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Analysis

  • max time kernel
    20s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/09/2024, 01:37

General

  • Target

    e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19.exe

  • Size

    283KB

  • MD5

    5c984dd83c65ae6b6f2d93a60ae40bfd

  • SHA1

    1ec1891c37d87fc565d93557a6b4d08da151badb

  • SHA256

    e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19

  • SHA512

    5f09ec740cd62c0ad5c94d53fbb8444e388ef4cf54ba4d12f1a7916048327ff3b9cd3d8cbd54d4678bacf178a93a35662b6ddf82c8049d199366ceac32c52ed9

  • SSDEEP

    6144:cf2UKkk1T+5pKHhU7mncSw2DND25SL3ttU3NAYTYsCmK0vEO:0juCeHe7mcMD25g3ttdSYsCpCEO

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 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 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 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19.exe
    "C:\Users\Admin\AppData\Local\Temp\e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1980
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2968
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:3000
        • 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:3016
          • C:\ProgramData\DGHIECGCBK.exe
            "C:\ProgramData\DGHIECGCBK.exe"
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1888
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1888 -s 556
              4⤵
              • Loads dropped DLL
              • Program crash
              PID:896
          • C:\ProgramData\KKJJEBFCGD.exe
            "C:\ProgramData\KKJJEBFCGD.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1628
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:1000
              • 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:1596
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJJKFBGCFHCG" & exit
              3⤵
                PID:2800
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • Delays execution with timeout.exe
                  PID:2296

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\DGHIECGCBK.exe

            Filesize

            322KB

            MD5

            a5098dee7d78acfb0294523855906aad

            SHA1

            5f44ca3f038456d07f7702cf061e7dad0039a8fb

            SHA256

            b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

            SHA512

            b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

          • C:\ProgramData\IEHDBAAFIDGD\IJKJDA

            Filesize

            92KB

            MD5

            5a11d4c52a76804780cbb414b2595bdb

            SHA1

            14c89a2283c41b10ce8f1576404e1541c04a8125

            SHA256

            e1b3260b2607c6a5fcf91575d1de278deceaf4e5f9f0530a3782c6d9567749d8

            SHA512

            0bffe811cbba5278d39e20b66a5c4770e3855d1f5cbd45161e8ad304b78da73f555a3c42a198378efab3dfc81f384fdaefc6cbb893a708c7e2649a89fdd11762

          • C:\ProgramData\KKJJEBFCGD.exe

            Filesize

            283KB

            MD5

            ac7314c596e766b8f4f368579e2e0f8f

            SHA1

            0e4941e5e4299d04b9408194542c7362bcabcd2f

            SHA256

            be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

            SHA512

            4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

          • 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

            3d14e2bf0253e173270918c720de17a6

            SHA1

            6a6ecc95e251b7bd841c71f26827e0dc625a7b4f

            SHA256

            508d902c25ff5ce2788f65ab112353d788dde5156aa5f74f3532a43f46e64afb

            SHA512

            be035cefcbcbc978045bbbd97dfeae90ecd999b2b5de669556c3ddfbb1e7532d9403dbfe21bfefdecc76701690413c5a27f1f64c19ae6ef39af32aba343b7f9b

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

            Filesize

            400B

            MD5

            c7f2b10117a6f1fd3b80311a277b0816

            SHA1

            91d50112f069dd555efbc5bf3fa77efa90015158

            SHA256

            0e483352ed9a8bfaeb5b148fbcc87311059bec235fafd6a673dbd9dccb3b8324

            SHA512

            5b281b1cf69aa59fd1c6c378aca952e1269e7ffa1b0446defe4271f0e988b09d58183ea88b7c669089f8b1156fb7ccd1cc3a248f7be66210255c53c59a9f1046

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\WCATT3E5\76561199768374681[1].htm

            Filesize

            33KB

            MD5

            68a76f5c258f3d5f55466b805ca0f17b

            SHA1

            b2dc10f9a2bbe5871db73e26eba8a9355960682c

            SHA256

            4914c02262fe1bc0f7f6586bbd984c4f970356c7dd0a0792840ce54b6fbf09c8

            SHA512

            8ecbd9abd93a22be278d13f745e5da7f0173906880e538a8b8b4a36c4ffd99161e7e6e6f02afef0e55724dfacd3e332981a5dc3277f1eb0a0bcdcb42f66d16bf

          • C:\Users\Admin\AppData\Local\Temp\CabE820.tmp

            Filesize

            70KB

            MD5

            49aebf8cbd62d92ac215b2923fb1b9f5

            SHA1

            1723be06719828dda65ad804298d0431f6aff976

            SHA256

            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

            SHA512

            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          • C:\Users\Admin\AppData\Local\Temp\TarE842.tmp

            Filesize

            181KB

            MD5

            4ea6026cf93ec6338144661bf1202cd1

            SHA1

            a1dec9044f750ad887935a01430bf49322fbdcb7

            SHA256

            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

            SHA512

            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

          • \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/1596-747-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-567-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-718-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-699-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-773-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-557-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-559-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-561-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-555-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-563-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-737-0x000000001DDF0000-0x000000001E04F000-memory.dmp

            Filesize

            2.4MB

          • memory/1596-566-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1596-569-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/1628-541-0x0000000000990000-0x00000000009DA000-memory.dmp

            Filesize

            296KB

          • memory/1888-504-0x000000007340E000-0x000000007340F000-memory.dmp

            Filesize

            4KB

          • memory/1888-506-0x0000000001350000-0x00000000013A4000-memory.dmp

            Filesize

            336KB

          • memory/1980-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

            Filesize

            4KB

          • memory/1980-17-0x0000000074BE0000-0x00000000752CE000-memory.dmp

            Filesize

            6.9MB

          • memory/1980-1-0x0000000000370000-0x00000000003BA000-memory.dmp

            Filesize

            296KB

          • memory/3016-6-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-442-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-423-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-380-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-361-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-230-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-211-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-197-0x0000000020410000-0x000000002066F000-memory.dmp

            Filesize

            2.4MB

          • memory/3016-177-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-158-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-9-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/3016-12-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-16-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-14-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-4-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-5-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-3-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB

          • memory/3016-8-0x0000000000400000-0x0000000000657000-memory.dmp

            Filesize

            2.3MB