Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250313-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/03/2025, 09:39

General

  • Target
    BOM N012-001 231109.exe
  • Size 820KB
  • Sample250317-lmn5rawxfw
  • SHA256 ef55b4e979a0e1c6ae71afbb4436dbcf5bc3520f25797961ecbbf05466cead1a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

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\BOM N012-001 231109.exe
    "C:\Users\Admin\AppData\Local\Temp\BOM N012-001 231109.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:1984
    • 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\BOM N012-001 231109.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:6064
    • C:\Users\Admin\AppData\Local\Temp\BOM N012-001 231109.exe
      "C:\Users\Admin\AppData\Local\Temp\BOM N012-001 231109.exe"
      2⤵
        PID:5852
      • C:\Users\Admin\AppData\Local\Temp\BOM N012-001 231109.exe
        "C:\Users\Admin\AppData\Local\Temp\BOM N012-001 231109.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:5244

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          __PSScriptPolicyTest_jahx4ia3.o3b.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jahx4ia3.o3b.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/1984-10-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

          memory/1984-12-0x0000000009170000-0x00000000091FE000-memory.dmp

          memory/1984-3-0x0000000005040000-0x00000000050D2000-memory.dmp

          memory/1984-4-0x0000000005FD0000-0x000000000649C000-memory.dmp

          memory/1984-5-0x00000000050E0000-0x0000000005434000-memory.dmp

          memory/1984-6-0x0000000005B40000-0x0000000005B4A000-memory.dmp

          memory/1984-7-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/1984-8-0x0000000006BA0000-0x0000000006C4E000-memory.dmp

          memory/1984-9-0x0000000005F90000-0x0000000005FA0000-memory.dmp

          memory/1984-13-0x000000000BA30000-0x000000000BACC000-memory.dmp

          memory/1984-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

          memory/1984-11-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/1984-1-0x0000000000690000-0x0000000000762000-memory.dmp

          memory/1984-0-0x0000000074EAE000-0x0000000074EAF000-memory.dmp

          memory/1984-17-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/5244-16-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/5244-66-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/5244-65-0x00000000064E0000-0x0000000006530000-memory.dmp

          memory/5244-64-0x0000000006640000-0x0000000006802000-memory.dmp

          memory/5244-63-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/5244-23-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/5244-14-0x0000000000400000-0x0000000000448000-memory.dmp

          memory/6064-21-0x00000000058F0000-0x0000000005912000-memory.dmp

          memory/6064-52-0x0000000007390000-0x00000000073AA000-memory.dmp

          memory/6064-31-0x0000000005A70000-0x0000000005DC4000-memory.dmp

          memory/6064-30-0x0000000005A00000-0x0000000005A66000-memory.dmp

          memory/6064-36-0x0000000006070000-0x000000000608E000-memory.dmp

          memory/6064-37-0x0000000006100000-0x000000000614C000-memory.dmp

          memory/6064-38-0x0000000006640000-0x0000000006672000-memory.dmp

          memory/6064-39-0x00000000708D0000-0x000000007091C000-memory.dmp

          memory/6064-49-0x0000000006620000-0x000000000663E000-memory.dmp

          memory/6064-50-0x0000000007240000-0x00000000072E3000-memory.dmp

          memory/6064-51-0x00000000079D0000-0x000000000804A000-memory.dmp

          memory/6064-29-0x0000000005990000-0x00000000059F6000-memory.dmp

          memory/6064-53-0x0000000007400000-0x000000000740A000-memory.dmp

          memory/6064-54-0x0000000007610000-0x00000000076A6000-memory.dmp

          memory/6064-55-0x0000000007590000-0x00000000075A1000-memory.dmp

          memory/6064-56-0x00000000075C0000-0x00000000075CE000-memory.dmp

          memory/6064-57-0x00000000075D0000-0x00000000075E4000-memory.dmp

          memory/6064-58-0x00000000076D0000-0x00000000076EA000-memory.dmp

          memory/6064-59-0x00000000076B0000-0x00000000076B8000-memory.dmp

          memory/6064-62-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/6064-22-0x0000000074EA0000-0x0000000075650000-memory.dmp

          memory/6064-20-0x0000000005190000-0x00000000057B8000-memory.dmp

          memory/6064-18-0x0000000004A90000-0x0000000004AC6000-memory.dmp

          memory/6064-19-0x0000000074EA0000-0x0000000075650000-memory.dmp