Analysis

  • max time kernel
    127s
  • max time network
    140s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2024 03:55

General

  • Target

    b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe

  • Size

    885KB

  • MD5

    0eff2e486b1c46cbf55bc4284355f1ee

  • SHA1

    f9a921a9ef66c0c1c0fcd6fe02aafc8461f05691

  • SHA256

    b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a

  • SHA512

    b52122ca5444d606775d7426b7e19bd3090a89c486585c88b33b9fd57a7d87f0e591b7395b538646d93f2d9463d21f281ea5a4a57afb8c12a66d067dc0e3b20b

  • SSDEEP

    24576:t2xjaLCnYnbUX2bWOTk7k86ht45oS93GyIrKa:ADnYi6WMlxtxS93GNrK

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 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
    "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.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:3540
    • 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\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1368
    • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
      "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
      2⤵
        PID:1264
      • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
        "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
        2⤵
          PID:4788
        • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
          "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
          2⤵
            PID:4040
          • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
            "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe"
            2⤵
              PID:2112
            • C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.exe
              "C:\Users\Admin\AppData\Local\Temp\b7bbe88d2daceef7fdbd706adbdf6532976f23916701739ee0987f77f36b980a.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:2892

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_42zmtjhv.irh.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/1368-36-0x0000000006DB0000-0x0000000006DE2000-memory.dmp

            Filesize

            200KB

          • memory/1368-54-0x0000000007340000-0x000000000734E000-memory.dmp

            Filesize

            56KB

          • memory/1368-47-0x00000000063D0000-0x00000000063EE000-memory.dmp

            Filesize

            120KB

          • memory/1368-55-0x0000000007350000-0x0000000007364000-memory.dmp

            Filesize

            80KB

          • memory/1368-15-0x0000000002500000-0x0000000002536000-memory.dmp

            Filesize

            216KB

          • memory/1368-53-0x0000000007310000-0x0000000007321000-memory.dmp

            Filesize

            68KB

          • memory/1368-52-0x0000000007390000-0x0000000007426000-memory.dmp

            Filesize

            600KB

          • memory/1368-17-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1368-50-0x0000000007110000-0x000000000712A000-memory.dmp

            Filesize

            104KB

          • memory/1368-49-0x0000000007760000-0x0000000007DDA000-memory.dmp

            Filesize

            6.5MB

          • memory/1368-48-0x0000000006DF0000-0x0000000006E93000-memory.dmp

            Filesize

            652KB

          • memory/1368-35-0x0000000006110000-0x000000000615C000-memory.dmp

            Filesize

            304KB

          • memory/1368-56-0x0000000007450000-0x000000000746A000-memory.dmp

            Filesize

            104KB

          • memory/1368-57-0x0000000007430000-0x0000000007438000-memory.dmp

            Filesize

            32KB

          • memory/1368-51-0x0000000007180000-0x000000000718A000-memory.dmp

            Filesize

            40KB

          • memory/1368-16-0x0000000004EC0000-0x00000000054E8000-memory.dmp

            Filesize

            6.2MB

          • memory/1368-19-0x0000000004D10000-0x0000000004D32000-memory.dmp

            Filesize

            136KB

          • memory/1368-21-0x00000000055F0000-0x0000000005656000-memory.dmp

            Filesize

            408KB

          • memory/1368-20-0x0000000004DB0000-0x0000000004E16000-memory.dmp

            Filesize

            408KB

          • memory/1368-18-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1368-60-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1368-37-0x0000000070B80000-0x0000000070BCC000-memory.dmp

            Filesize

            304KB

          • memory/1368-31-0x00000000057A0000-0x0000000005AF4000-memory.dmp

            Filesize

            3.3MB

          • memory/1368-33-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/1368-34-0x0000000005DE0000-0x0000000005DFE000-memory.dmp

            Filesize

            120KB

          • memory/2892-11-0x0000000000400000-0x0000000000448000-memory.dmp

            Filesize

            288KB

          • memory/2892-32-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2892-63-0x0000000006980000-0x00000000069D0000-memory.dmp

            Filesize

            320KB

          • memory/2892-13-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/2892-62-0x0000000006B00000-0x0000000006CC2000-memory.dmp

            Filesize

            1.8MB

          • memory/2892-61-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3540-6-0x0000000005480000-0x000000000551C000-memory.dmp

            Filesize

            624KB

          • memory/3540-8-0x00000000750FE000-0x00000000750FF000-memory.dmp

            Filesize

            4KB

          • memory/3540-7-0x00000000056B0000-0x00000000056C8000-memory.dmp

            Filesize

            96KB

          • memory/3540-9-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3540-5-0x0000000005210000-0x000000000521A000-memory.dmp

            Filesize

            40KB

          • memory/3540-4-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB

          • memory/3540-3-0x0000000005230000-0x00000000052C2000-memory.dmp

            Filesize

            584KB

          • memory/3540-2-0x0000000005740000-0x0000000005CE4000-memory.dmp

            Filesize

            5.6MB

          • memory/3540-1-0x0000000000710000-0x00000000007F2000-memory.dmp

            Filesize

            904KB

          • memory/3540-10-0x0000000008550000-0x00000000085DE000-memory.dmp

            Filesize

            568KB

          • memory/3540-0-0x00000000750FE000-0x00000000750FF000-memory.dmp

            Filesize

            4KB

          • memory/3540-14-0x00000000750F0000-0x00000000758A0000-memory.dmp

            Filesize

            7.7MB