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 04:27

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:3424
    • 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:3648
    • C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.exe
      "C:\Users\Admin\AppData\Local\Temp\summary_report_0298762tg.exe"
      2⤵
        PID:4816
      • 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:3064

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rgiljwj3.vvf.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/3064-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/3064-28-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3064-61-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3064-62-0x0000000006640000-0x0000000006802000-memory.dmp

      Filesize

      1.8MB

    • memory/3064-63-0x00000000064C0000-0x0000000006510000-memory.dmp

      Filesize

      320KB

    • memory/3064-64-0x0000000006D40000-0x000000000726C000-memory.dmp

      Filesize

      5.2MB

    • memory/3064-65-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3064-13-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3424-5-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3424-10-0x000000000B340000-0x000000000B3DC000-memory.dmp

      Filesize

      624KB

    • memory/3424-9-0x0000000008AE0000-0x0000000008B6C000-memory.dmp

      Filesize

      560KB

    • memory/3424-8-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3424-7-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/3424-15-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3424-6-0x0000000004FB0000-0x0000000004FC2000-memory.dmp

      Filesize

      72KB

    • memory/3424-0-0x0000000074E0E000-0x0000000074E0F000-memory.dmp

      Filesize

      4KB

    • memory/3424-4-0x0000000004E40000-0x0000000004E4A000-memory.dmp

      Filesize

      40KB

    • memory/3424-3-0x0000000004E70000-0x0000000004F02000-memory.dmp

      Filesize

      584KB

    • memory/3424-2-0x0000000005380000-0x0000000005924000-memory.dmp

      Filesize

      5.6MB

    • memory/3424-1-0x0000000000380000-0x0000000000432000-memory.dmp

      Filesize

      712KB

    • memory/3648-25-0x0000000005790000-0x00000000057B2000-memory.dmp

      Filesize

      136KB

    • memory/3648-52-0x0000000007B00000-0x0000000007B96000-memory.dmp

      Filesize

      600KB

    • memory/3648-26-0x0000000005EA0000-0x0000000005F06000-memory.dmp

      Filesize

      408KB

    • memory/3648-33-0x0000000005F80000-0x00000000062D4000-memory.dmp

      Filesize

      3.3MB

    • memory/3648-34-0x0000000006550000-0x000000000656E000-memory.dmp

      Filesize

      120KB

    • memory/3648-35-0x0000000006600000-0x000000000664C000-memory.dmp

      Filesize

      304KB

    • memory/3648-37-0x0000000070830000-0x000000007087C000-memory.dmp

      Filesize

      304KB

    • memory/3648-36-0x0000000006B30000-0x0000000006B62000-memory.dmp

      Filesize

      200KB

    • memory/3648-47-0x0000000007720000-0x000000000773E000-memory.dmp

      Filesize

      120KB

    • memory/3648-48-0x0000000007750000-0x00000000077F3000-memory.dmp

      Filesize

      652KB

    • memory/3648-49-0x0000000007EC0000-0x000000000853A000-memory.dmp

      Filesize

      6.5MB

    • memory/3648-50-0x0000000007880000-0x000000000789A000-memory.dmp

      Filesize

      104KB

    • memory/3648-51-0x00000000078F0000-0x00000000078FA000-memory.dmp

      Filesize

      40KB

    • memory/3648-27-0x0000000005F10000-0x0000000005F76000-memory.dmp

      Filesize

      408KB

    • memory/3648-53-0x0000000007A80000-0x0000000007A91000-memory.dmp

      Filesize

      68KB

    • memory/3648-54-0x0000000007AB0000-0x0000000007ABE000-memory.dmp

      Filesize

      56KB

    • memory/3648-55-0x0000000007AC0000-0x0000000007AD4000-memory.dmp

      Filesize

      80KB

    • memory/3648-56-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

      Filesize

      104KB

    • memory/3648-57-0x0000000007BA0000-0x0000000007BA8000-memory.dmp

      Filesize

      32KB

    • memory/3648-60-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3648-19-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3648-18-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3648-17-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3648-16-0x0000000005800000-0x0000000005E28000-memory.dmp

      Filesize

      6.2MB

    • memory/3648-14-0x0000000002C30000-0x0000000002C66000-memory.dmp

      Filesize

      216KB