Analysis

  • max time kernel
    25s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-09-2024 06:34

General

  • Target

    16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.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 24 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\16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe
    "C:\Users\Admin\AppData\Local\Temp\16358e5cb11b110f739d10d61f23ae9107f01e3757f1c1bbc3f0e71b7404e579.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2824
    • 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:2124
      • C:\ProgramData\JDHCBAEHJJ.exe
        "C:\ProgramData\JDHCBAEHJJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1456
        • 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:620
          • C:\Program Files\Google\Chrome\Application\OEXCX3MVJROH39I1E.exe
            "C:\Program Files\Google\Chrome\Application\OEXCX3MVJROH39I1E.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:880
      • C:\ProgramData\AFBAFBKEGC.exe
        "C:\ProgramData\AFBAFBKEGC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1488
        • 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:2148
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HIIEGHJJDGHC" & exit
        3⤵
          PID:644
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:1232

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Google\Chrome\Application\OEXCX3MVJROH39I1E.exe

      Filesize

      63KB

      MD5

      b58b926c3574d28d5b7fdd2ca3ec30d5

      SHA1

      d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

      SHA256

      6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

      SHA512

      b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

    • C:\ProgramData\AFBAFBKEGC.exe

      Filesize

      292KB

      MD5

      9d0327bd2962fd98512fb4ad5fc9ad19

      SHA1

      37fd2898d15b6e4e4be596c11120649e374a091b

      SHA256

      86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

      SHA512

      9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

    • C:\ProgramData\JKJKKKJJJKJK\CGIDAA

      Filesize

      92KB

      MD5

      102841a614a648b375e94e751611b38f

      SHA1

      1368e0d6d73fa3cee946bdbf474f577afffe2a43

      SHA256

      c82ee2a0dc2518cb1771e07ce4b91f5ef763dd3dd006819aece867e82a139264

      SHA512

      ca18a888dca452c6b08ad9f14b4936eb9223346c45c96629c3ee4dd6742e947b6825662b42e793135e205af77ad35e6765ac6a2b42cefed94781b3463a811f0a

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

      Filesize

      471B

      MD5

      e95ee1ceb3f5e8781101a21d346ffd85

      SHA1

      148148ec2a2bb7b27cef8801fe9a9cbb5e56a9ac

      SHA256

      ef6bb74305ea90ea088ef6ee6496b23a37496a79ffd6d29645514664b586a22e

      SHA512

      c45314d57b8519efe8aa628b30f5b1f2792be7b36624121917f10452cb194e84b600246ab5f9820a4a3e5affe6da51c4ed6f8e627abe72b5836389b52e582e0b

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

      Filesize

      342B

      MD5

      935b8e3be18c65074e0d004be69d81e4

      SHA1

      15297370568510eca7dd6aec75b217827decafc0

      SHA256

      d4d3b8eca77cfda2c210dca5b68082ec6c5606384a30865928f05a9d9844e9a4

      SHA512

      2dc8d73281dfa550d686764b006e99ad0ae278855a4080ed1a8fc1094e6ae3ec8f4f98bdb048880fe8fed3c3e6ca10053985efa99d212f536fade68a2ea5782a

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

      Filesize

      342B

      MD5

      7d8d2139d3d5ee29db1716be70fe5dda

      SHA1

      0b7069db9562bbc0d854605bdd97110395147d4c

      SHA256

      0614eb8d28b247040b4b5dbdca3e1da198f88863f39559950fcdad9a56b5985b

      SHA512

      256cb77879714f6c2f7e6ed6d30df51c000eb21b1b4ecdafb105c259dc20ab5924de998dfdecd440910778c0cafad6e6cb75a83891631e6305f94da3462f3c5f

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

      Filesize

      400B

      MD5

      a5e82fdb713ccafcdf1d642e50e76bb3

      SHA1

      a5b4c8319557b476897325ee1a8ab576e1225b3e

      SHA256

      1e81fe4cb0a90c6e0cc50325d8f8945cfc7eadec037db2c6af1ec1ce95b04c88

      SHA512

      a5437b1e3ad4296b68584bcb2ac4ebbd0569f965f91a54139beb53cb6bfe45419e8b8ba7ce4c2d8031583858ee9b6d82d5f717f8b36085cb9004a31d35c17f26

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\AS91FDNI\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      3eac305cacbb36925da3e96221b532a8

      SHA1

      e33234f2cd4e7c8c5440cab90fef8710dd0262eb

      SHA256

      ca2213c2335277918697144a7baadc09aa1d478f8cbaae54b93f48dac89ce91f

      SHA512

      34ce62de1a042664cdf2c7013f9e6ac3ed3db1e614b16df47d4be263dd1216421781538585e256442f6bed424d79911a38a9564fb13da81e16bce0f9fc1cb41d

    • C:\Users\Admin\AppData\Local\Temp\Cab6808.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar682A.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\JDHCBAEHJJ.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/620-582-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-594-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-587-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-585-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-581-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-580-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-579-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/620-578-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/880-610-0x0000000000CA0000-0x0000000000CB2000-memory.dmp

      Filesize

      72KB

    • memory/1456-545-0x0000000000C50000-0x0000000000CA6000-memory.dmp

      Filesize

      344KB

    • memory/1456-546-0x0000000072780000-0x0000000072E6E000-memory.dmp

      Filesize

      6.9MB

    • memory/1456-596-0x0000000072780000-0x0000000072E6E000-memory.dmp

      Filesize

      6.9MB

    • memory/1456-593-0x0000000072780000-0x0000000072E6E000-memory.dmp

      Filesize

      6.9MB

    • memory/1456-544-0x000000007278E000-0x000000007278F000-memory.dmp

      Filesize

      4KB

    • memory/1488-612-0x00000000012C0000-0x000000000130A000-memory.dmp

      Filesize

      296KB

    • memory/2124-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2124-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-203-0x0000000020270000-0x00000000204CF000-memory.dmp

      Filesize

      2.4MB

    • memory/2124-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-426-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-183-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-383-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-164-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-364-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-213-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-20-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-348-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-17-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-22-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-445-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-232-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2124-669-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-634-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-774-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-642-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-640-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-638-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-636-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-645-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-648-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-646-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2148-793-0x000000001DFF0000-0x000000001E24F000-memory.dmp

      Filesize

      2.4MB

    • memory/2824-18-0x0000000073F40000-0x000000007462E000-memory.dmp

      Filesize

      6.9MB

    • memory/2824-2-0x0000000073F40000-0x000000007462E000-memory.dmp

      Filesize

      6.9MB

    • memory/2824-4-0x0000000073F40000-0x000000007462E000-memory.dmp

      Filesize

      6.9MB

    • memory/2824-0-0x0000000073F4E000-0x0000000073F4F000-memory.dmp

      Filesize

      4KB

    • memory/2824-1-0x0000000000150000-0x000000000019A000-memory.dmp

      Filesize

      296KB