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Analysis

  • max time kernel
    25s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 01:16

General

  • Target

    3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe

  • Size

    293KB

  • MD5

    849e7d206dc382c53e6b1947f55e7ada

  • SHA1

    82e990d981279f85c29e6bb0bcaff8f340685964

  • SHA256

    3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f

  • SHA512

    4c891fe3418ea839bf7b4610a5879432d83f5aad746aef3ceb5ff5c43e3ea01f0b0fcd820078f27a464c5e664dd62bc5bd73f1fbca519679cdf085143505d908

  • SSDEEP

    6144:+L3eSCmxdvcT6WUZJp1tQf+omj06nAP2mfAFyEO:sem/YU10KjAP2BFyEO

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

Extracted

Family

lumma

C2

https://questionmwq.shop/api

https://chickerkuso.shop/api

https://achievenmtynwjq.shop/api

https://puredoffustow.shop/api

https://opponnentduei.shop/api

https://metallygaricwo.shop/api

https://milldymarskwom.shop/api

https://quotamkdsdqo.shop/api

Signatures

  • Detect Vidar Stealer 22 IoCs
  • Lumma Stealer, LummaC

    Lumma or LummaC is an infostealer written in C++ first seen in August 2022.

  • 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 10 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
  • 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 6 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe
    "C:\Users\Admin\AppData\Local\Temp\3493ca80cb445940439578b4535ce772ced104d2de1c2ce35f203422d325508f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2980
    • 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:1672
      • C:\ProgramData\GHJEHJJDAA.exe
        "C:\ProgramData\GHJEHJJDAA.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1600
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:620
          • 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:2484
        • C:\ProgramData\FBKKJEBFID.exe
          "C:\ProgramData\FBKKJEBFID.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:572
          • 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:2148
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JECGIIIDAKJD" & exit
          3⤵
            PID:2316
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • Delays execution with timeout.exe
              PID:2920

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        471B

        MD5

        1bf7567ea937ea34d29232a5769d5a97

        SHA1

        7f47bee8fe870f10559ef6aac52fc36ea7a11423

        SHA256

        285c1527a907ee26dcd8bf431bc0f2825403ab764d1c9654924d988c33f349ee

        SHA512

        3c31d161d38693adafd1bef0cea854c55bb4c1ec592b40807533d4bdc12cbeb550671cbfd00a1fff8b8ff291ead2561ed47734972ff41c253be945f23c167bbe

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

        Filesize

        342B

        MD5

        8e4aa0dee419949fbc91ae0310b0fd93

        SHA1

        a177142d95e9b603f203085b333d97d6714fd814

        SHA256

        434edc5bfa172bca32593874604eaf48aa318c8c4c7aaa9f45a1c5ae4a8a65f2

        SHA512

        f36e2c6858f092fa29efbb12d6c0b3a4e836b044ff5c85d83ddf0507bd887561d7fb0acd151ef79cef96b487036eef43be4f8a201afbe443a1dca2d14f8044ca

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

        Filesize

        400B

        MD5

        9273d24cbb9d925d199602b1338de715

        SHA1

        f9b713fc23260e0d31ca5ba687195eb9458cdead

        SHA256

        67bd8ba56f9807e257f882708cc74d1cfa7a92539d85d3b62916016d98838430

        SHA512

        0172a6d429b585bd431f8f8b2045596e81345c754dc31993ec62d5a21a479b3ff836c4169b0c5ef0c0f6eb7d6bc6deda34105def3eb60296401d287e2f577f87

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

        Filesize

        33KB

        MD5

        a4d558437957c3c4176bd0bd6a249ac3

        SHA1

        c52bcb59f1ab5bda0b82ace1b653a513ed017375

        SHA256

        08e112ab9673de524bdee5402e1f7229ca41ea1f2bf09c86b9e908e00ebde5aa

        SHA512

        7054bb28695c79d47838d79da0ac43d64f159f2fb3ff464de110fd1af4ead46da6f7ba2a598395503115f4485d46a88da0a305670b08043554a932e1d7940b3a

      • C:\Users\Admin\AppData\Local\Temp\CabAD71.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\TarAD93.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • \ProgramData\FBKKJEBFID.exe

        Filesize

        292KB

        MD5

        4a8a0ccfecc930091116324c79c1006e

        SHA1

        d790befcbc31a4befafeaf08879e15f99633b2a1

        SHA256

        146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

        SHA512

        ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

      • \ProgramData\GHJEHJJDAA.exe

        Filesize

        354KB

        MD5

        384a847ad2833788fa253433fd2eea8d

        SHA1

        1984d8788fe40bd95a90d7d4e9dea6c4e4ff6201

        SHA256

        de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a

        SHA512

        bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac

      • \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/572-545-0x0000000000FD0000-0x000000000101A000-memory.dmp

        Filesize

        296KB

      • memory/1600-525-0x0000000072D70000-0x000000007345E000-memory.dmp

        Filesize

        6.9MB

      • memory/1600-495-0x0000000072D70000-0x000000007345E000-memory.dmp

        Filesize

        6.9MB

      • memory/1600-494-0x0000000001110000-0x000000000116A000-memory.dmp

        Filesize

        360KB

      • memory/1600-493-0x0000000072D7E000-0x0000000072D7F000-memory.dmp

        Filesize

        4KB

      • memory/1600-725-0x0000000072D70000-0x000000007345E000-memory.dmp

        Filesize

        6.9MB

      • memory/1672-7-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-15-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-178-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-197-0x0000000020300000-0x000000002055F000-memory.dmp

        Filesize

        2.4MB

      • memory/1672-208-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-227-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-6-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-5-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-358-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-377-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-420-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-439-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-8-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-9-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-10-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/1672-159-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-13-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/1672-17-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-582-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-584-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-745-0x0000000020350000-0x00000000205AF000-memory.dmp

        Filesize

        2.4MB

      • memory/2148-726-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-706-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-576-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-578-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-580-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-590-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-588-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2148-587-0x0000000000400000-0x0000000000657000-memory.dmp

        Filesize

        2.3MB

      • memory/2484-527-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-519-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-515-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-522-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-524-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-516-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-517-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2484-518-0x0000000000400000-0x000000000045D000-memory.dmp

        Filesize

        372KB

      • memory/2980-20-0x0000000074550000-0x0000000074C3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2980-0-0x000000007455E000-0x000000007455F000-memory.dmp

        Filesize

        4KB

      • memory/2980-4-0x0000000074550000-0x0000000074C3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2980-2-0x0000000074550000-0x0000000074C3E000-memory.dmp

        Filesize

        6.9MB

      • memory/2980-1-0x0000000000DD0000-0x0000000000E1A000-memory.dmp

        Filesize

        296KB