Analysis

  • max time kernel
    24s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 06:35

General

  • Target

    7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe

  • Size

    283KB

  • MD5

    c252b6cf66b0de7e3b34c180bab3b0fa

  • SHA1

    cba15dad617651223885f6c032b65cd598dcce5c

  • SHA256

    7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5

  • SHA512

    95e7dd1377d0baebe0a7a22901dcfa77d4f562c88e88b0133c03edac36bc7b058522465c03ee792743022a20c639e306b1ecb25b3910650233ecbc6f281f3617

  • SSDEEP

    6144:cvwy7fw3QGweOG4JDGyBPkvqkyOYt4Bg9WoG5qEO:q37fAseOG4JqyBcyEYIKWZUEO

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 19 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 1 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 6 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe
    "C:\Users\Admin\AppData\Local\Temp\7fc6bc7f2cb710cf14da22c9e40b8407dbbe523ba7f8a91f8d67f5bce413d5c5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2792
    • 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:2284
      • C:\ProgramData\CGDBGCBGID.exe
        "C:\ProgramData\CGDBGCBGID.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2744
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2744 -s 560
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:856
      • C:\ProgramData\FBGHCGCAEB.exe
        "C:\ProgramData\FBGHCGCAEB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2532
        • 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:1212
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AFHJJEHIEBKK" & exit
        3⤵
          PID:2064
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:1528

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • 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

      19d6a4f2c48fa6f6ccdf25c63ec0e13a

      SHA1

      4b930ae4943d4c6968ca00eec65917e3c5f63776

      SHA256

      593d2787c1892dce2bc9d1b2cc7d932e0230afc115fee21fe93944228e0a788e

      SHA512

      f36f365de037551e674f038fdbbdd6a0fe8f46371bafc26ba6639197f558a091e896db458857f8ddabcc9077e250a3a0d922f64f23f9c23beea0f6ee16703a12

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

      Filesize

      400B

      MD5

      ca4deb345eb6e299aae55e12579adf3a

      SHA1

      de11ea0a5bf2bc9bbe96e4ee94dcf213745dff7c

      SHA256

      0a2726431ce2dffe5dd9bfa5de7b4e20a15733aac9764e62d328ebb18dbc2868

      SHA512

      768bc4da23388c3ce7d7631e77f1439c6685cfb6100f095a7d2046b0cb838ed97f71a8ca6010c0c95ee404bde72b78f6dcb98ef24589ec27f8854d6e6da1fe8d

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

      Filesize

      33KB

      MD5

      970198c9dc1ea1fadde2d75222c2d0ce

      SHA1

      0d3d4f7f6777926989a44d566318a9ee896e18d0

      SHA256

      56ebb4b4619179f6326d49f9d15979c5e3a26089ee3553fa5190f9a9f06174d4

      SHA512

      69ca26272be8b4e1f2c0ac75c468e979949cd3142f90434bb7a12004bffc3221d51c5c96a25d80aff5335a065887d2fe68e02422b390bf201f20c960ce942c82

    • C:\Users\Admin\AppData\Local\Temp\Cab91D6.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar91F8.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\CGDBGCBGID.exe

      Filesize

      322KB

      MD5

      a5098dee7d78acfb0294523855906aad

      SHA1

      5f44ca3f038456d07f7702cf061e7dad0039a8fb

      SHA256

      b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

      SHA512

      b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

    • \ProgramData\FBGHCGCAEB.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/1212-716-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1212-697-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1212-735-0x000000001DC90000-0x000000001DEEF000-memory.dmp

      Filesize

      2.4MB

    • memory/1212-745-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1212-764-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-198-0x0000000020440000-0x000000002069F000-memory.dmp

      Filesize

      2.4MB

    • memory/2284-208-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-227-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-159-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-358-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-383-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-420-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-439-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-15-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-18-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2284-178-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2284-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2532-539-0x0000000002520000-0x0000000004520000-memory.dmp

      Filesize

      32.0MB

    • memory/2532-530-0x0000000000F60000-0x0000000000FAA000-memory.dmp

      Filesize

      296KB

    • memory/2744-678-0x000000007301E000-0x000000007301F000-memory.dmp

      Filesize

      4KB

    • memory/2744-494-0x00000000008E0000-0x0000000000934000-memory.dmp

      Filesize

      336KB

    • memory/2744-493-0x000000007301E000-0x000000007301F000-memory.dmp

      Filesize

      4KB

    • memory/2792-0-0x00000000747DE000-0x00000000747DF000-memory.dmp

      Filesize

      4KB

    • memory/2792-16-0x00000000747D0000-0x0000000074EBE000-memory.dmp

      Filesize

      6.9MB

    • memory/2792-1-0x0000000000070000-0x00000000000BA000-memory.dmp

      Filesize

      296KB