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Analysis

  • max time kernel
    25s
  • max time network
    36s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/09/2024, 11:11

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    b9e09917fbda00f390cf009dc958051d

  • SHA1

    23baeca0d2a64746112d308c644f8daf6136a4bf

  • SHA256

    16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579

  • SHA512

    53494a6e257030aa8a6373aacdf2490e0f1432d3c6556f9c57161b38ce4ec6dfe2d2c7dec732d029de6dc5d81b876f1be3c18892cc3f9305d00e2a21594fdd21

  • SSDEEP

    6144:aVlTsl/ziXVssyKy0HwGRNorqJy++eMumaCHjJp7MuwnwqW0HE/JJM5EO:Eul/OXV1yKpHLlMuWT7MuhqWceOEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

  • Detect Vidar Stealer 25 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

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

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 11 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

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

  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 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 7 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
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:848
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2880
      • C:\ProgramData\IDGHDGIDAK.exe
        "C:\ProgramData\IDGHDGIDAK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1956
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • Loads dropped DLL
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1756
          • C:\Program Files\Google\Chrome\Application\FL39PTL82ZWTE8DA7FOW.exe
            "C:\Program Files\Google\Chrome\Application\FL39PTL82ZWTE8DA7FOW.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1036
      • C:\ProgramData\AEGHIJEHJD.exe
        "C:\ProgramData\AEGHIJEHJD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3068
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:788
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAEBKKKEHDHD" & exit
        3⤵
          PID:2648
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2664

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Google\Chrome\Application\FL39PTL82ZWTE8DA7FOW.exe

      Filesize

      63KB

      MD5

      b58b926c3574d28d5b7fdd2ca3ec30d5

      SHA1

      d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

      SHA256

      6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

      SHA512

      b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

      Filesize

      471B

      MD5

      a9a1372a0439df0204e4d41c403fa5f8

      SHA1

      c587388167e8347ba675ec5006699faeec23f488

      SHA256

      e26cfb5aee36722884618870d3516be88350fdc6683162d31ae8eb3c170febce

      SHA512

      52ae09aab02fbce6d88ad8a97f8ec73b99076ac32b8b7f6a3bbf35b6e631e2b7818dd3b7d88efa66987ad5475d01f414cb85963b8c3343a526d610f3c43a3c0c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      dbb40e67c14da94f0881aed79e7c30c7

      SHA1

      fdb9faa8a6c1e295e6c169ec858eb8e022b6144a

      SHA256

      354fd3389b469cba0e670412acf9a6cfb0f218343d3c7156349426a064356b79

      SHA512

      76ffb64ad16dcc32c94816ae383985ac32b70e6b63116e7caf1dbeaa78eeeabbb5c1d187e46f093a1d0db8a8e5c4c7982166539b9cdea04b398dde33303c742c

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      378aaff75c9134db2d21b53934f1f7bd

      SHA1

      ac09177deba343be381e87ea7e7907b800615a68

      SHA256

      521d6498db4b565aec8f0bc414f8df247301d556b7d52590c23b2156f41ca86f

      SHA512

      a43f7f8dccae5ead54493d78919e24fe4a9f645b6ef00b788e02be162f30a943245fad0cc1ca38fc5df6c2675ff01d86095b5a6afdb773cb7cb0345ca69f3889

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

      Filesize

      400B

      MD5

      b370d0eb13ad45294ae1f8ac91fbb0a4

      SHA1

      4f9335702a7e244e6b119257795e12b978d97554

      SHA256

      d84c59ca99318abf358a78a56c40f4ef699b8b3630b4bdf69fc5c117c96e68f0

      SHA512

      3960bf6c067d3f86216de2ad03499e99788f0925494762ab0fb3587ce8657c84c04267d0717216220054c47612ef9a4a8a36f7e9850d94da4f390f8acb9456fb

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\40WV1DY9\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      39704d57c7dc1406d0e7e614a251f5de

      SHA1

      3f51d7929826c867acdeb0218652950a091c896f

      SHA256

      d13b55364aed0a4beb6a1344fab550fae0f0e5c127c82154d6b304203ce4c14d

      SHA512

      4e0de47cb2926de6d46c6ad29f32978d23071ebdac180a7e3c98561d58d0ec63277742ed3967b7b05c292dc490328e0dd36c1fbc71e0002b5b1bad97930211a2

    • C:\Users\Admin\AppData\Local\Temp\CabF26C.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarF28E.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\AEGHIJEHJD.exe

      Filesize

      292KB

      MD5

      9d0327bd2962fd98512fb4ad5fc9ad19

      SHA1

      37fd2898d15b6e4e4be596c11120649e374a091b

      SHA256

      86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

      SHA512

      9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

    • \ProgramData\IDGHDGIDAK.exe

      Filesize

      338KB

      MD5

      7abd5004d90827227cb77ecebc6c0aba

      SHA1

      39c7f736d4041cb246b31d34f455460cdc3a071e

      SHA256

      13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

      SHA512

      7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

    • \ProgramData\mozglue.dll

      Filesize

      593KB

      MD5

      c8fd9be83bc728cc04beffafc2907fe9

      SHA1

      95ab9f701e0024cedfbd312bcfe4e726744c4f2e

      SHA256

      ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

      SHA512

      fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

    • \ProgramData\nss3.dll

      Filesize

      2.0MB

      MD5

      1cc453cdf74f31e4d913ff9c10acdde2

      SHA1

      6e85eae544d6e965f15fa5c39700fa7202f3aafe

      SHA256

      ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

      SHA512

      dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

    • memory/788-651-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-663-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-811-0x000000001DE90000-0x000000001E0EF000-memory.dmp

      Filesize

      2.4MB

    • memory/788-792-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-773-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-665-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-662-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-659-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-653-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-655-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/788-657-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/848-4-0x00000000746E0000-0x0000000074DCE000-memory.dmp

      Filesize

      6.9MB

    • memory/848-2-0x00000000746E0000-0x0000000074DCE000-memory.dmp

      Filesize

      6.9MB

    • memory/848-21-0x00000000746E0000-0x0000000074DCE000-memory.dmp

      Filesize

      6.9MB

    • memory/848-1-0x0000000001030000-0x000000000107A000-memory.dmp

      Filesize

      296KB

    • memory/848-0-0x00000000746EE000-0x00000000746EF000-memory.dmp

      Filesize

      4KB

    • memory/1036-592-0x0000000000FC0000-0x0000000000FD2000-memory.dmp

      Filesize

      72KB

    • memory/1756-577-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-574-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-589-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-582-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-580-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-573-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-576-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1756-575-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1956-543-0x00000000732FE000-0x00000000732FF000-memory.dmp

      Filesize

      4KB

    • memory/1956-544-0x0000000000FB0000-0x0000000001006000-memory.dmp

      Filesize

      344KB

    • memory/1956-561-0x00000000732F0000-0x00000000739DE000-memory.dmp

      Filesize

      6.9MB

    • memory/1956-593-0x00000000732F0000-0x00000000739DE000-memory.dmp

      Filesize

      6.9MB

    • memory/1956-588-0x00000000732F0000-0x00000000739DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2880-425-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-444-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-20-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-18-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-24-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-382-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-363-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-16-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2880-293-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-231-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-212-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-202-0x000000001E150000-0x000000001E3AF000-memory.dmp

      Filesize

      2.4MB

    • memory/2880-668-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-182-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-163-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2880-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3068-611-0x0000000001390000-0x00000000013DA000-memory.dmp

      Filesize

      296KB