Analysis

  • max time kernel
    134s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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.

  • 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 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⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3272
    • 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:4916
    • 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:2408

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\496ba3f23ddaf5c1514228f1ca90b1de4392a159eaac3ecbd5fbe3fbb28f819f.exe.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_oqhzg5v2.hmh.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2408-12-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2408-22-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/2408-63-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/2408-64-0x0000000006E50000-0x0000000007012000-memory.dmp

          Filesize

          1.8MB

        • memory/2408-65-0x0000000006CD0000-0x0000000006D20000-memory.dmp

          Filesize

          320KB

        • memory/2408-66-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/2408-16-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/3272-10-0x00000000051F0000-0x0000000005200000-memory.dmp

          Filesize

          64KB

        • memory/3272-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

          Filesize

          4KB

        • memory/3272-11-0x00000000061D0000-0x000000000625C000-memory.dmp

          Filesize

          560KB

        • memory/3272-9-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/3272-8-0x00000000748EE000-0x00000000748EF000-memory.dmp

          Filesize

          4KB

        • memory/3272-7-0x00000000051C0000-0x00000000051D2000-memory.dmp

          Filesize

          72KB

        • memory/3272-15-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/3272-6-0x0000000005100000-0x000000000519C000-memory.dmp

          Filesize

          624KB

        • memory/3272-5-0x0000000004EE0000-0x0000000004EEA000-memory.dmp

          Filesize

          40KB

        • memory/3272-4-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/3272-3-0x0000000004D30000-0x0000000004DC2000-memory.dmp

          Filesize

          584KB

        • memory/3272-2-0x0000000005240000-0x00000000057E4000-memory.dmp

          Filesize

          5.6MB

        • memory/3272-1-0x0000000000220000-0x00000000002D6000-memory.dmp

          Filesize

          728KB

        • memory/4916-23-0x0000000004F40000-0x0000000004F62000-memory.dmp

          Filesize

          136KB

        • memory/4916-53-0x0000000007290000-0x000000000729A000-memory.dmp

          Filesize

          40KB

        • memory/4916-24-0x0000000004FE0000-0x0000000005046000-memory.dmp

          Filesize

          408KB

        • memory/4916-21-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/4916-35-0x0000000005A70000-0x0000000005DC4000-memory.dmp

          Filesize

          3.3MB

        • memory/4916-36-0x0000000005EF0000-0x0000000005F0E000-memory.dmp

          Filesize

          120KB

        • memory/4916-37-0x0000000005F20000-0x0000000005F6C000-memory.dmp

          Filesize

          304KB

        • memory/4916-38-0x00000000064C0000-0x00000000064F2000-memory.dmp

          Filesize

          200KB

        • memory/4916-49-0x00000000070C0000-0x00000000070DE000-memory.dmp

          Filesize

          120KB

        • memory/4916-50-0x00000000070E0000-0x0000000007183000-memory.dmp

          Filesize

          652KB

        • memory/4916-39-0x00000000702F0000-0x000000007033C000-memory.dmp

          Filesize

          304KB

        • memory/4916-52-0x0000000007220000-0x000000000723A000-memory.dmp

          Filesize

          104KB

        • memory/4916-51-0x0000000007860000-0x0000000007EDA000-memory.dmp

          Filesize

          6.5MB

        • memory/4916-25-0x0000000005900000-0x0000000005966000-memory.dmp

          Filesize

          408KB

        • memory/4916-54-0x00000000074A0000-0x0000000007536000-memory.dmp

          Filesize

          600KB

        • memory/4916-55-0x0000000007420000-0x0000000007431000-memory.dmp

          Filesize

          68KB

        • memory/4916-57-0x0000000007460000-0x0000000007474000-memory.dmp

          Filesize

          80KB

        • memory/4916-56-0x0000000007450000-0x000000000745E000-memory.dmp

          Filesize

          56KB

        • memory/4916-58-0x0000000007560000-0x000000000757A000-memory.dmp

          Filesize

          104KB

        • memory/4916-59-0x0000000007540000-0x0000000007548000-memory.dmp

          Filesize

          32KB

        • memory/4916-62-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/4916-20-0x00000000051D0000-0x00000000057F8000-memory.dmp

          Filesize

          6.2MB

        • memory/4916-19-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/4916-18-0x00000000748E0000-0x0000000075090000-memory.dmp

          Filesize

          7.7MB

        • memory/4916-17-0x00000000025D0000-0x0000000002606000-memory.dmp

          Filesize

          216KB