Analysis

  • max time kernel
    126s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250619-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250619-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/10/2025, 11:53

General

  • Target
    SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe
  • Size 783KB
  • Sample251005-n2s4cseq41
  • SHA256 399c51d6ed22fb0c649d5a148aaef55eee07060251dde6ed045c188d2f4c8b4a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials
C2
  • https://api.telegram.org/bot8071660627:AAFb60NRq4wg_o7DhXUr5cIhpwAsiUS1IlI/sendMessage?chat_id=5630866666

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.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:2384
    • 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\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4952
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe"
      2⤵
        PID:4800
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe"
        2⤵
          PID:4836
        • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe
          "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.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:4868

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe.log

            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.Siggen31.59338.23958.19263.exe.log
            • Size 1KB
            • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
            • MD5 SHA1 SHA512

            __PSScriptPolicyTest_ss33sb1u.gku.ps1

            • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ss33sb1u.gku.ps1
            • Size 60B
            • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
            • MD5 SHA1 SHA512

            memory/2384-1-0x0000000005D00000-0x00000000062A4000-memory.dmp

            memory/2384-2-0x00000000057F0000-0x0000000005882000-memory.dmp

            memory/2384-3-0x0000000005A40000-0x0000000005A50000-memory.dmp

            memory/2384-4-0x0000000005770000-0x000000000577A000-memory.dmp

            memory/2384-5-0x0000000005A50000-0x0000000005AEC000-memory.dmp

            memory/2384-6-0x0000000005A30000-0x0000000005A3C000-memory.dmp

            memory/2384-7-0x0000000005A40000-0x0000000005A50000-memory.dmp

            memory/2384-8-0x00000000069E0000-0x0000000006A6E000-memory.dmp

            memory/2384-0-0x0000000000CB0000-0x0000000000D7A000-memory.dmp

            memory/4868-9-0x0000000000400000-0x0000000000448000-memory.dmp

            memory/4868-55-0x00000000051F0000-0x0000000005200000-memory.dmp

            memory/4868-14-0x00000000051F0000-0x0000000005200000-memory.dmp

            memory/4868-57-0x0000000006470000-0x00000000064C0000-memory.dmp

            memory/4868-56-0x00000000065F0000-0x00000000067B2000-memory.dmp

            memory/4952-42-0x0000000006C30000-0x0000000006C4E000-memory.dmp

            memory/4952-45-0x00000000079C0000-0x00000000079DA000-memory.dmp

            memory/4952-13-0x0000000002D70000-0x0000000002DA6000-memory.dmp

            memory/4952-24-0x00000000060A0000-0x00000000063F4000-memory.dmp

            memory/4952-29-0x00000000066A0000-0x00000000066BE000-memory.dmp

            memory/4952-30-0x00000000066D0000-0x000000000671C000-memory.dmp

            memory/4952-31-0x0000000006C70000-0x0000000006CA2000-memory.dmp

            memory/4952-32-0x00000000706B0000-0x00000000706FC000-memory.dmp

            memory/4952-12-0x0000000005430000-0x0000000005440000-memory.dmp

            memory/4952-43-0x0000000007680000-0x0000000007723000-memory.dmp

            memory/4952-44-0x0000000008010000-0x000000000868A000-memory.dmp

            memory/4952-18-0x0000000005860000-0x00000000058C6000-memory.dmp

            memory/4952-46-0x0000000007A30000-0x0000000007A3A000-memory.dmp

            memory/4952-47-0x0000000007C40000-0x0000000007CD6000-memory.dmp

            memory/4952-48-0x0000000007BC0000-0x0000000007BD1000-memory.dmp

            memory/4952-49-0x0000000007BF0000-0x0000000007BFE000-memory.dmp

            memory/4952-50-0x0000000007C00000-0x0000000007C14000-memory.dmp

            memory/4952-51-0x0000000007D00000-0x0000000007D1A000-memory.dmp

            memory/4952-52-0x0000000007CE0000-0x0000000007CE8000-memory.dmp

            memory/4952-17-0x0000000005780000-0x00000000057E6000-memory.dmp

            memory/4952-16-0x00000000056E0000-0x0000000005702000-memory.dmp

            memory/4952-15-0x0000000005A70000-0x0000000006098000-memory.dmp