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Analysis

  • max time kernel
    28s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/09/2024, 01:06

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 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 4 IoCs
  • Suspicious use of WriteProcessMemory 60 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:2848
    • 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:2748
      • C:\ProgramData\HDAAAAFIIJ.exe
        "C:\ProgramData\HDAAAAFIIJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1816
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:2100
          • 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:2332
            • C:\Program Files\Google\Chrome\Application\M17Z8YE3YXUQV16H.exe
              "C:\Program Files\Google\Chrome\Application\M17Z8YE3YXUQV16H.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:996
        • C:\ProgramData\JECAEHJJJK.exe
          "C:\ProgramData\JECAEHJJJK.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1584
          • 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:2420
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKECGHCFIJDA" & exit
          3⤵
            PID:816
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:468

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Program Files\Google\Chrome\Application\M17Z8YE3YXUQV16H.exe

        Filesize

        63KB

        MD5

        b58b926c3574d28d5b7fdd2ca3ec30d5

        SHA1

        d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

        SHA256

        6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

        SHA512

        b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

      • 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

        a89a5b72d1f04b4db3025764f2593975

        SHA1

        4ada8d988e4cec0eb8f72e6c3abda0017cdee95c

        SHA256

        b85e8e7b70d07f44ac9c1fdb4573271e9b8592c92a71159d7e48dec123e2ca0c

        SHA512

        6ddc169df8d4a58a2c543278bbfc098ce52cf95789c8a4adeb874bd83d7d20ba02beb62c87e20e09130d15f2f52f35fec3374f262b9e223903d90103382146e3

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

        Filesize

        342B

        MD5

        7e31aa76171516c98caa430ef1b1033f

        SHA1

        996cbea2e806c4e5da845cf4c484ad62ef12cc71

        SHA256

        c28b41054842a608a5c6e9959bfa2825f85e0d8b97496349c2c95282dee712bc

        SHA512

        c2a012523d65adec8eff779a932896bbf3e0be89c6eaa59cacb76b4024919cea7cb5f29602bf4eb3c2a3556fc867e22007c3e264591df552eb8810f4693b475f

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

        Filesize

        400B

        MD5

        445151f2847221905afc9b797c58134d

        SHA1

        d813f386ae922eb5616953c05c96b8a60b95b39c

        SHA256

        16c38684c95744b568c2473f4b2e8666d15e96e296ff688fec133f075da34e9e

        SHA512

        3b953cdf5d9a96ad03a5faea6f129c43bc33d0a15d8af148e8ce49d42da0dbe6c8d0d659cb57a2103268ac49eb9a819968069a2f7ce7dc47075d4657118a99a7

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DJB1KT77\76561199768374681[1].htm

        Filesize

        33KB

        MD5

        43804d5ffa894132798a07cb32087966

        SHA1

        cf3c544e8fe5d43aaf26506bb5cd4d1561f14cbe

        SHA256

        83a277ab28dfb9f4c711c6851c027ab1dec7fce333d28090246362cc5f590714

        SHA512

        c02887cf2267ae2263af4a38e0794159d1852c4b506f46e4964760b1abe256923b9c002b7ddc09183692c33a34139171fd2bb19b445bf9ce79b1e55f43cb1b61

      • C:\Users\Admin\AppData\Local\Temp\Cab6EFB.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\Tar6F1D.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • \ProgramData\HDAAAAFIIJ.exe

        Filesize

        338KB

        MD5

        7abd5004d90827227cb77ecebc6c0aba

        SHA1

        39c7f736d4041cb246b31d34f455460cdc3a071e

        SHA256

        13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

        SHA512

        7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

      • \ProgramData\JECAEHJJJK.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/996-590-0x00000000002F0000-0x0000000000302000-memory.dmp

        Filesize

        72KB

      • memory/1584-608-0x0000000000390000-0x00000000003DA000-memory.dmp

        Filesize

        296KB

      • memory/1816-585-0x0000000072E20000-0x000000007350E000-memory.dmp

        Filesize

        6.9MB

      • memory/1816-539-0x0000000000870000-0x00000000008C6000-memory.dmp

        Filesize

        344KB

      • memory/1816-538-0x0000000072E2E000-0x0000000072E2F000-memory.dmp

        Filesize

        4KB

      • memory/1816-540-0x0000000072E20000-0x000000007350E000-memory.dmp

        Filesize

        6.9MB

      • memory/1816-588-0x0000000072E20000-0x000000007350E000-memory.dmp

        Filesize

        6.9MB

      • memory/2332-573-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-568-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-570-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-579-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-586-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-572-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-577-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2332-574-0x0000000000400000-0x0000000000459000-memory.dmp

        Filesize

        356KB

      • memory/2420-660-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-644-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-807-0x00000000204A0000-0x00000000206FF000-memory.dmp

        Filesize

        2.4MB

      • memory/2420-788-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-769-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-641-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-647-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-649-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-653-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-662-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2420-639-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-13-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-178-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-159-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-6-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-439-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-420-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-15-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-18-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-208-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-227-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-4-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2748-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-377-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-358-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-198-0x0000000020410000-0x000000002066F000-memory.dmp

        Filesize

        2.4MB

      • memory/2748-5-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2748-10-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2848-2-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2848-1-0x0000000000BF0000-0x0000000000C3A000-memory.dmp

        Filesize

        296KB

      • memory/2848-16-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB

      • memory/2848-0-0x000000007460E000-0x000000007460F000-memory.dmp

        Filesize

        4KB

      • memory/2848-7-0x0000000074600000-0x0000000074CEE000-memory.dmp

        Filesize

        6.9MB