Analysis

  • max time kernel
    31s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-09-2024 12:08

General

  • Target

    file.exe

  • Size

    292KB

  • MD5

    ad31361e15557683381bfeafda7fc981

  • SHA1

    0fa8a544b8c85e1337f1d7794c809c4c76690428

  • SHA256

    6c6ec35999113818b53305fdfd10b9afb24129d3299a06e2f8b4204f327ab98d

  • SHA512

    21aa9d918a6c884f6c4572e3b714b73c96b73fa69723181ec42966104644cd99689d7e75830d5f3a7b61400f7c21c20fec35a22672524e01e1091210bf9af8cb

  • SSDEEP

    6144:O5fP3M3itSVctOcalWs0q4Heb+J4ejNBN++lUjjHEO:O5fPc3itsIOcOyhNjNv++UjHEO

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 25 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 3 IoCs
  • Loads dropped DLL 11 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 3 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 9 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 8 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2356
      • 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:2364
        • C:\ProgramData\GDHIDHIEGI.exe
          "C:\ProgramData\GDHIDHIEGI.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • Loads dropped DLL
            • Drops file in Program Files directory
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1620
            • C:\Program Files\Google\Chrome\Application\EPG4KK7J0W1O2JXVFYI.exe
              "C:\Program Files\Google\Chrome\Application\EPG4KK7J0W1O2JXVFYI.exe"
              5⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              PID:2148
        • C:\ProgramData\GDAEBKJDHD.exe
          "C:\ProgramData\GDAEBKJDHD.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2556
          • 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
            • Modifies system certificate store
            • Suspicious behavior: EnumeratesProcesses
            PID:2768
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKKFIIEBKEGI" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          PID:1052
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2868

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Program Files\Google\Chrome\Application\EPG4KK7J0W1O2JXVFYI.exe

      Filesize

      63KB

      MD5

      b58b926c3574d28d5b7fdd2ca3ec30d5

      SHA1

      d260c4ffd603a9cfc057fcb83d678b1cecdf86f9

      SHA256

      6e70b56d748c4ccab13cc8a055d3795ea0dd95fe3b70568d7d3ac0c6621140a3

      SHA512

      b13cb998822b716b695013bcd6dec62a2290567d0d1743b2d982ca084235cf69c6ea1fc91c9d4e62657c6f9e102c7c60e81296ab055ffe43b887c5f8ec8958ab

    • C:\ProgramData\GDHIDHIEGI.exe

      Filesize

      338KB

      MD5

      7abd5004d90827227cb77ecebc6c0aba

      SHA1

      39c7f736d4041cb246b31d34f455460cdc3a071e

      SHA256

      13d8eb0461863ad7a6f2cd6c20133e6141b7ee60c2cfa16be07b050a1702b5ad

      SHA512

      7d95b29386c7a42da65be1888ce33d1e6e323da9e667cd72def869da3dfd60209b023d03e5258fcf52a71d7d2dd9a98e620cd1a44bc0e68da6d9567041a5e616

    • 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

      8198ef3d2c07c86cfb91fcf82f270dd9

      SHA1

      dc8f75c53bc93b97992628043c3491c7d20d81d5

      SHA256

      2bf6e07550454c184ac7019e6f15547f7f9f1954aa9306570befa9131def8ad0

      SHA512

      075fde3f8b21a1e5fd7e0f2e4c07681603f47d440800d54f3a80b34ab002f04066251068c099b12fee7c8ecf7b98431ae81c49ba4d1db1e37017385c43c32b1c

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

      Filesize

      342B

      MD5

      298bbd5c34d76d3eb1db06a8677c80da

      SHA1

      539f021a5d24e96548f7459cacda2e433019b5e5

      SHA256

      3cb87984f643c850bb0e224145b01c064036a07206062dd84c705a4efffc00c6

      SHA512

      7cd6edb68fbc0d5d3e7a9f8584656e52bafec48e6d08c3ffa11bde4895f46be1030d969b0c2babf96a6d766e2cf9dad865cf535479f29e63bc1a522969b737fd

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

      Filesize

      400B

      MD5

      7f059e7886db81b72b85ec8b373cf82e

      SHA1

      74f7f056805628d6d172cd90214c3575fda6d728

      SHA256

      d1e0801b588361e67ad4f47b852a9663944d1d07ee157fc173eb8125ce0a01f3

      SHA512

      7fe74e51e26cb434abba2bb1976f28976f35e1d32da8817c8c89b8e1f557bd40256d728420b9a98bd06dc6358a5b492032e328f52d6149400ec0b8d876ec96e0

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

      Filesize

      33KB

      MD5

      ee3da0308158a6a08b2ea44e8cdf16ee

      SHA1

      59f09304a58142d0b1de068e50b83d008f7dfcc4

      SHA256

      be2871cab1b10168eda2034aed4ef9ad4619a8736233e4794dc1f922b418b2db

      SHA512

      90c227ab3aae74c1c039d528651d91c724c22d89146a0b0d4eb113b54b47969e8aee796ac4ef835bb14d57292c19cf55aa3f199bced36736e4229221a3d5277b

    • C:\Users\Admin\AppData\Local\Temp\CabCF14.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarCF36.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\GDAEBKJDHD.exe

      Filesize

      292KB

      MD5

      9d0327bd2962fd98512fb4ad5fc9ad19

      SHA1

      37fd2898d15b6e4e4be596c11120649e374a091b

      SHA256

      86d1e9372127505a6200e134641390297bd255de3b742d874108cbf5670d3d9c

      SHA512

      9a768adcd08acc5766d2b7a46e1360c2a2551405248bf774bc736b196d902bbeee56e472bd8f94a8c993f54e6e2402a9a14d6131500cf7979b89ccdbdd6ecc15

    • \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/1620-579-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-586-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-581-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-577-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-594-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-578-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-584-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/1620-580-0x0000000000400000-0x0000000000459000-memory.dmp

      Filesize

      356KB

    • memory/2072-20-0x00000000748F0000-0x0000000074FDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2072-4-0x00000000748F0000-0x0000000074FDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2072-0-0x00000000748FE000-0x00000000748FF000-memory.dmp

      Filesize

      4KB

    • memory/2072-2-0x00000000748F0000-0x0000000074FDE000-memory.dmp

      Filesize

      6.9MB

    • memory/2072-1-0x0000000000150000-0x000000000019A000-memory.dmp

      Filesize

      296KB

    • memory/2148-597-0x0000000000B10000-0x0000000000B22000-memory.dmp

      Filesize

      72KB

    • memory/2156-556-0x000000007346E000-0x000000007346F000-memory.dmp

      Filesize

      4KB

    • memory/2156-555-0x00000000010C0000-0x0000000001116000-memory.dmp

      Filesize

      344KB

    • memory/2156-592-0x0000000073460000-0x0000000073B4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2156-595-0x0000000073460000-0x0000000073B4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2156-575-0x0000000073460000-0x0000000073B4E000-memory.dmp

      Filesize

      6.9MB

    • memory/2364-14-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-294-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-364-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-213-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-202-0x000000001A340000-0x000000001A59F000-memory.dmp

      Filesize

      2.4MB

    • memory/2364-448-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-201-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-164-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-672-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-12-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-13-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-383-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-429-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2364-232-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-17-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-22-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2364-21-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2556-624-0x00000000012E0000-0x000000000132A000-memory.dmp

      Filesize

      296KB

    • memory/2768-665-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2768-663-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-661-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-659-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-666-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-669-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-667-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-657-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-655-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-777-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-796-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2768-815-0x000000001DC40000-0x000000001DE9F000-memory.dmp

      Filesize

      2.4MB