Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    95s
  • max time network
    124s
  • 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, 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 17 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 2 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 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 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 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 32 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:4480
    • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:432
      • C:\ProgramData\HCFBFBAEBK.exe
        "C:\ProgramData\HCFBFBAEBK.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1504
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1504 -s 900
          4⤵
          • Program crash
          PID:2332
      • C:\ProgramData\IEBFIEBAFC.exe
        "C:\ProgramData\IEBFIEBAFC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3268
        • 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:1636
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBAEHCAEGDHJ" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:32
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1600
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1504 -ip 1504
    1⤵
      PID:2356

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\DBGHDGHCGHCA\GCAEHD

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\HCFBFBAEBK.exe

      Filesize

      322KB

      MD5

      a5098dee7d78acfb0294523855906aad

      SHA1

      5f44ca3f038456d07f7702cf061e7dad0039a8fb

      SHA256

      b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

      SHA512

      b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

    • C:\ProgramData\IEBFIEBAFC.exe

      Filesize

      283KB

      MD5

      ac7314c596e766b8f4f368579e2e0f8f

      SHA1

      0e4941e5e4299d04b9408194542c7362bcabcd2f

      SHA256

      be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

      SHA512

      4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

    • 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

      f3996f922326413e2e955f3774434d01

      SHA1

      a68789fa985ebfab0c61bbee12098e404288cded

      SHA256

      34a9640d4292dbc5d1fee85322b3c457eb2ee28284618a602ec936de9a104200

      SHA512

      34b7c1c1e5bdaa7da31887fce2b8069203922599824fd28e1db53cd0ebd343118c7899f56159eeb0500c96ca0ba4e9f28a6695f8032ca4acb4ee17204b746376

    • 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

      f6a38bbc7873fe19e3946b5105ba07ac

      SHA1

      92c6e30c0ac5e3bedd886bcfa2a99bd9c1a2c85c

      SHA256

      cd492ae77339f948e1aa800c798940a2f464948ca0584a9e388237c33b1d3064

      SHA512

      695c8d347007d41746d2c571e9c5b3307732a713742d4bc2a9df1f2fcea7a93e584e36bddda0623e99bf647af09022ee432e4840e0ab6027bb54ac304398077e

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

      Filesize

      458B

      MD5

      351e5e8fe886c06a9d7eeb1c489b696e

      SHA1

      b7df8512bd7e17089185d335a8a7687aeb2688a0

      SHA256

      8adadd662d3a71bcc79d62192bc1793d6ee98948dcb2ad384807795aee7d7a7a

      SHA512

      c3fc3d6e11ae59a8034a42ff5d12feb306fcd50a5437b31d21535f049d0d9802a20175274ec2399e9d9c305591f75ed975d666b1d0c90b351621494501b10236

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

      Filesize

      450B

      MD5

      a3e5d0adc6f574e82e51cdad1eee3db5

      SHA1

      3e8908cb3ce6f072b7d152107b92bd3640a231a3

      SHA256

      4439695d4f2523aa2c23dee68dd923bd1da710cc8384389c5103165b119dc440

      SHA512

      c30328fd739811f659888fa184627ab8df4d4dd6a9af90038aa37c0ff1de75b07e09d8adbd64c4e31a9d2f074a7e8c217c8e377e1f161d8957c565d73bb223aa

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

      Filesize

      458B

      MD5

      2d06339d463dcaaeb22418561e9a5476

      SHA1

      a1b68755d0596cc3aa127a78d68d89a9de202290

      SHA256

      dd624fd8432e0766646116f6250756ab450f5817fe682c099b936955c34081ff

      SHA512

      38baba30d6eb9c67648ee7698cc519d27ec2f2253035f947a86654d70919c1a99e4c3f19f28855a251df70efb6a9de6cec6b16dbee9fb10bc1e585a71b111bd1

    • memory/432-26-0x00000000220E0000-0x000000002233F000-memory.dmp

      Filesize

      2.4MB

    • memory/432-10-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-41-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-83-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-91-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-24-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/432-58-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1504-107-0x0000000000C20000-0x0000000000C74000-memory.dmp

      Filesize

      336KB

    • memory/1504-106-0x0000000071E5E000-0x0000000071E5F000-memory.dmp

      Filesize

      4KB

    • memory/1636-137-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1636-153-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1636-152-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1636-138-0x000000001FF30000-0x000000002018F000-memory.dmp

      Filesize

      2.4MB

    • memory/1636-136-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3268-121-0x0000000000940000-0x000000000098A000-memory.dmp

      Filesize

      296KB

    • memory/4480-2-0x0000000004F00000-0x00000000054A4000-memory.dmp

      Filesize

      5.6MB

    • memory/4480-7-0x00000000748E0000-0x0000000075090000-memory.dmp

      Filesize

      7.7MB

    • memory/4480-1-0x0000000000010000-0x000000000005A000-memory.dmp

      Filesize

      296KB

    • memory/4480-0-0x00000000748EE000-0x00000000748EF000-memory.dmp

      Filesize

      4KB