Analysis

  • max time kernel
    24s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 01:09

General

  • Target

    3d9855fcc2f225022896fb91724692a925354adee0985c94e18db195fa7c08e1.exe

  • Size

    283KB

  • MD5

    e2cd52e91edffa873b4e1630684ea6c6

  • SHA1

    dcbb5971ecb7353062ed294f6d867da2bb179975

  • SHA256

    3d9855fcc2f225022896fb91724692a925354adee0985c94e18db195fa7c08e1

  • SHA512

    e59f885e6424860e6d0cfebc8e712f1929cbc029e63f49c22c3623af268c2c537089779cf06a1b91d355aac8c6c21aaf66db0044031d09d1fc88d0196fbfe7f6

  • SSDEEP

    6144:tFOUZ4uCh3Nc+8iakTqQ7G1fN6bSBvFIIv1vxklTXfRI4EBIGZ5EO:SUSuCj8iHjiNGkFfxxW64EBIGZ5EO

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 27 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 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d9855fcc2f225022896fb91724692a925354adee0985c94e18db195fa7c08e1.exe
    "C:\Users\Admin\AppData\Local\Temp\3d9855fcc2f225022896fb91724692a925354adee0985c94e18db195fa7c08e1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1392
    • 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:2244
      • C:\ProgramData\FCFBGIDAEH.exe
        "C:\ProgramData\FCFBGIDAEH.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1732
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1732 -s 556
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:828
      • C:\ProgramData\DAKJDAAFBK.exe
        "C:\ProgramData\DAKJDAAFBK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1692
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1616
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1688
            • 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:2060
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGHCBKKKFHCG" & exit
            3⤵
              PID:2112
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:2804

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\DAKJDAAFBK.exe

          Filesize

          283KB

          MD5

          ac7314c596e766b8f4f368579e2e0f8f

          SHA1

          0e4941e5e4299d04b9408194542c7362bcabcd2f

          SHA256

          be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

          SHA512

          4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

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

          Filesize

          471B

          MD5

          c1588d04597ff6ef2986ff7e8c236fd9

          SHA1

          d433792785b9cf2ea6f4a0cf52811e3e8ba0c51e

          SHA256

          48655dcd73a09d4eb2c2e4fa394016d6776b819ba5a3ff1472ff7fccb1c46066

          SHA512

          306801673868b2a7e2bc9884f9d9a9735cd878de888536dfa26faec0a0dccc9d230ddbf2d98253c6cef2aef52384f8b4bd56b061c7148decbab33b3f649cc909

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          962bfd594ce7a3393f420ebebeb7f167

          SHA1

          b9f00ac19d5f8debda55da705f36de0ba17055ef

          SHA256

          a03ab49496d19b60e62896a4f04a36dfcb2da862d90f4e68d0d54c2d2acb9661

          SHA512

          8b208a37db8d6055cc03d76e738829051b18398087656ddba8f64953305f0a01a63155c0d48bc00b5f428b8e273c033e7930f76a4c4de325148514f3718b87a4

        • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

          Filesize

          342B

          MD5

          462d238a2063d280338858642d75bd14

          SHA1

          732cfccbd2d1cd8ec687fa9feaefac75590406d4

          SHA256

          41279b5330c5ca51f88d64e2b03498eb94c46a71e75031debc30340686a89cbd

          SHA512

          f6199e774322b9a64d27136060f3e0ddbb2be54d2f75793670a7e024d349e17f823652f116d6bec7902d69a1806ce8d79f7b010a17539593e8aa8dc2517fd968

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

          Filesize

          400B

          MD5

          a9d60220f7fc35c3f99c079abe55d4aa

          SHA1

          41440935ab80d0fb6341733ed2fd6aeaf188c8ea

          SHA256

          eaf9a7ef7a72a13e11054f96c93d017a77db46bb0b9b6527e51c56553e33f31d

          SHA512

          3eb8116fa03ef459f9c6f5e4b5d81cef6eecacf7f7c0d36131d91489210b6366eede6e654ac8e7fb69f013c274c411273390b369cedb27b4c1963939633fe313

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\6XUZ2JLF\76561199768374681[1].htm

          Filesize

          33KB

          MD5

          45c63dc9c7976bb409ef4f57ca1d67dd

          SHA1

          b78a3ca9f50520dd085940b25b05a1edcf2dbb8b

          SHA256

          f603ecc031d90e746dbaefec50428b795a55cf77e8833e6716a2e33cc3239139

          SHA512

          6db46e578d87cd6844772df321a88223d5c0e62ea3c80df0df9a24e0ac532b940465ca81e044ca497d4efa0837d7abd1eb5c60fe57b78b3ac4951ac0671ef8d6

        • C:\Users\Admin\AppData\Local\Temp\Cab958D.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar95A0.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \ProgramData\FCFBGIDAEH.exe

          Filesize

          322KB

          MD5

          a5098dee7d78acfb0294523855906aad

          SHA1

          5f44ca3f038456d07f7702cf061e7dad0039a8fb

          SHA256

          b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

          SHA512

          b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

        • \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/1392-14-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/1392-0-0x0000000073F7E000-0x0000000073F7F000-memory.dmp

          Filesize

          4KB

        • memory/1392-1-0x0000000000B20000-0x0000000000B6A000-memory.dmp

          Filesize

          296KB

        • memory/1392-21-0x0000000073F70000-0x000000007465E000-memory.dmp

          Filesize

          6.9MB

        • memory/1692-533-0x00000000011F0000-0x000000000123A000-memory.dmp

          Filesize

          296KB

        • memory/1732-682-0x000000007288E000-0x000000007288F000-memory.dmp

          Filesize

          4KB

        • memory/1732-497-0x0000000000BC0000-0x0000000000C14000-memory.dmp

          Filesize

          336KB

        • memory/1732-496-0x000000007288E000-0x000000007288F000-memory.dmp

          Filesize

          4KB

        • memory/2060-551-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-549-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-553-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-555-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-563-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-772-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-557-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-560-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-561-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-749-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-739-0x000000001DF10000-0x000000001E16F000-memory.dmp

          Filesize

          2.4MB

        • memory/2060-720-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2060-701-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-5-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-442-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-423-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-380-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-361-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-273-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-254-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-210-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-191-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-180-0x0000000020560000-0x00000000207BF000-memory.dmp

          Filesize

          2.4MB

        • memory/2244-161-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-595-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-3-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-7-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-9-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-10-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2244-13-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-18-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-22-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-16-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2244-8-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB