Analysis

  • max time kernel
    39s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 17:53

General

  • Target

    56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66.exe

  • Size

    283KB

  • MD5

    0d02e72a7fe2f6b2a120782b8a64c0a2

  • SHA1

    0957f0570c7e2f9d38e78664282762fc43964e0d

  • SHA256

    56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66

  • SHA512

    64bdcf43898f611bae1ad21aef5c26eb1c1434362544e4a734bbfa8b86f24032a5782498ea3dae9e1e144378a27ef47940ae6ea79e5918297e344181a93c5439

  • SSDEEP

    6144:PevsJRmJAvNCf3GIaWAlgO6dEkcsLOTvisCKsBPEO:PgGRmJUSGYAt6dEkcVTvlsBPEO

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 22 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 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66.exe
    "C:\Users\Admin\AppData\Local\Temp\56453e3c7fe50caac1128195b65d335e3c387c6ba251143f5c3419e6512d3b66.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2720
    • 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:2728
      • C:\ProgramData\FHCGHJDBFI.exe
        "C:\ProgramData\FHCGHJDBFI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1772
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1540
          • 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:2312
            • C:\Program Files\Google\Chrome\Application\Z4U3CXA1NIEUF.exe
              "C:\Program Files\Google\Chrome\Application\Z4U3CXA1NIEUF.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:2488
        • C:\ProgramData\IIEGHJJDGH.exe
          "C:\ProgramData\IIEGHJJDGH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2784
          • 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:748
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AKECBFBAEBKJ" & exit
          3⤵
            PID:2404
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:2892

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Google\Chrome\Application\Z4U3CXA1NIEUF.exe

        Filesize

        63KB

        MD5

        b58b926c3574d28d5b7fdd2ca3ec30d5

        SHA1

        d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

        SHA256

        6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

        SHA512

        b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

      • C:\ProgramData\FHCGHJDBFI.exe

        Filesize

        338KB

        MD5

        7abd5004d90827227cb77ecebc6c0aba

        SHA1

        39c7f736d4041cb246b31d34f455460cdc3a071e

        SHA256

        13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

        SHA512

        7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

      • C:\ProgramData\HCFIIIJJKJKF\CFBFCG

        Filesize

        148KB

        MD5

        90a1d4b55edf36fa8b4cc6974ed7d4c4

        SHA1

        aba1b8d0e05421e7df5982899f626211c3c4b5c1

        SHA256

        7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

        SHA512

        ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

      • C:\ProgramData\HCFIIIJJKJKF\GCBGCA

        Filesize

        92KB

        MD5

        e248975fcae2fff4649630d9421bd44e

        SHA1

        283f382e83b0767a0cd6b2d54bce3c1c315c60d6

        SHA256

        2e7470ccd25b6d7e9606f29643dbda3e3a4ef3f0575b2d074986c80cf8b148d2

        SHA512

        9bd5cf49a7773811d72be905cc8dfc2310f82899553c6f598a52b5dc261fc26191462855fdba8b3a83c8a317faed71a1a134df83f338c6c9442ee792cdf7428f

      • 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

        3ff47f5bfaa3549097f31d2aaa407125

        SHA1

        4fa20f4d866628fccb12e65c89e33c745c723711

        SHA256

        b28e199263bc72505c5914667f61ce6d57556bd77f774ec4145dd9862f7d5ec4

        SHA512

        31e6870d2f354f3389ccd5c3150ca9cf15b09d73be5898a9de580f73cda8586bbc2cfebb72b912aae1da94ca17cd1d5f976e211e45b029cf152faa0e8b057f38

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

        Filesize

        342B

        MD5

        8474bede04c88a1f4bbd4055f9526e44

        SHA1

        f99b2fa1a70e8372dee1710bc5b4d3cf054d562a

        SHA256

        bb2d9953b35b0dca89054bdbe95eba914e7dcd88f92237e875f52632d0bacef9

        SHA512

        6ac366dfc78381e639b145d6550672466fb1f5429c11e1c719fcf080a99563706c55f188753d056617ff277dd6e622cfb88f6c45ae42f890d80efa65ddfd7a48

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

        Filesize

        400B

        MD5

        297dd047c92d421b4a7b0a4a81ca4883

        SHA1

        1f4f023722ef9f21097871d15d4b8525da9a5857

        SHA256

        a52e29b630c5d61bef759a11727d35730fcf86bc6524b9d378eca6a8bb1bc996

        SHA512

        7392537cd516df6f72122b53512b1a9bfd7250f21505900089225757e0bf9c4ad79bd250e0b981af9a1bf313e8e44fb657071a34ff55d88e85f2273207ec98fe

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\56KJ964X\76561199768374681[1].htm

        Filesize

        33KB

        MD5

        40dd0f460d499dc4b88eeee00db1bddc

        SHA1

        b486c8ba34e777e8d64605e2dc5fb74834dfcd3b

        SHA256

        1bbe98ed8fd5ba2dba7bc35156f833e70256ec2ed61a412232cecd9aedbe330a

        SHA512

        578f4a2c075e71bdc93e17764ae0a6d6d24f763baa189bdda60aa0bdb55c954be7283a77fa2fd439f076096b0943ce3598ff4bc940bcb7e00db924d74656bf4b

      • C:\Users\Admin\AppData\Local\Temp\CabA0A5.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\TarA163.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • \ProgramData\IIEGHJJDGH.exe

        Filesize

        292KB

        MD5

        9d0327bd2962fd98512fb4ad5fc9ad19

        SHA1

        37fd2898d15b6e4e4be596c11120649e374a091b

        SHA256

        86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

        SHA512

        9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

      • \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/748-629-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-637-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-806-0x0000000020310000-0x000000002056F000-memory.dmp

        Filesize

        2.4MB

      • memory/748-805-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-768-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-641-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-633-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-635-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-640-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-643-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/748-631-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1772-561-0x0000000073220000-0x000000007390E000-memory.dmp

        Filesize

        6.9MB

      • memory/1772-580-0x0000000073220000-0x000000007390E000-memory.dmp

        Filesize

        6.9MB

      • memory/1772-541-0x000000007322E000-0x000000007322F000-memory.dmp

        Filesize

        4KB

      • memory/1772-540-0x0000000000C30000-0x0000000000C86000-memory.dmp

        Filesize

        344KB

      • memory/2312-572-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-579-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-574-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-587-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-573-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-571-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-570-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2312-577-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2488-589-0x0000000001380000-0x0000000001392000-memory.dmp

        Filesize

        72KB

      • memory/2720-1-0x0000000000F10000-0x0000000000F5A000-memory.dmp

        Filesize

        296KB

      • memory/2720-14-0x00000000746B0000-0x0000000074D9E000-memory.dmp

        Filesize

        6.9MB

      • memory/2720-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

        Filesize

        4KB

      • memory/2728-441-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-11-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-13-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-157-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-422-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-403-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-360-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-3-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-6-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-254-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-16-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2728-5-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-210-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-196-0x00000000201A0000-0x00000000203FF000-memory.dmp

        Filesize

        2.4MB

      • memory/2728-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2728-194-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2784-607-0x0000000000830000-0x000000000087A000-memory.dmp

        Filesize

        296KB