Analysis

  • max time kernel
    147s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21/08/2024, 07:46

General

  • Target

    496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.exe

  • Size

    720KB

  • MD5

    8457be7f4b6910dc68805dacb8009200

  • SHA1

    a25c63862fe75623c6e69659ee7ae803ec8659b9

  • SHA256

    496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f

  • SHA512

    6ec632c69a19e1d36371aff5664f3c7c266bfab2fa2b321c3db2bb2e47c42fc9f0c60ebb71b7d3087d54b270368efee0a869888a325aa3d3c8af482f16b482b0

  • SSDEEP

    12288:99idCwgqaVoubFq70FHSD+zBIyJ6Kk6qZkkWX6mcKnN6XYNLSJlAWQ6kR:99SC/qaSub/kD0lJ1k6+kkbmcKn2EWO

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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 2 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.exe
    "C:\Users\Admin\AppData\Local\Temp\496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3020
    • 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\496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2412
    • C:\Users\Admin\AppData\Local\Temp\496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.exe
      "C:\Users\Admin\AppData\Local\Temp\496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.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:3168

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gvl2fsug.r5n.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2412-49-0x00000000072E0000-0x00000000072FA000-memory.dmp

          Filesize

          104KB

        • memory/2412-37-0x0000000070F60000-0x0000000070FAC000-memory.dmp

          Filesize

          304KB

        • memory/2412-59-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/2412-56-0x0000000007620000-0x0000000007628000-memory.dmp

          Filesize

          32KB

        • memory/2412-55-0x0000000007630000-0x000000000764A000-memory.dmp

          Filesize

          104KB

        • memory/2412-54-0x0000000007530000-0x0000000007545000-memory.dmp

          Filesize

          84KB

        • memory/2412-53-0x0000000007520000-0x000000000752E000-memory.dmp

          Filesize

          56KB

        • memory/2412-52-0x00000000074F0000-0x0000000007501000-memory.dmp

          Filesize

          68KB

        • memory/2412-51-0x0000000007570000-0x0000000007606000-memory.dmp

          Filesize

          600KB

        • memory/2412-50-0x0000000007360000-0x000000000736A000-memory.dmp

          Filesize

          40KB

        • memory/2412-48-0x0000000007920000-0x0000000007F9A000-memory.dmp

          Filesize

          6.5MB

        • memory/2412-46-0x0000000006560000-0x000000000657E000-memory.dmp

          Filesize

          120KB

        • memory/2412-47-0x00000000071A0000-0x0000000007244000-memory.dmp

          Filesize

          656KB

        • memory/2412-34-0x0000000005F90000-0x0000000005FAE000-memory.dmp

          Filesize

          120KB

        • memory/2412-16-0x0000000004B00000-0x0000000004B36000-memory.dmp

          Filesize

          216KB

        • memory/2412-36-0x0000000006F60000-0x0000000006F94000-memory.dmp

          Filesize

          208KB

        • memory/2412-17-0x0000000005210000-0x000000000583A000-memory.dmp

          Filesize

          6.2MB

        • memory/2412-19-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/2412-20-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/2412-21-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/2412-28-0x0000000005840000-0x00000000058A6000-memory.dmp

          Filesize

          408KB

        • memory/2412-35-0x0000000006030000-0x000000000607C000-memory.dmp

          Filesize

          304KB

        • memory/2412-27-0x0000000005110000-0x0000000005132000-memory.dmp

          Filesize

          136KB

        • memory/2412-29-0x0000000005A60000-0x0000000005AC6000-memory.dmp

          Filesize

          408KB

        • memory/2412-33-0x0000000005AD0000-0x0000000005E27000-memory.dmp

          Filesize

          3.3MB

        • memory/3020-2-0x0000000005C00000-0x00000000061A6000-memory.dmp

          Filesize

          5.6MB

        • memory/3020-5-0x00000000058F0000-0x00000000058FA000-memory.dmp

          Filesize

          40KB

        • memory/3020-3-0x00000000056F0000-0x0000000005782000-memory.dmp

          Filesize

          584KB

        • memory/3020-15-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/3020-4-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/3020-1-0x0000000000B90000-0x0000000000C46000-memory.dmp

          Filesize

          728KB

        • memory/3020-11-0x0000000007290000-0x000000000731C000-memory.dmp

          Filesize

          560KB

        • memory/3020-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

          Filesize

          4KB

        • memory/3020-10-0x0000000007250000-0x0000000007260000-memory.dmp

          Filesize

          64KB

        • memory/3020-9-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/3020-8-0x00000000751AE000-0x00000000751AF000-memory.dmp

          Filesize

          4KB

        • memory/3020-7-0x0000000005BF0000-0x0000000005C02000-memory.dmp

          Filesize

          72KB

        • memory/3020-6-0x0000000005B10000-0x0000000005BAC000-memory.dmp

          Filesize

          624KB

        • memory/3168-12-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/3168-14-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/3168-18-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/3168-60-0x00000000751A0000-0x0000000075951000-memory.dmp

          Filesize

          7.7MB

        • memory/3168-61-0x0000000006DD0000-0x0000000006F92000-memory.dmp

          Filesize

          1.8MB

        • memory/3168-62-0x0000000006C70000-0x0000000006CC0000-memory.dmp

          Filesize

          320KB