Analysis

  • max time kernel
    21s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20/09/2024, 01:07

General

  • Target

    146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088.exe

  • Size

    292KB

  • MD5

    4a8a0ccfecc930091116324c79c1006e

  • SHA1

    d790befcbc31a4befafeaf08879e15f99633b2a1

  • SHA256

    146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

  • SHA512

    ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

  • SSDEEP

    6144:eOqbmw1o1lVPSPP0qoKQy7xfkx2mjou4sFlOpHS9oEO:dOX05KKcbsTiHS6EO

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 17 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 63 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088.exe
    "C:\Users\Admin\AppData\Local\Temp\146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2080
    • 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:2816
      • C:\ProgramData\BAKKEGCAAE.exe
        "C:\ProgramData\BAKKEGCAAE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2164
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:3004
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3012
            • 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:1240
          • C:\ProgramData\KKEBKJJDGH.exe
            "C:\ProgramData\KKEBKJJDGH.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⤵
              • System Location Discovery: System Language Discovery
              PID:2276
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKFCBAEHCAEG" & exit
            3⤵
              PID:1924
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:1256

        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

          1634888ded6b739520d4ce9eb29a51cf

          SHA1

          c81e584f0920b6b91e72ec8876a66294a19a6071

          SHA256

          e3416f8cfed42735f5a2a58423a4a83106a9dd5efc9a32f4b336921193f3dc84

          SHA512

          2bc458330c5d321c442ea022a6b275053c36659a2e6af68c182ce787548c043949889a5f2ca75e9900ead3917c6f735f1b275b05430cd0df7baa52c53cad4894

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

          Filesize

          400B

          MD5

          a2d50133f6b50f568e48d024358dd108

          SHA1

          c8992083455c5e83478ba623f3105e7bc5ee9148

          SHA256

          bf29e4389070cbe0f066fb5fd84e187a3b9afe23836f2e4f7ed701d174398852

          SHA512

          8d8a367193eee37a5f2e692bb0996d4acdb8675661174f38c29c55aeb8cc69195b7774fe26c0bf92928ae08f1a6950cf1e4bf49274d25a681c6ceb161e7f4805

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Q0WBLVJY\76561199768374681[1].htm

          Filesize

          33KB

          MD5

          9f32b55d3d1ed628a0fe8276d57dfcda

          SHA1

          0fff4368e643a4d88e23339ee12c2c4d88b99f8a

          SHA256

          11a6f057ff3328c503832cfc5ba9c0f78478f4c9581f812e2d4d32214683c636

          SHA512

          ef8d3a235c22bcadc2107e9816a33fd3485ce27b8f3171aa056e0b43b1bfc18bda7e5c3a7b39e3c1f289778e50e635204a2562c813280c079fbc6f5c48d21a99

        • C:\Users\Admin\AppData\Local\Temp\Cab279F.tmp

          Filesize

          70KB

          MD5

          49aebf8cbd62d92ac215b2923fb1b9f5

          SHA1

          1723be06719828dda65ad804298d0431f6aff976

          SHA256

          b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

          SHA512

          bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

        • C:\Users\Admin\AppData\Local\Temp\Tar27B1.tmp

          Filesize

          181KB

          MD5

          4ea6026cf93ec6338144661bf1202cd1

          SHA1

          a1dec9044f750ad887935a01430bf49322fbdcb7

          SHA256

          8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

          SHA512

          6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

        • \ProgramData\BAKKEGCAAE.exe

          Filesize

          354KB

          MD5

          384a847ad2833788fa253433fd2eea8d

          SHA1

          1984d8788fe40bd95a90d7d4e9dea6c4e4ff6201

          SHA256

          de30491736617249b3e80fc9436ecf0f7675b3c3014509398c3db7298f93336a

          SHA512

          bcdbd44837629d8881c29a7c7f6a2d4e98b52fbc49952bad2c89340a1dee18fac9987aaa8a3d91905a1f88a216c0e2501201a8665f3df7d5f627ff71a2418aac

        • \ProgramData\KKEBKJJDGH.exe

          Filesize

          292KB

          MD5

          4a8a0ccfecc930091116324c79c1006e

          SHA1

          d790befcbc31a4befafeaf08879e15f99633b2a1

          SHA256

          146b7006b041d25b6846c797234f38387ec4b141c4a7e4f100d0e6d2eda29088

          SHA512

          ffef04766c2a9f9d038ccf6156ac7f03a0e0809adaf245a1347e5ece6ad31f9b37f283d71d34c031350456f30036078d5a3e97fa563bf6af6a8fcf6edeeb25d2

        • \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/1240-556-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-559-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-548-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-572-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-569-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-550-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-554-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1240-552-0x0000000000400000-0x000000000045D000-memory.dmp

          Filesize

          372KB

        • memory/1692-537-0x00000000009F0000-0x0000000000A3A000-memory.dmp

          Filesize

          296KB

        • memory/2080-18-0x0000000074140000-0x000000007482E000-memory.dmp

          Filesize

          6.9MB

        • memory/2080-4-0x0000000074140000-0x000000007482E000-memory.dmp

          Filesize

          6.9MB

        • memory/2080-2-0x0000000074140000-0x000000007482E000-memory.dmp

          Filesize

          6.9MB

        • memory/2080-0-0x000000007414E000-0x000000007414F000-memory.dmp

          Filesize

          4KB

        • memory/2080-1-0x00000000012E0000-0x000000000132A000-memory.dmp

          Filesize

          296KB

        • memory/2164-499-0x000000007292E000-0x000000007292F000-memory.dmp

          Filesize

          4KB

        • memory/2164-500-0x0000000000D90000-0x0000000000DEA000-memory.dmp

          Filesize

          360KB

        • memory/2164-570-0x0000000072920000-0x000000007300E000-memory.dmp

          Filesize

          6.9MB

        • memory/2164-501-0x0000000072920000-0x000000007300E000-memory.dmp

          Filesize

          6.9MB

        • memory/2276-604-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2816-232-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-203-0x000000001DCE0000-0x000000001DF3F000-memory.dmp

          Filesize

          2.4MB

        • memory/2816-17-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-445-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-426-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-7-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-9-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-20-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-363-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-213-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-383-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-11-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-183-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-164-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-25-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-22-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-364-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-611-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-5-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-13-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-14-0x0000000000400000-0x0000000000657000-memory.dmp

          Filesize

          2.3MB

        • memory/2816-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB