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Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/09/2024, 21:29

General

  • Target

    SecuriteInfo.com.Win32.MalwareX-gen.8690.29614.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 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.8690.29614.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.MalwareX-gen.8690.29614.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1772
    • 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:2544
      • C:\ProgramData\AFIEGIECGC.exe
        "C:\ProgramData\AFIEGIECGC.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 444 -s 876
          4⤵
          • Program crash
          PID:2092
      • C:\ProgramData\EGIDAAFIEH.exe
        "C:\ProgramData\EGIDAAFIEH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1808
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4160
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3872
            • 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:4468
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAKFIJDHJEGI" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4000
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:1216
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1772 -s 880
          2⤵
          • Program crash
          PID:2172
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1772 -ip 1772
        1⤵
          PID:4112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 444 -ip 444
          1⤵
            PID:2128

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\AFIEGIECGC.exe

            Filesize

            322KB

            MD5

            a5098dee7d78acfb0294523855906aad

            SHA1

            5f44ca3f038456d07f7702cf061e7dad0039a8fb

            SHA256

            b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

            SHA512

            b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

          • C:\ProgramData\CFCBFHJECAKE\HDAKJD

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\EGIDAAFIEH.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

            6c90d851b3d1eb1ed1a5f21a2ef46211

            SHA1

            9194dfcd69987e335527619f7d5a5d80f33d94e9

            SHA256

            867e4567d10c84551012b4811446ab49e215e3fabed46fafe39301218f64d914

            SHA512

            298420c710b369974d6f46bbbd9cd00b26b33382634b2938ea885c2c6bf8941398b4f5f8e38e82ffbd9913b23f096d650b59548ff7630a0cc5e49116bc54c0a2

          • 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

            ca36344f1dada17859f27e6f0b837f66

            SHA1

            3dcb58f3699480bbf7ccac6f52c0bc51b46c79db

            SHA256

            f8e0396305601b8f7b6338427e3b96c7b7e3f929441bbf3a52cc9b5735c46110

            SHA512

            5f778de36ad86ee12eb8eb5662be18c29024bc87ffd5f154aa876260a8a9303f62ae0f14ab87a2eeced250040ac65c8461062faf21da6f69dd6786b0a44faa6a

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

            Filesize

            450B

            MD5

            6840ea9896a794fd43551d9bb2f4ab9e

            SHA1

            a50b30b91092ed21c50387c82168df406165119b

            SHA256

            9ad9a4850a7c8c5867b007eefc9106abcfdb94f7b14153c748dc8a352b4c5ed5

            SHA512

            ffe92350da3eadb243add4ed9502b5163a8023c6dccb8dec23d09ab0ddec31d1afc59ee1bbbf664871fe643b7ff33a9c07c00a60e0fab9b59026c58d95c99c3d

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

            Filesize

            458B

            MD5

            279815b933bead83b676106262fea4df

            SHA1

            cdd939d40c61f4c1f1244521ff000dd8c877e4b0

            SHA256

            91a73b5087a6c41c8e903cb972fe52a2e11fe6f4be97e84b4423a8718db3690a

            SHA512

            6d22a4a59071c24ac82f730b62803466eb41db720c2a7706498b5f7a6746b7c5d34e68936ff85344ef42d1503807ecb6defa81069edd403ed6bd0f8c5f7c0d07

          • memory/444-108-0x0000000000B80000-0x0000000000BD4000-memory.dmp

            Filesize

            336KB

          • memory/444-107-0x000000007350E000-0x000000007350F000-memory.dmp

            Filesize

            4KB

          • memory/1772-10-0x00000000744F0000-0x0000000074CA0000-memory.dmp

            Filesize

            7.7MB

          • memory/1772-1-0x0000000000C80000-0x0000000000CCA000-memory.dmp

            Filesize

            296KB

          • memory/1772-0-0x00000000744FE000-0x00000000744FF000-memory.dmp

            Filesize

            4KB

          • memory/1772-19-0x00000000744F0000-0x0000000074CA0000-memory.dmp

            Filesize

            7.7MB

          • memory/1808-122-0x0000000000DD0000-0x0000000000E1A000-memory.dmp

            Filesize

            296KB

          • memory/1808-123-0x0000000005B80000-0x0000000006124000-memory.dmp

            Filesize

            5.6MB

          • memory/2544-42-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-59-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-84-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-25-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-3-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-26-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-93-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-28-0x0000000021CF0000-0x0000000021F4F000-memory.dmp

            Filesize

            2.4MB

          • memory/2544-5-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-7-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-85-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-60-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-92-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/2544-43-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-129-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-125-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-138-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-139-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-140-0x0000000020120000-0x000000002037F000-memory.dmp

            Filesize

            2.4MB

          • memory/4468-154-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-127-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/4468-155-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB