.dmp

      Filesize

      104KB

    • memory/2704-49-0x0000000007880000-0x0000000007EFA000-memory.dmp

      Filesize

      6.5MB

    • memory/2704-35-0x0000000005F30000-0x0000000005F7C000-memory.dmp

      Filesize

      304KB

    • memory/2704-16-0x0000000002570000-0x00000000025A6000-memory.dmp

      Filesize

      216KB

    • memory/2704-17-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/2704-19-0x00000000051A0000-0x00000000057C8000-memory.dmp

      Filesize

      6.2MB

    • memory/2704-34-0x0000000005F00000-0x0000000005F1E000-memory.dmp

      Filesize

      120KB

    • memory/2704-20-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/2704-21-0x0000000004ED0000-0x0000000004EF2000-memory.dmp

      Filesize

      136KB

    • memory/2704-47-0x00000000064C0000-0x00000000064DE000-memory.dmp

      Filesize

      120KB

    • memory/2704-28-0x0000000005840000-0x00000000058A6000-memory.dmp

      Filesize

      408KB

    • memory/2704-37-0x00000000708C0000-0x000000007090C000-memory.dmp

      Filesize

      304KB

    • memory/2704-36-0x00000000064E0000-0x0000000006512000-memory.dmp

      Filesize

      200KB

    • memory/2704-18-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4812-14-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4812-10-0x000000000B320000-0x000000000B3BC000-memory.dmp

      Filesize

      624KB

    • memory/4812-4-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4812-1-0x0000000000380000-0x0000000000432000-memory.dmp

      Filesize

      712KB

    • memory/4812-3-0x0000000004E80000-0x0000000004F12000-memory.dmp

      Filesize

      584KB

    • memory/4812-2-0x0000000005430000-0x00000000059D4000-memory.dmp

      Filesize

      5.6MB

    • memory/4812-5-0x0000000004E30000-0x0000000004E3A000-memory.dmp

      Filesize

      40KB

    • memory/4812-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

      Filesize

      4KB

    • memory/4812-6-0x0000000005220000-0x0000000005232000-memory.dmp

      Filesize

      72KB

    • memory/4812-7-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

      Filesize

      4KB

    • memory/4812-9-0x0000000008AD0000-0x0000000008B5C000-memory.dmp

      Filesize

      560KB

    • memory/4812-8-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4908-64-0x00000000062C0000-0x0000000006310000-memory.dmp

      Filesize

      320KB

    • memory/4908-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/4908-13-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4908-61-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4908-62-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4908-63-0x0000000006440000-0x0000000006602000-memory.dmp

      Filesize

      1.8MB

    • memory/4908-15-0x0000000074EB0000-0x0000000075660000-memory.dmp

      Filesize

      7.7MB

    • memory/4908-65-0x0000000006B40000-0x000000000706C000-memory.dmp

      Filesize

      5.2MB