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Analysis

  • max time kernel
    148s
  • max time network
    154s
  • 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, 12:08

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    ad31361e15557683381bfeafda7fc981

  • SHA1

    0fa8a544b8c85e1337f1d7794c809c4c76690428

  • SHA256

    6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d

  • SHA512

    21aa9d918a6c884f6c4572e3b714b73c96b73fa69723181ec42966104644cd99689d7e75830d5f3a7b61400f7c21c20fec35a22672524e01e1091210bf9af8cb

  • SSDEEP

    6144:O5fP3M3itSVctOcalWs0q4Heb+J4ejNBN++lUjjHEO:O5fPc3itsIOcOyhNjNv++UjHEO

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 20 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 56 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:4892
    • 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:932
      • C:\ProgramData\IDBFHJDAAF.exe
        "C:\ProgramData\IDBFHJDAAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:844
        • 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:4876
          • C:\Program Files\Google\Chrome\Application\XYF6NW57WCZ94413JYH7VQ.exe
            "C:\Program Files\Google\Chrome\Application\XYF6NW57WCZ94413JYH7VQ.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:780
      • C:\ProgramData\DGDAEHCBGI.exe
        "C:\ProgramData\DGDAEHCBGI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2344
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1620
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:472
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:4412
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:396
                • 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:1232
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKKEBGCGHIDH" & exit
                3⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:1816
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • System Location Discovery: System Language Discovery
                  • Delays execution with timeout.exe
                  PID:1460

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Program Files\Google\Chrome\Application\XYF6NW57WCZ94413JYH7VQ.exe

            Filesize

            63KB

            MD5

            0d5df43af2916f47d00c1573797c1a13

            SHA1

            230ab5559e806574d26b4c20847c368ed55483b0

            SHA256

            c066aee7aa3aa83f763ebc5541daa266ed6c648fbffcde0d836a13b221bb2adc

            SHA512

            f96cf9e1890746b12daf839a6d0f16f062b72c1b8a40439f96583f242980f10f867720232a6fa0f7d4d7ac0a7a6143981a5a130d6417ea98b181447134c7cfe2

          • C:\ProgramData\DGDAEHCBGI.exe

            Filesize

            292KB

            MD5

            9d0327bd2962fd98512fb4ad5fc9ad19

            SHA1

            37fd2898d15b6e4e4be596c11120649e374a091b

            SHA256

            86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

            SHA512

            9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

          • C:\ProgramData\EGDBAFHJJDAK\IEHIII

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\IDBFHJDAAF.exe

            Filesize

            338KB

            MD5

            7abd5004d90827227cb77ecebc6c0aba

            SHA1

            39c7f736d4041cb246b31d34f455460cdc3a071e

            SHA256

            13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

            SHA512

            7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

          • 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

            38a037918f7f404b773fd9c18d956570

            SHA1

            e54a588eb65a1952c4490d6146c17ba88a72e5ad

            SHA256

            29aaa081146acc544f2d4c65838a49b39d969d5b4b5d0edbfd327edaf114d0b7

            SHA512

            e357126092976e108998b975bea974ada7cecf9e1567c83e644406d7707560513655e9d4812b1ee34cf08d18581a98d9726535c0603ffcd41d7163ae69f2f61d

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

            Filesize

            450B

            MD5

            251dd65e31658cfd48548796d913ea71

            SHA1

            76f4c3d17efa0078b98ec7054d155d35fbff915a

            SHA256

            0b26a278d90df054911faf0f939b843c32c6211fa56b7b5005aac8e0622ff149

            SHA512

            0e6eefee7dc7d96cbc5ed1ecb971834c58444570c13f2e2ce2d20efb742664d9ab6b85f566fc19a59298111d07f1b4cdae821e436966b33c3e042d31108fb8ad

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

            Filesize

            458B

            MD5

            cca85abe0205f5227319b0c2e7b0d908

            SHA1

            b27d62959f284ae817383b0254e5129257cb1263

            SHA256

            d9684aca7b9dce034c4cfdb85ee117572e015e116e9ff21525031a2b15cb649e

            SHA512

            fc36f21d55fe975f51ffda4ce02af1162efe7a4ed21fb9a07ffc1c428904f5bc94e6fbf8dada2fe8ca9c41e1d7c588f479c76380509b24ad82638f65dd603e49

          • memory/780-145-0x0000000000020000-0x0000000000032000-memory.dmp

            Filesize

            72KB

          • memory/844-118-0x0000000072BC0000-0x0000000073370000-memory.dmp

            Filesize

            7.7MB

          • memory/844-116-0x0000000072BCE000-0x0000000072BCF000-memory.dmp

            Filesize

            4KB

          • memory/844-127-0x0000000072BC0000-0x0000000073370000-memory.dmp

            Filesize

            7.7MB

          • memory/844-117-0x0000000000E80000-0x0000000000ED6000-memory.dmp

            Filesize

            344KB

          • memory/932-26-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-85-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-92-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-93-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-42-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-84-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-43-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-4-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-10-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-8-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-59-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-25-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/932-28-0x0000000020480000-0x00000000206DF000-memory.dmp

            Filesize

            2.4MB

          • memory/932-60-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-148-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-162-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-150-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-152-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-178-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-177-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1232-163-0x00000000225F0000-0x000000002284F000-memory.dmp

            Filesize

            2.4MB

          • memory/1232-161-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2344-144-0x0000000000240000-0x000000000028A000-memory.dmp

            Filesize

            296KB

          • memory/4876-123-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/4876-131-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/4876-120-0x0000000000400000-0x0000000000459000-memory.dmp

            Filesize

            356KB

          • memory/4892-13-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB

          • memory/4892-2-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB

          • memory/4892-1-0x0000000000AB0000-0x0000000000AFA000-memory.dmp

            Filesize

            296KB

          • memory/4892-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

            Filesize

            4KB

          • memory/4892-6-0x00000000748A0000-0x0000000075050000-memory.dmp

            Filesize

            7.7MB