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Analysis

  • max time kernel
    33s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17/09/2024, 01:30

General

  • Target

    be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe

  • Size

    283KB

  • MD5

    ac7314c596e766b8f4f368579e2e0f8f

  • SHA1

    0e4941e5e4299d04b9408194542c7362bcabcd2f

  • SHA256

    be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

  • SHA512

    4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

  • SSDEEP

    6144:DjacaEk/a7rOXYSjyZ6bNEl3ptRZjZLXksRKAylE//0Cw9EO:XzaEu2iZjyZ6b03ptRFZTFKu0CsEO

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 18 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 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe
    "C:\Users\Admin\AppData\Local\Temp\be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2256
    • 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:2764
      • C:\ProgramData\GDGIJECGDG.exe
        "C:\ProgramData\GDGIJECGDG.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 556
          4⤵
          • Loads dropped DLL
          • Program crash
          PID:3028
      • C:\ProgramData\JJKJDAEBFC.exe
        "C:\ProgramData\JJKJDAEBFC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1712
        • 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:1988
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KFBGDBFBKKJE" & exit
        3⤵
          PID:2272
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2772

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\KEBFBGDGHIIJ\GIJJKF

      Filesize

      148KB

      MD5

      90a1d4b55edf36fa8b4cc6974ed7d4c4

      SHA1

      aba1b8d0e05421e7df5982899f626211c3c4b5c1

      SHA256

      7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

      SHA512

      ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

    • 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

      65d041d9420dbd38552a4b5eab3dd637

      SHA1

      28f4728330eae083a83f4a73948c1424a56cc59f

      SHA256

      e2469a66826993f1a359c454561a597ff6520b13784838d1125b23b7a3a73ce9

      SHA512

      9ed481c7b50aae935d41491adc6358b71b104b61cb155e5572c012946ca81ab0cd65441f4b7f5d9de8076faebfeee037b66794c317423b8d7e2690b0a22bc0e3

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

      Filesize

      400B

      MD5

      007a3b965788a031f7521fdd97f0838f

      SHA1

      0cc066157f96652d82862786af79f762eb0714c1

      SHA256

      85b223ff39e89864e3d604fe6da8a19b8e51dce88bf86c824c4b9cd5fc193b9f

      SHA512

      c3df4a66a7e19fa033686001b121720b3866cb00a05fdd4a025418b3a24b0a8ed6d01aac09efd7a901837afbb7477f6bf5cbd12e6f0d11c8a258ab27e822c0e7

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\56KJ964X\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      2ce506a5654e3ccfad200d1bd615a44c

      SHA1

      4976c5c1dd1bc7901a993b8f1a13ab8c91613a07

      SHA256

      f507db252c1bdc3b42de37eecc5165c9b866f5aa5edc8dcad436e3968d391871

      SHA512

      918237998499008618f6e6ec2ea29978e00958d7c5f185c2d951c1b094ed7f6810fa9823adf3dc7e279d072d4c3d8af3985ca852b5412bf813b20c07b7693f16

    • C:\Users\Admin\AppData\Local\Temp\CabA102.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarA192.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\GDGIJECGDG.exe

      Filesize

      322KB

      MD5

      a5098dee7d78acfb0294523855906aad

      SHA1

      5f44ca3f038456d07f7702cf061e7dad0039a8fb

      SHA256

      b07e6681aedf25d80c36bb0cb362d3d9c22c17a42d03e42e0d2413ad1be1a4c2

      SHA512

      b962efb2830b82e3cb4e39e3bd09ae68211dc0842ebd3c497e9425fcdd8ffb6eb09ca29386bf80fe9487346979592cbbc0f14c71e81129faf5ffd6f544226552

    • \ProgramData\JJKJDAEBFC.exe

      Filesize

      283KB

      MD5

      ac7314c596e766b8f4f368579e2e0f8f

      SHA1

      0e4941e5e4299d04b9408194542c7362bcabcd2f

      SHA256

      be442a04bc031b4dc72835efeeeb025e9a103c8012382173965fba30bd3a96b9

      SHA512

      4258b6d15cd1c87d1787507f9132e5cf2caebfbf46dd055950dec8bb55faa094571d5b88cc58078adbab49f72fd3439f14ccae04de3d4bde672a540699a49428

    • \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/1712-549-0x0000000000FB0000-0x0000000000FFA000-memory.dmp

      Filesize

      296KB

    • memory/1988-770-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1988-751-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1988-737-0x000000001DBD0000-0x000000001DE2F000-memory.dmp

      Filesize

      2.4MB

    • memory/1988-718-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1988-699-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2136-495-0x00000000730EE000-0x00000000730EF000-memory.dmp

      Filesize

      4KB

    • memory/2136-608-0x00000000730EE000-0x00000000730EF000-memory.dmp

      Filesize

      4KB

    • memory/2136-496-0x00000000011E0000-0x0000000001234000-memory.dmp

      Filesize

      336KB

    • memory/2256-1-0x00000000012A0000-0x00000000012EA000-memory.dmp

      Filesize

      296KB

    • memory/2256-14-0x00000000748C0000-0x0000000074FAE000-memory.dmp

      Filesize

      6.9MB

    • memory/2256-0-0x00000000748CE000-0x00000000748CF000-memory.dmp

      Filesize

      4KB

    • memory/2764-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-441-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-379-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-360-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-16-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-422-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2764-236-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-210-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-196-0x0000000020270000-0x00000000204CF000-memory.dmp

      Filesize

      2.4MB

    • memory/2764-176-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-157-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2764-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB