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Analysis

  • max time kernel
    94s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 21 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
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 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 9 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 4 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 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 50 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:4400
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Checks computer location settings
      • 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:3860
      • C:\ProgramData\BAEBGCFIEH.exe
        "C:\ProgramData\BAEBGCFIEH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1756
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:616
          • C:\Program Files\Google\Chrome\Application\N54DVRSEEWJ5PH5R75IXD0.exe
            "C:\Program Files\Google\Chrome\Application\N54DVRSEEWJ5PH5R75IXD0.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1048
      • C:\ProgramData\FHJEGIIEGI.exe
        "C:\ProgramData\FHJEGIIEGI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2340
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4348
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3328
            • 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
              • Checks processor information in registry
              • Suspicious behavior: EnumeratesProcesses
              PID:4176
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBKFHCFBGIIJ" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4864
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:1912

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files\Google\Chrome\Application\N54DVRSEEWJ5PH5R75IXD0.exe

        Filesize

        63KB

        MD5

        0d5df43af2916f47d00c1573797c1a13

        SHA1

        230ab5559e806574d26b4c20847c368ed55483b0

        SHA256

        c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

        SHA512

        f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

      • C:\ProgramData\BAEBGCFIEH.exe

        Filesize

        338KB

        MD5

        7abd5004d90827227cb77ecebc6c0aba

        SHA1

        39c7f736d4041cb246b31d34f455460cdc3a071e

        SHA256

        13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

        SHA512

        7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

      • C:\ProgramData\FHJEGIIEGI.exe

        Filesize

        292KB

        MD5

        9d0327bd2962fd98512fb4ad5fc9ad19

        SHA1

        37fd2898d15b6e4e4be596c11120649e374a091b

        SHA256

        86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

        SHA512

        9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

      • C:\ProgramData\JDGCFBAFBFHJ\GDAAKF

        Filesize

        124KB

        MD5

        9618e15b04a4ddb39ed6c496575f6f95

        SHA1

        1c28f8750e5555776b3c80b187c5d15a443a7412

        SHA256

        a4cd72e529e60b5f74c50e4e5b159efaf80625f23534dd15a28203760b8b28ab

        SHA512

        f802582aa7510f6b950e3343b0560ffa9037c6d22373a6a33513637ab0f8e60ed23294a13ad8890935b02c64830b5232ba9f60d0c0fe90df02b5da30ecd7fa26

      • C:\ProgramData\JDGCFBAFBFHJ\JJECGH

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\JDGCFBAFBFHJ\JJECGH

        Filesize

        114KB

        MD5

        c3311360e96fcf6ea559c40a78ede854

        SHA1

        562ada1868020814b25b5dbbdbcb5a9feb9eb6ba

        SHA256

        9372c1ee21c8440368f6dd8f6c9aeda24f2067056050fab9d4e050a75437d75b

        SHA512

        fef308d10d04d9a3de7db431a9ab4a47dc120bfe0d7ae7db7e151802c426a46b00426b861e7e57ac4d6d21dde6289f278b2dbf903d4d1d6b117e77467ab9cf65

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

        Filesize

        2KB

        MD5

        d61c16c5dd12dce62b0311b4f5ae4702

        SHA1

        695352e746dbbf0d30b2ecd435c39e625f319b1a

        SHA256

        efdd18ad7b3d60cc9ee00dbcb26fe85b22096b21b10276bf70191da590252d07

        SHA512

        1b63567a9ea59457433aaaad1158fb5fd95b4b5bb88b5e099e38917206578556ead19accf0b1257db4a51c8f892fe3e91e1aed3353e0e66e5991315e92db62cf

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        Filesize

        2KB

        MD5

        e2e9309062d386d7fec2730d865be1b3

        SHA1

        30dbe40a07dd56429b70601ff35c954d78ee99b9

        SHA256

        01459ba654c52454a8dae37f078fffc280d3a13b55837fd82d05a9c902e88ebb

        SHA512

        46ec1842ed5b93bf5e2533ce2561b0035ff0beb8e5ce61ecb2ec7bdb13f54e38a7a44d258b6713deb5278b39a6cd8b8dff349d3a2a088f9f4014eed6262f6b63

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

        Filesize

        1KB

        MD5

        66a1250945d5954ccd7a7270c292cdfb

        SHA1

        eef0640046e6b10662d2b2ff6f419bffd911c727

        SHA256

        4b7cf758eb8582e21a9915f9710a9dc30050df83ddd1fd374c358bf5d0bd2897

        SHA512

        3ac2725dfefe50f6f6e96853c7f9f647c5fe1c7fc762c0e777770d0f89d4ac8fad0886ff1ffb6475fbc6307935a1068a5567b940789e892edec7eb4599e943b3

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

        Filesize

        458B

        MD5

        2ac51c13762cb284c7c0245b13b8a455

        SHA1

        496ffc53f980b5eb0bfdcdb4d0347c7ff1235524

        SHA256

        d3739e537c87403e9c625d7fac0430b1ae113e3e58f2a274521ca6723795144c

        SHA512

        bf9c7dd8a27afb20fea81b62640ab3b1ab4c31a90335d8455f91a87aa186cef6c4185caa527341699b7586c1e38ee80919064859a98ff9359bb5728034bc7f2b

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

        Filesize

        450B

        MD5

        fdad702ca819aaa4258042bd79f7effa

        SHA1

        e238645f2976601bd1ca82ea33abed95c109e651

        SHA256

        eb4e5835f9dd95eaf38f29172fedfa699ea897fead6b9d663cf17a6c4bfc1a4d

        SHA512

        0af18a397e74e5034fd2df818de326d33af09f0aa37aa19e24d9eb863aff2b48dce2193c07397232e1890364f2d166d28161160ad3ff846aa154600c232f3773

      • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

        Filesize

        458B

        MD5

        4716eead23e900f96204a7a7137b392e

        SHA1

        ae6a3c41e88da33659e0196f845c5de9511b3711

        SHA256

        d414daf9a77444de7cf54cb657316d39609d65287b1385e6bd567b1b2029b80d

        SHA512

        ce7a97d77a3a0761cad07e479f349edc5c4554b61109b562dd6b3c14f8f9095e8e60fd114c12b9e5796b94f2d307c9c9ebc35895cd1c4afa3291154d01538ef3

      • memory/616-138-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/616-134-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/616-144-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/1048-149-0x0000000000C50000-0x0000000000C62000-memory.dmp

        Filesize

        72KB

      • memory/1756-120-0x000000007229E000-0x000000007229F000-memory.dmp

        Filesize

        4KB

      • memory/1756-142-0x0000000072290000-0x0000000072A40000-memory.dmp

        Filesize

        7.7MB

      • memory/1756-122-0x0000000072290000-0x0000000072A40000-memory.dmp

        Filesize

        7.7MB

      • memory/1756-121-0x00000000008C0000-0x0000000000916000-memory.dmp

        Filesize

        344KB

      • memory/2340-148-0x0000000000460000-0x00000000004AA000-memory.dmp

        Filesize

        296KB

      • memory/3860-26-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-97-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-96-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-28-0x00000000224B0000-0x000000002270F000-memory.dmp

        Filesize

        2.4MB

      • memory/3860-43-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-60-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3860-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-166-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-181-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-198-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-154-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-197-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-152-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-165-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-156-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/4176-167-0x0000000022140000-0x000000002239F000-memory.dmp

        Filesize

        2.4MB

      • memory/4400-85-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4400-0-0x000000007534E000-0x000000007534F000-memory.dmp

        Filesize

        4KB

      • memory/4400-2-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4400-1-0x0000000000DF0000-0x0000000000E3A000-memory.dmp

        Filesize

        296KB

      • memory/4400-13-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB

      • memory/4400-12-0x0000000075340000-0x0000000075AF0000-memory.dmp

        Filesize

        7.7MB