Analysis

  • max time kernel
    95s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/12/2024, 05:10

General

  • Target
    89b55665c76315777e1f2a9a5be784fd2590b917388f657c6f5c2caa055e87c2.exe
  • Size 1.1MB
  • Sample241224-ft2rja1raw
  • SHA256 89b55665c76315777e1f2a9a5be784fd2590b917388f657c6f5c2caa055e87c2
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Vidar Stealer 4 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 14 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 39 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\89b55665c76315777e1f2a9a5be784fd2590b917388f657c6f5c2caa055e87c2.exe
    "C:\Users\Admin\AppData\Local\Temp\89b55665c76315777e1f2a9a5be784fd2590b917388f657c6f5c2caa055e87c2.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3228
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c move Forth Forth.cmd & Forth.cmd
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3132
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1264
      • C:\Windows\SysWOW64\findstr.exe
        findstr /I "opssvc wrsa"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4060
      • C:\Windows\SysWOW64\tasklist.exe
        tasklist
        3⤵
        • Enumerates processes with tasklist
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1724
      • C:\Windows\SysWOW64\findstr.exe
        findstr "AvastUI AVGUI bdservicehost nsWscSvc ekrn SophosHealth"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4168
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c md 623615
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2800
      • C:\Windows\SysWOW64\extrac32.exe
        extrac32 /Y /E Distances
        3⤵
        • System Location Discovery: System Language Discovery
        PID:860
      • C:\Windows\SysWOW64\findstr.exe
        findstr /V "Duck" Ix
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3984
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c copy /b ..\Loud + ..\Kenny + ..\Advisor + ..\Promotes f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2132
      • C:\Users\Admin\AppData\Local\Temp\623615\Wb.com
        Wb.com f
        3⤵
        • Checks computer location settings
        • Deletes itself
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of WriteProcessMemory
        PID:4692
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\623615\Wb.com" & rd /s /q "C:\ProgramData\R9Z5X4W47GVA" & exit
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1392
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1328
      • C:\Windows\SysWOW64\choice.exe
        choice /d y /t 5
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1796

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        Wb.com

        • Path C:\Users\Admin\AppData\Local\Temp\623615\Wb.com
        • Size 925KB
        • SHA256 1300262a9d6bb6fcbefc0d299cce194435790e70b9c7b4a651e202e90a32fd49
        • MD5 SHA1 SHA512 SSDEEP

        f

        • Path C:\Users\Admin\AppData\Local\Temp\623615\f
        • Size 290KB
        • SHA256 7d2d6b8d47b9ee4ade15bd0c992190554268f235c18b27ea8c213d474ad6f7d8
        • MD5 SHA1 SHA512 SSDEEP

        Advisor

        • Path C:\Users\Admin\AppData\Local\Temp\Advisor
        • Size 96KB
        • SHA256 d2e7128b474ac99272c683aaeee8a8f8bdc8638a28d7b5e769c2b894ebc45b31
        • MD5 SHA1 SHA512 SSDEEP

        Belt

        • Path C:\Users\Admin\AppData\Local\Temp\Belt
        • Size 61KB
        • SHA256 09ef3302b1439ce599d2aba0d63131a3c4dcbcba50a37abf97d700f120e5fcc1
        • MD5 SHA1 SHA512 SSDEEP

        Convergence

        • Path C:\Users\Admin\AppData\Local\Temp\Convergence
        • Size 64KB
        • SHA256 0f914bbe769aa4e7b0e26e0fa78714a7213050ef3907ccfa4a1488ce3b20df45
        • MD5 SHA1 SHA512 SSDEEP

        Distances

        • Path C:\Users\Admin\AppData\Local\Temp\Distances
        • Size 476KB
        • SHA256 d84347b22e026490edb739141cd5aee2e1a97ee6050e07b93df005a61ec29f6f
        • MD5 SHA1 SHA512 SSDEEP

        Ensures

        • Path C:\Users\Admin\AppData\Local\Temp\Ensures
        • Size 82KB
        • SHA256 d08694349bc677e90fe0d2e398d84022057b042c386d861273e6b7339f532249
        • MD5 SHA1 SHA512 SSDEEP

        Fitting

        • Path C:\Users\Admin\AppData\Local\Temp\Fitting
        • Size 86KB
        • SHA256 50d7f8da31679bb21dd88a973c03ea2d5da501f7b241a740bc1fa98c5b53ccbb
        • MD5 SHA1 SHA512 SSDEEP

        Forth

        • Path C:\Users\Admin\AppData\Local\Temp\Forth
        • Size 25KB
        • SHA256 b5f643db2b4dfc24718865707806f6dd22d9a54eae16a603c7feffe9d98b49ce
        • MD5 SHA1 SHA512 SSDEEP

        Gradually

        • Path C:\Users\Admin\AppData\Local\Temp\Gradually
        • Size 125KB
        • SHA256 0ff238b71b54c5f33f282ca1e5c3d448bdc37ad8e67ef818766eaf965ee39b8d
        • MD5 SHA1 SHA512 SSDEEP

        Improve

        • Path C:\Users\Admin\AppData\Local\Temp\Improve
        • Size 7KB
        • SHA256 f6d4c8ebb3c24d734f4888df2ceca12f2836bb999f58e78dcd05cff4b27c135b
        • MD5 SHA1 SHA512 SSDEEP

        Ix

        • Path C:\Users\Admin\AppData\Local\Temp\Ix
        • Size 1KB
        • SHA256 29b99f845b00ea87a7da8b57001bf0561d5c87ebdda8caefaa3248edd7c87dca
        • MD5 SHA1 SHA512

        Kenny

        • Path C:\Users\Admin\AppData\Local\Temp\Kenny
        • Size 75KB
        • SHA256 1629fda7c2acc6e2c91b128fcd713efc4282fe6ac169d3804f639c16957efff0
        • MD5 SHA1 SHA512 SSDEEP

        Loud

        • Path C:\Users\Admin\AppData\Local\Temp\Loud
        • Size 56KB
        • SHA256 3a479c5821fce8189ca2d04b48f7078f2266e8fd80e57ca4b6f4b9b2b724b26f
        • MD5 SHA1 SHA512 SSDEEP

        Malawi

        • Path C:\Users\Admin\AppData\Local\Temp\Malawi
        • Size 136KB
        • SHA256 b54a2ab660d285af9f9e829d97a7550b1640803c1bea965e747e92cb29a54ca3
        • MD5 SHA1 SHA512 SSDEEP

        Promotes

        • Path C:\Users\Admin\AppData\Local\Temp\Promotes
        • Size 63KB
        • SHA256 d96c4cc9b7c57e3999b16a9ce661208b6d7782c6d12d9b7054cf737a18765d11
        • MD5 SHA1 SHA512 SSDEEP

        Publicity

        • Path C:\Users\Admin\AppData\Local\Temp\Publicity
        • Size 86KB
        • SHA256 a42a43439f637db2cd812fcf086388808bbf5dd103e7e7d20590707d0c38597e
        • MD5 SHA1 SHA512 SSDEEP

        Trademarks

        • Path C:\Users\Admin\AppData\Local\Temp\Trademarks
        • Size 87KB
        • SHA256 738d4b9e1c15109b85d7f0a06748dcf4ec018a0ef4abe917552f59a84ae6c03d
        • MD5 SHA1 SHA512 SSDEEP

        Wal

        • Path C:\Users\Admin\AppData\Local\Temp\Wal
        • Size 119KB
        • SHA256 05f50ab0792f99e7d107ec120f436a093d94d97b75bcde861e19fa29f842c8f1
        • MD5 SHA1 SHA512 SSDEEP

        Wordpress

        • Path C:\Users\Admin\AppData\Local\Temp\Wordpress
        • Size 70KB
        • SHA256 6f2d36e5713cd1a319a8ce22171b16c95c9d0c3d7f75ff6a93e1ebdf19dc8977
        • MD5 SHA1 SHA512 SSDEEP

        memory/4692-68-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-69-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-70-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-73-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-72-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-71-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-80-0x0000000004450000-0x0000000004689000-memory.dmp

        memory/4692-81-0x0000000004450000-0x0000000004689000-memory.dmp