Analysis

  • max time kernel
    130s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 03:41

General

  • Target

    ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe

  • Size

    849KB

  • MD5

    713f024aac9038ce9e7fabae47d3ec59

  • SHA1

    8abccd671edd0a61c1717efdf19b8526de143c44

  • SHA256

    ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17

  • SHA512

    e01b8056e51e24d79e7ad46e3610d0c10524db8c7ef77f21fc8c4c1a4c607bf6c98b12315bf317c0a9d2dbe7da2a703ae7f833bcf473d14156e5c33f1edcb251

  • SSDEEP

    12288:pSMswy9EXX+iBUaXBNW2DYfNX4JLdhrtW10ate9uI1TAVv+xK8K7gKryr+G8VM:SwFOpuW2D2NX4L6ntSTA4ZkgKryr

Malware Config

Extracted

Family

vipkeylogger

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe
    "C:\Users\Admin\AppData\Local\Temp\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.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:2904
    • 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\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340
    • C:\Users\Admin\AppData\Local\Temp\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe
      "C:\Users\Admin\AppData\Local\Temp\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe"
      2⤵
        PID:1460
      • C:\Users\Admin\AppData\Local\Temp\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe
        "C:\Users\Admin\AppData\Local\Temp\ec0c57ee02c554f4d9120e583ae49741d7699f6e893434c6de082fd7cf504b17.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:996

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t2ch5mzk.g2s.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/996-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/996-66-0x0000000007330000-0x000000000785C000-memory.dmp

      Filesize

      5.2MB

    • memory/996-65-0x0000000006AD0000-0x0000000006B20000-memory.dmp

      Filesize

      320KB

    • memory/996-64-0x0000000006C30000-0x0000000006DF2000-memory.dmp

      Filesize

      1.8MB

    • memory/996-63-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/996-62-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/996-24-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/996-15-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2340-51-0x0000000006D60000-0x0000000006D7A000-memory.dmp

      Filesize

      104KB

    • memory/2340-37-0x0000000006A10000-0x0000000006A42000-memory.dmp

      Filesize

      200KB

    • memory/2340-61-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2340-58-0x0000000007080000-0x0000000007088000-memory.dmp

      Filesize

      32KB

    • memory/2340-14-0x0000000002120000-0x0000000002156000-memory.dmp

      Filesize

      216KB

    • memory/2340-57-0x00000000070A0000-0x00000000070BA000-memory.dmp

      Filesize

      104KB

    • memory/2340-17-0x0000000004BF0000-0x0000000005218000-memory.dmp

      Filesize

      6.2MB

    • memory/2340-56-0x0000000006FA0000-0x0000000006FB4000-memory.dmp

      Filesize

      80KB

    • memory/2340-18-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2340-22-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2340-21-0x0000000005320000-0x0000000005386000-memory.dmp

      Filesize

      408KB

    • memory/2340-20-0x0000000004B20000-0x0000000004B86000-memory.dmp

      Filesize

      408KB

    • memory/2340-55-0x0000000006F90000-0x0000000006F9E000-memory.dmp

      Filesize

      56KB

    • memory/2340-54-0x0000000006F60000-0x0000000006F71000-memory.dmp

      Filesize

      68KB

    • memory/2340-23-0x0000000005490000-0x00000000057E4000-memory.dmp

      Filesize

      3.3MB

    • memory/2340-19-0x0000000004980000-0x00000000049A2000-memory.dmp

      Filesize

      136KB

    • memory/2340-34-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2340-35-0x0000000005A40000-0x0000000005A5E000-memory.dmp

      Filesize

      120KB

    • memory/2340-36-0x0000000005A70000-0x0000000005ABC000-memory.dmp

      Filesize

      304KB

    • memory/2340-53-0x0000000006FE0000-0x0000000007076000-memory.dmp

      Filesize

      600KB

    • memory/2340-38-0x0000000070C50000-0x0000000070C9C000-memory.dmp

      Filesize

      304KB

    • memory/2340-48-0x0000000005FF0000-0x000000000600E000-memory.dmp

      Filesize

      120KB

    • memory/2340-49-0x0000000006C50000-0x0000000006CF3000-memory.dmp

      Filesize

      652KB

    • memory/2340-50-0x00000000073B0000-0x0000000007A2A000-memory.dmp

      Filesize

      6.5MB

    • memory/2340-52-0x0000000006DE0000-0x0000000006DEA000-memory.dmp

      Filesize

      40KB

    • memory/2904-9-0x000000007522E000-0x000000007522F000-memory.dmp

      Filesize

      4KB

    • memory/2904-10-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-6-0x00000000059B0000-0x00000000059BA000-memory.dmp

      Filesize

      40KB

    • memory/2904-7-0x0000000006400000-0x000000000649C000-memory.dmp

      Filesize

      624KB

    • memory/2904-8-0x0000000008630000-0x000000000864E000-memory.dmp

      Filesize

      120KB

    • memory/2904-16-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-0-0x000000007522E000-0x000000007522F000-memory.dmp

      Filesize

      4KB

    • memory/2904-11-0x00000000089D0000-0x0000000008A5E000-memory.dmp

      Filesize

      568KB

    • memory/2904-5-0x0000000075220000-0x00000000759D0000-memory.dmp

      Filesize

      7.7MB

    • memory/2904-4-0x00000000059D0000-0x0000000005D24000-memory.dmp

      Filesize

      3.3MB

    • memory/2904-3-0x0000000005740000-0x00000000057D2000-memory.dmp

      Filesize

      584KB

    • memory/2904-2-0x0000000005E50000-0x00000000063F4000-memory.dmp

      Filesize

      5.6MB

    • memory/2904-1-0x0000000000C40000-0x0000000000D1A000-memory.dmp

      Filesize

      872KB