Analysis

  • max time kernel
    120s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/02/2025, 08:01

General

  • Target

    33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.exe

  • Size

    760KB

  • MD5

    dbc53deb1085f88b7baaa683353d6be5

  • SHA1

    0bea8e79dfe4e9ed6047f231251cebfc34ef5d5c

  • SHA256

    33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e

  • SHA512

    f33e676294628319690cbce196d55563cac2064167e1564dd7ba32b36fdbc4b5e283aea7881f7946fbec8b8311f1bdf16a25dfcf69bcb306f639b2a1c55d4896

  • SSDEEP

    12288:0BxgmmpFgv/kav5KneklnTpQK/fiWkNPnEHGZARW+uA:wkA1vtwTp9qbPEmZOF

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\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.exe
    "C:\Users\Admin\AppData\Local\Temp\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.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:3004
    • 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\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2608
    • C:\Users\Admin\AppData\Local\Temp\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.exe
      "C:\Users\Admin\AppData\Local\Temp\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.exe"
      2⤵
        PID:2352
      • C:\Users\Admin\AppData\Local\Temp\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.exe
        "C:\Users\Admin\AppData\Local\Temp\33edda25fb107ebce003c9c5cf3e58244ae9c75326894e8d7fe6181be11e493e.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:3860

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dddxeegt.4d2.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/2608-51-0x00000000078F0000-0x0000000007986000-memory.dmp

      Filesize

      600KB

    • memory/2608-50-0x00000000076E0000-0x00000000076EA000-memory.dmp

      Filesize

      40KB

    • memory/2608-59-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2608-56-0x0000000007990000-0x0000000007998000-memory.dmp

      Filesize

      32KB

    • memory/2608-55-0x00000000079B0000-0x00000000079CA000-memory.dmp

      Filesize

      104KB

    • memory/2608-54-0x00000000078B0000-0x00000000078C4000-memory.dmp

      Filesize

      80KB

    • memory/2608-53-0x00000000078A0000-0x00000000078AE000-memory.dmp

      Filesize

      56KB

    • memory/2608-52-0x0000000007870000-0x0000000007881000-memory.dmp

      Filesize

      68KB

    • memory/2608-22-0x0000000005D30000-0x0000000005D96000-memory.dmp

      Filesize

      408KB

    • memory/2608-49-0x0000000007670000-0x000000000768A000-memory.dmp

      Filesize

      104KB

    • memory/2608-48-0x0000000007CC0000-0x000000000833A000-memory.dmp

      Filesize

      6.5MB

    • memory/2608-47-0x0000000007320000-0x00000000073C3000-memory.dmp

      Filesize

      652KB

    • memory/2608-46-0x0000000006900000-0x000000000691E000-memory.dmp

      Filesize

      120KB

    • memory/2608-15-0x0000000004DC0000-0x0000000004DF6000-memory.dmp

      Filesize

      216KB

    • memory/2608-16-0x0000000005430000-0x0000000005A58000-memory.dmp

      Filesize

      6.2MB

    • memory/2608-17-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2608-18-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/2608-36-0x0000000070050000-0x000000007009C000-memory.dmp

      Filesize

      304KB

    • memory/2608-20-0x0000000005390000-0x00000000053B2000-memory.dmp

      Filesize

      136KB

    • memory/2608-21-0x0000000005C10000-0x0000000005C76000-memory.dmp

      Filesize

      408KB

    • memory/2608-35-0x0000000006920000-0x0000000006952000-memory.dmp

      Filesize

      200KB

    • memory/2608-23-0x0000000005DA0000-0x00000000060F4000-memory.dmp

      Filesize

      3.3MB

    • memory/2608-34-0x0000000006380000-0x00000000063CC000-memory.dmp

      Filesize

      304KB

    • memory/2608-33-0x0000000006350000-0x000000000636E000-memory.dmp

      Filesize

      120KB

    • memory/3004-5-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3004-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

      Filesize

      5.6MB

    • memory/3004-1-0x0000000000E20000-0x0000000000EE4000-memory.dmp

      Filesize

      784KB

    • memory/3004-14-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3004-9-0x00000000031B0000-0x000000000323E000-memory.dmp

      Filesize

      568KB

    • memory/3004-3-0x0000000005980000-0x0000000005A12000-memory.dmp

      Filesize

      584KB

    • memory/3004-10-0x000000000DDB0000-0x000000000DE4C000-memory.dmp

      Filesize

      624KB

    • memory/3004-0-0x000000007462E000-0x000000007462F000-memory.dmp

      Filesize

      4KB

    • memory/3004-4-0x00000000058D0000-0x00000000058DA000-memory.dmp

      Filesize

      40KB

    • memory/3004-6-0x0000000005F10000-0x0000000005F2E000-memory.dmp

      Filesize

      120KB

    • memory/3004-7-0x000000007462E000-0x000000007462F000-memory.dmp

      Filesize

      4KB

    • memory/3004-8-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-13-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-19-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/3860-60-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB

    • memory/3860-61-0x00000000069D0000-0x0000000006B92000-memory.dmp

      Filesize

      1.8MB

    • memory/3860-62-0x0000000006870000-0x00000000068C0000-memory.dmp

      Filesize

      320KB

    • memory/3860-63-0x0000000074620000-0x0000000074DD0000-memory.dmp

      Filesize

      7.7MB