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Analysis

  • max time kernel
    22s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/09/2024, 01:19

General

  • Target

    7f69b755604b2ba054290d816326a1f8f6ae1a10c460f1a94da936d017ebaac7.exe

  • Size

    283KB

  • MD5

    ad94d95684e998e00b4fb62806feec0f

  • SHA1

    e083a7fa2b3eaf930cb3eda5e4b6345bd516438f

  • SHA256

    7f69b755604b2ba054290d816326a1f8f6ae1a10c460f1a94da936d017ebaac7

  • SHA512

    7b4cd256a6205df6b007a5d47b07a34d80651df271742e2758fc225c0e3a6027674a7cb8bef7041680aba254a17eb531e0312b56ed4cd15084096bcf296903a2

  • SSDEEP

    6144:RQB/lK2qglRw5Mv2wGP3StkVwQHjSQdRCPCPO3216zEO:Rc8GPgecatkDKGIzEO

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 24 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 15 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 2 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 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 34 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f69b755604b2ba054290d816326a1f8f6ae1a10c460f1a94da936d017ebaac7.exe
    "C:\Users\Admin\AppData\Local\Temp\7f69b755604b2ba054290d816326a1f8f6ae1a10c460f1a94da936d017ebaac7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • 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:2644
      • C:\ProgramData\EBGCFBGCBF.exe
        "C:\ProgramData\EBGCFBGCBF.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2492
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 556
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:1604
      • C:\ProgramData\HDAFIIDAKJ.exe
        "C:\ProgramData\HDAFIIDAKJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2948
        • 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:1032
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKKKJJJKJKFH" & exit
        3⤵
          PID:2536
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3052 -s 556
        2⤵
        • Program crash
        PID:2332

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      342B

      MD5

      b748a44791a6310c42c4051a5500374b

      SHA1

      61d7454feb6689692f20247d193623c5c5161e76

      SHA256

      16d460f0f8b769ec87f2931ae08b3fbfa9c6d33e8ea6237b3ef9ae353908f484

      SHA512

      8e6507851aa04124a6779ea9f3302ff6818f6845ee282e24a6ea71b59002592ff98400f27364bd29dd8c8650c95066c550c4344549fd0fd4c360c603a91f4bf2

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Q0WBLVJY\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      31c7282b12ef229aa652179bbd2d76d3

      SHA1

      70960d12f3593f9fd6c6610da82e64ac7c21ac00

      SHA256

      0afdba4295fc1973c898b7578dc5c2afe6f9f674ceb8cc8db5f0b4aacc64a39c

      SHA512

      ba7d739ebde383926b8cbfbc2e964027dedb3365169bfc0fa37dc1c179810dc49d01a546a484cd32609a370fcc04515ddb099bc6f5fbe94568b365d2b2b7b2c0

    • C:\Users\Admin\AppData\Local\Temp\CabF00C.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarF01E.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\EBGCFBGCBF.exe

      Filesize

      322KB

      MD5

      a5098dee7d78acfb0294523855906aad

      SHA1

      5f44ca3f038456d07f7702cf061e7dad0039a8fb

      SHA256

      b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

      SHA512

      b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

    • \ProgramData\HDAFIIDAKJ.exe

      Filesize

      283KB

      MD5

      ac7314c596e766b8f4f368579e2e0f8f

      SHA1

      0e4941e5e4299d04b9408194542c7362bcabcd2f

      SHA256

      be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

      SHA512

      4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

    • \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/1032-572-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-578-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-580-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-568-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-706-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-725-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-774-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-576-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1032-577-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-574-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-570-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-566-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1032-745-0x0000000022A10000-0x0000000022C6F000-memory.dmp

      Filesize

      2.4MB

    • memory/1032-755-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2492-503-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/2492-744-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/2492-502-0x0000000000E60000-0x0000000000EB4000-memory.dmp

      Filesize

      336KB

    • memory/2644-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2644-215-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-448-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-386-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-367-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-429-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-234-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-200-0x0000000020460000-0x00000000206BF000-memory.dmp

      Filesize

      2.4MB

    • memory/2644-181-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-162-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-16-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-14-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2644-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2948-543-0x0000000000D20000-0x0000000000D6A000-memory.dmp

      Filesize

      296KB

    • memory/3052-7-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/3052-0-0x00000000741AE000-0x00000000741AF000-memory.dmp

      Filesize

      4KB

    • memory/3052-296-0x00000000741AE000-0x00000000741AF000-memory.dmp

      Filesize

      4KB

    • memory/3052-315-0x00000000741A0000-0x000000007488E000-memory.dmp

      Filesize

      6.9MB

    • memory/3052-1-0x00000000000D0000-0x000000000011A000-memory.dmp

      Filesize

      296KB