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Analysis

  • max time kernel
    79s
  • max time network
    141s
  • 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, 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 20 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 2 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\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:2376
    • 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:3128
      • C:\ProgramData\HJDHCFCBGI.exe
        "C:\ProgramData\HJDHCFCBGI.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:4496
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 876
          4⤵
          • Program crash
          PID:4976
      • C:\ProgramData\IJKKKFCFHC.exe
        "C:\ProgramData\IJKKKFCFHC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3868
        • 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:3168
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IJEHIDHDAKJD" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 884
      2⤵
      • Program crash
      PID:1480
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2376 -ip 2376
    1⤵
      PID:1004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4496 -ip 4496
      1⤵
        PID:1180

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\HIJJEGDBFIID\CBAFCA

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\HJDHCFCBGI.exe

        Filesize

        322KB

        MD5

        a5098dee7d78acfb0294523855906aad

        SHA1

        5f44ca3f038456d07f7702cf061e7dad0039a8fb

        SHA256

        b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

        SHA512

        b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

      • C:\ProgramData\IJKKKFCFHC.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

        17bc873e2a1ececdb96ba865079e2f7a

        SHA1

        a44455ae9199b8f0b798ffe8952d2ce2b3cdf335

        SHA256

        aaf3cca466c1452b3c1947aebea6107b1fba212c1cf9a0bcb2f7515b2a6cccea

        SHA512

        cc0b2d9cd308ec3b289e67f8041a633099a69705587fd042201a3d2badc3cebdf18a971997fb9c3148ee9a016385f4657f74029bc47770e61c1b2c0c63f4adac

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

        Filesize

        458B

        MD5

        29494281ce971e36ffbbc028f00954e2

        SHA1

        4d79b32e3717b863a28d416cb9975f35a7073fa8

        SHA256

        2f1aef3dc27acafa6d15376da863da8a8c7eb198f4e99c3f1e28fac398ebcc8d

        SHA512

        8a7bdb26e406665e532b4482abc06af5bca4d9912964eb8ed80c3ec0e35bbbdc987e1abd9969ba248722ff9fe22a6b3a1f5b2a10676e37850a27468877fcf402

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

        Filesize

        450B

        MD5

        5ae6a104727e415d8ccad42fb000db6b

        SHA1

        083c5f453199340cde322d84b9c757f216470be9

        SHA256

        298a9e9576e5825335d808ae928b593722675f4858affff73ac890a3afa0ed65

        SHA512

        b2905bc86a49eaf6b845171e26ac8bd1342ebc109128548847611b94ed6abbf6a36c052b60fe0ef7cb8a29aaea45855eb16cec9dba388d78a90b6ad8666b9f82

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

        Filesize

        458B

        MD5

        2eab6d3924364d9855d0fecc6128e9ab

        SHA1

        b79b328938c81e43523aba3e2885facae7817509

        SHA256

        4fb9c77b14d71daaccb6f663b395de5ae4ad03a146a1a5e29d9701e328132c57

        SHA512

        c3fe763e99bb75b4eb854036ebd0399c1e7ecc560bdf9d85954e793d45885cac99061d143b02d539fb7332033dba90b48c0a74441990a01fb3ab3da5d3600cc8

      • memory/2376-19-0x0000000074990000-0x0000000075140000-memory.dmp

        Filesize

        7.7MB

      • memory/2376-1-0x0000000000E50000-0x0000000000E9A000-memory.dmp

        Filesize

        296KB

      • memory/2376-0-0x000000007499E000-0x000000007499F000-memory.dmp

        Filesize

        4KB

      • memory/2376-10-0x0000000074990000-0x0000000075140000-memory.dmp

        Filesize

        7.7MB

      • memory/3128-3-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-43-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-85-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-92-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-93-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-25-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-42-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-5-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-26-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-27-0x0000000022680000-0x00000000228DF000-memory.dmp

        Filesize

        2.4MB

      • memory/3128-59-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-60-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3128-84-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-125-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-127-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-129-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-138-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-139-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-140-0x0000000022270000-0x00000000224CF000-memory.dmp

        Filesize

        2.4MB

      • memory/3168-154-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3168-155-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/3868-123-0x0000000005460000-0x0000000005A04000-memory.dmp

        Filesize

        5.6MB

      • memory/3868-122-0x00000000006A0000-0x00000000006EA000-memory.dmp

        Filesize

        296KB

      • memory/4496-108-0x0000000000C30000-0x0000000000C84000-memory.dmp

        Filesize

        336KB

      • memory/4496-107-0x00000000739AE000-0x00000000739AF000-memory.dmp

        Filesize

        4KB