Analysis

  • max time kernel
    123s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 11:49

General

  • Target

    PO.exe

  • Size

    744KB

  • MD5

    3517733f27d8ee4cedc0987a778a1096

  • SHA1

    3406683fdd6e84793e51d107867e3610585918ed

  • SHA256

    f22de3de80368de8d284384fdabf68546097f6d5429ffdfe26f51d4b7b76dd8d

  • SHA512

    f3ec13547ec6f22e1c2a19b7f7f28db2fcb24214cecc36441ceba6ab46b7432752ec118d60a5db5735afb1d218b56ab359158459ec304ff8d5402da0aa7b5d18

  • SSDEEP

    12288:yiYRxA4Y5lyA/BxSPCzubE5G556BpUheDnLKuRSfzSrVMESf87Obz6Sruo7zNs/v:CRrtLKUheDDRq0MVbtl7ps/

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7773122470:AAHiC5UHGBaPGR4YIPW_XvO3jPCGyJL-2K8/sendMessage?chat_id=5925423018

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.

  • 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 3 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\PO.exe
    "C:\Users\Admin\AppData\Local\Temp\PO.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:2148
    • 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\PO.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4148
    • C:\Users\Admin\AppData\Local\Temp\PO.exe
      "C:\Users\Admin\AppData\Local\Temp\PO.exe"
      2⤵
        PID:3980
      • C:\Users\Admin\AppData\Local\Temp\PO.exe
        "C:\Users\Admin\AppData\Local\Temp\PO.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:380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bft4gc5l.wsd.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/380-11-0x0000000000400000-0x000000000044A000-memory.dmp

      Filesize

      296KB

    • memory/380-61-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/380-62-0x0000000008EC0000-0x0000000009082000-memory.dmp

      Filesize

      1.8MB

    • memory/380-63-0x0000000008D80000-0x0000000008DD0000-memory.dmp

      Filesize

      320KB

    • memory/380-22-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/380-64-0x00000000095C0000-0x0000000009AEC000-memory.dmp

      Filesize

      5.2MB

    • memory/380-13-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/2148-4-0x0000000005260000-0x000000000526A000-memory.dmp

      Filesize

      40KB

    • memory/2148-9-0x00000000066E0000-0x000000000676E000-memory.dmp

      Filesize

      568KB

    • memory/2148-10-0x000000000A4A0000-0x000000000A53C000-memory.dmp

      Filesize

      624KB

    • memory/2148-8-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/2148-7-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

      Filesize

      4KB

    • memory/2148-14-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/2148-6-0x0000000005770000-0x000000000578A000-memory.dmp

      Filesize

      104KB

    • memory/2148-5-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/2148-3-0x00000000052A0000-0x0000000005332000-memory.dmp

      Filesize

      584KB

    • memory/2148-2-0x0000000005850000-0x0000000005DF4000-memory.dmp

      Filesize

      5.6MB

    • memory/2148-1-0x00000000008B0000-0x0000000000970000-memory.dmp

      Filesize

      768KB

    • memory/2148-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

      Filesize

      4KB

    • memory/4148-18-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-51-0x0000000007060000-0x000000000706A000-memory.dmp

      Filesize

      40KB

    • memory/4148-21-0x0000000005690000-0x00000000056F6000-memory.dmp

      Filesize

      408KB

    • memory/4148-20-0x0000000004E20000-0x0000000004E86000-memory.dmp

      Filesize

      408KB

    • memory/4148-29-0x0000000005700000-0x0000000005A54000-memory.dmp

      Filesize

      3.3MB

    • memory/4148-34-0x0000000005CD0000-0x0000000005CEE000-memory.dmp

      Filesize

      120KB

    • memory/4148-35-0x0000000005D60000-0x0000000005DAC000-memory.dmp

      Filesize

      304KB

    • memory/4148-36-0x00000000062A0000-0x00000000062D2000-memory.dmp

      Filesize

      200KB

    • memory/4148-47-0x0000000006E90000-0x0000000006EAE000-memory.dmp

      Filesize

      120KB

    • memory/4148-37-0x00000000705B0000-0x00000000705FC000-memory.dmp

      Filesize

      304KB

    • memory/4148-48-0x0000000006EC0000-0x0000000006F63000-memory.dmp

      Filesize

      652KB

    • memory/4148-49-0x0000000007640000-0x0000000007CBA000-memory.dmp

      Filesize

      6.5MB

    • memory/4148-50-0x0000000006FF0000-0x000000000700A000-memory.dmp

      Filesize

      104KB

    • memory/4148-23-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-52-0x0000000007270000-0x0000000007306000-memory.dmp

      Filesize

      600KB

    • memory/4148-53-0x00000000071F0000-0x0000000007201000-memory.dmp

      Filesize

      68KB

    • memory/4148-54-0x0000000007220000-0x000000000722E000-memory.dmp

      Filesize

      56KB

    • memory/4148-55-0x0000000007230000-0x0000000007244000-memory.dmp

      Filesize

      80KB

    • memory/4148-56-0x0000000007330000-0x000000000734A000-memory.dmp

      Filesize

      104KB

    • memory/4148-57-0x0000000007310000-0x0000000007318000-memory.dmp

      Filesize

      32KB

    • memory/4148-60-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-19-0x0000000004D00000-0x0000000004D22000-memory.dmp

      Filesize

      136KB

    • memory/4148-16-0x0000000004F60000-0x0000000005588000-memory.dmp

      Filesize

      6.2MB

    • memory/4148-17-0x0000000074B80000-0x0000000075330000-memory.dmp

      Filesize

      7.7MB

    • memory/4148-15-0x00000000023A0000-0x00000000023D6000-memory.dmp

      Filesize

      216KB