Analysis

  • max time kernel
    39s
  • max time network
    127s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 01:49

General

  • Target

    4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39.exe

  • Size

    283KB

  • MD5

    84354d3c9965d9a0878596e347a34f39

  • SHA1

    f8e6d9f00d72f6f023e8d793462b7bb90cc31583

  • SHA256

    4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

  • SHA512

    2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

  • SSDEEP

    6144:S6JmCTAAGH0Jd9KZxnLlIak8/nPIO02s9F8oBNvAd9GzKeXOvEO:7mCTAAkY905yagO0D0OAH4KNEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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 16 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 2 IoCs
  • Loads dropped DLL 10 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
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 60 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39.exe
    "C:\Users\Admin\AppData\Local\Temp\4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2992
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2708
      • 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:1392
        • C:\ProgramData\BGDAAKJJDA.exe
          "C:\ProgramData\BGDAAKJJDA.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3048
          • 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
            • Suspicious use of WriteProcessMemory
            PID:2372
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2372 -s 256
              5⤵
              • Program crash
              PID:1008
        • C:\ProgramData\GDGDHJJDGH.exe
          "C:\ProgramData\GDGDHJJDGH.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1040
          • 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:1048
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IECBAFCAAKJD" & exit
          3⤵
            PID:2260
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:2640

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\FHIDAKFIJJKJ\IEHJDG

        Filesize

        92KB

        MD5

        e248975fcae2fff4649630d9421bd44e

        SHA1

        283f382e83b0767a0cd6b2d54bce3c1c315c60d6

        SHA256

        2e7470ccd25b6d7e9606f29643dbda3e3a4ef3f0575b2d074986c80cf8b148d2

        SHA512

        9bd5cf49a7773811d72be905cc8dfc2310f82899553c6f598a52b5dc261fc26191462855fdba8b3a83c8a317faed71a1a134df83f338c6c9442ee792cdf7428f

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

        Filesize

        342B

        MD5

        177b3e83d12cca54ee662d6cb19adbe4

        SHA1

        80324c93fd9c2e69b360baa94d70773d581ed795

        SHA256

        a0ae66c8ad572c3264fa0a2c70312f813b55e8ed4734aa68e8c7e9609a50d1f7

        SHA512

        de8ff9900af0c3313f0b81baa63b65cfa4f39eb7f16397f5f05339ebb91e77ab207e59e9c2dd050b51f9598b276d918a53bd09116ea9c436bd309ba4b0d0cc9f

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

        Filesize

        342B

        MD5

        7a17a222be1b7305fa9848dc52535707

        SHA1

        a61a3c37c34b213c09edbb24d24a3224435446df

        SHA256

        6ff83ddbd59bdcabbd7133c8d86fe12c1a99b31c40a7146d89d1babb052796d2

        SHA512

        0c68864a4d503d0205fbbdec03d8f0dec7a47e5047d18e874f6f2e2a81ff89730dd513a923f8b089cd59cb65b4588e8c2b4cf0335890204c01b69905d7cf7464

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

        Filesize

        33KB

        MD5

        812fb5e1efca6814d3eb368d82b5e986

        SHA1

        3b5644af4cd97c4f67cbf767e44749e63c2b6611

        SHA256

        41b75cf9bc7c86396cf49c77a25b352e986939d9de7f1ebf30d88e07fc0356fb

        SHA512

        e725fb39cdaf43b5aed4998f15d80c4dd262f6219214ddd6dfec709b796e669f3c0261a5413e4f71242a819b9169c90dfca7b4e214a2b70b28eb12be502a740a

      • C:\Users\Admin\AppData\Local\Temp\Cab9494.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar94F4.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • \ProgramData\BGDAAKJJDA.exe

        Filesize

        321KB

        MD5

        e318c6ab13d30b93d2d43bf5d2c31fe5

        SHA1

        2096056b203ea938312af04ce137353eac6a03d3

        SHA256

        f43e034a2bee82ed71caf1f838be515abef3bd8bb562bdae3d5abb4f194c492d

        SHA512

        bc0bfbdf77a6da47f67201f6a1f049072ff0bb1c289eccc739c07b49c4eafe3b9053d31671f08ffdb833ee469dfcab95374ed199267fab86f38e9db7d7fbce75

      • \ProgramData\GDGDHJJDGH.exe

        Filesize

        283KB

        MD5

        84354d3c9965d9a0878596e347a34f39

        SHA1

        f8e6d9f00d72f6f023e8d793462b7bb90cc31583

        SHA256

        4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

        SHA512

        2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

      • \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/1040-544-0x00000000000A0000-0x00000000000EA000-memory.dmp

        Filesize

        296KB

      • memory/1048-692-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1048-730-0x0000000017890000-0x0000000017AEF000-memory.dmp

        Filesize

        2.4MB

      • memory/1048-719-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1048-558-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1392-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-356-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-153-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-172-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-192-0x0000000020060000-0x00000000202BF000-memory.dmp

        Filesize

        2.4MB

      • memory/1392-206-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-227-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-6-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-3-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-375-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-418-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-437-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1392-11-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-16-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-14-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1392-5-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2372-500-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2372-498-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2372-495-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2372-506-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2372-496-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2372-504-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2372-494-0x0000000000400000-0x0000000000458000-memory.dmp

        Filesize

        352KB

      • memory/2992-19-0x00000000749B0000-0x000000007509E000-memory.dmp

        Filesize

        6.9MB

      • memory/2992-0-0x00000000749BE000-0x00000000749BF000-memory.dmp

        Filesize

        4KB

      • memory/2992-1-0x00000000009D0000-0x0000000000A1A000-memory.dmp

        Filesize

        296KB

      • memory/2992-13-0x00000000749B0000-0x000000007509E000-memory.dmp

        Filesize

        6.9MB

      • memory/3048-508-0x0000000072BE0000-0x00000000732CE000-memory.dmp

        Filesize

        6.9MB

      • memory/3048-491-0x0000000072BEE000-0x0000000072BEF000-memory.dmp

        Filesize

        4KB

      • memory/3048-492-0x0000000001130000-0x0000000001184000-memory.dmp

        Filesize

        336KB