Analysis

  • max time kernel
    22s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 07:04

General

  • Target

    4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39.exe

  • Size

    283KB

  • MD5

    84354d3c9965d9a0878596e347a34f39

  • SHA1

    f8e6d9f00d72f6f023e8d793462b7bb90cc31583

  • SHA256

    4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

  • SHA512

    2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

  • SSDEEP

    6144:S6JmCTAAGH0Jd9KZxnLlIak8/nPIO02s9F8oBNvAd9GzKeXOvEO:7mCTAAkY905yagO0D0OAH4KNEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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://ignoracndwko.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

Signatures

  • Detect Vidar Stealer 16 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 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39.exe
    "C:\Users\Admin\AppData\Local\Temp\4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2924
    • 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:2720
      • C:\ProgramData\EBKEHJJDAA.exe
        "C:\ProgramData\EBKEHJJDAA.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2348
        • 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:2072
      • C:\ProgramData\AAEHIDAKEC.exe
        "C:\ProgramData\AAEHIDAKEC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1348
        • 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:1040
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBKJEGCBKKJE" & exit
        3⤵
          PID:3048
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:1688

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\AAEHIDAKEC.exe

      Filesize

      283KB

      MD5

      84354d3c9965d9a0878596e347a34f39

      SHA1

      f8e6d9f00d72f6f023e8d793462b7bb90cc31583

      SHA256

      4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

      SHA512

      2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

    • C:\ProgramData\EBKEHJJDAA.exe

      Filesize

      321KB

      MD5

      e318c6ab13d30b93d2d43bf5d2c31fe5

      SHA1

      2096056b203ea938312af04ce137353eac6a03d3

      SHA256

      f43e034a2bee82ed71caf1f838be515abef3bd8bb562bdae3d5abb4f194c492d

      SHA512

      bc0bfbdf77a6da47f67201f6a1f049072ff0bb1c289eccc739c07b49c4eafe3b9053d31671f08ffdb833ee469dfcab95374ed199267fab86f38e9db7d7fbce75

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

      Filesize

      342B

      MD5

      7097edd2e766885b6c96df14243160f6

      SHA1

      b7159e1327c87ec20ffb37fbec1241137ce652d4

      SHA256

      8127d223d6cfb05fd9d35359b7c715dcb9f92d71553e8547ea9ed362e9c09ec9

      SHA512

      e420f225d4da8e34c69e83722ea26a3e9bcb799e0ea5f58f7de66f1562f693beb91b8b99a901b5055fc34d8fe7f9fb9521b551136cad87a51cbb197f907e87bb

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

      Filesize

      342B

      MD5

      739813eb3b6865c8a039bbd9ebfd8926

      SHA1

      7a6b4991ea8664b3b2152ed9f79699fc388b7999

      SHA256

      a3b5b79134a14e22f42832ac2dfc29a510a5e02a4d190bb954cd0d5cba8ea915

      SHA512

      e1b20b7e09c8959bcfb2d0180ffe447e10b4987f0f3bfb68b69a4cb7e54d847ab473eb538e42c1b2cb3224720f95d000731a3b2f31b0587c4673fab0109e32bf

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\633SXO0D\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      827fad1fc768b6acb4847c06cc4ac9b6

      SHA1

      38c97bb238dd8aa3a65f29bccfd43e867681bdf4

      SHA256

      d47841134b5f6ba8a536a4308be6ebfc9b5b8899afd3bf7a0ab73a8e045278c6

      SHA512

      0a26e58da0febea5e1c34217fd2aa88b8e418c59bf31002d4a50bf96175af4144926de2f5d3104542b22189d614528475f811dfd4bd765d5e1b106c6e1a533e2

    • C:\Users\Admin\AppData\Local\Temp\Cab1AF2.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\Tar1B05.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \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/1040-706-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1040-687-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1040-725-0x0000000020230000-0x000000002048F000-memory.dmp

      Filesize

      2.4MB

    • memory/1348-539-0x0000000000120000-0x000000000016A000-memory.dmp

      Filesize

      296KB

    • memory/2072-513-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-516-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-512-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-511-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-510-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-509-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-518-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2072-521-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2348-520-0x0000000073450000-0x0000000073B3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2348-508-0x0000000073450000-0x0000000073B3E000-memory.dmp

      Filesize

      6.9MB

    • memory/2348-506-0x0000000000040000-0x0000000000094000-memory.dmp

      Filesize

      336KB

    • memory/2348-496-0x000000007345E000-0x000000007345F000-memory.dmp

      Filesize

      4KB

    • memory/2720-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-433-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-377-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-352-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-221-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-202-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-192-0x000000001DC50000-0x000000001DEAF000-memory.dmp

      Filesize

      2.4MB

    • memory/2720-172-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-153-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-16-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-14-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-414-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2720-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2720-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2924-12-0x0000000074B00000-0x00000000751EE000-memory.dmp

      Filesize

      6.9MB

    • memory/2924-1-0x0000000000150000-0x000000000019A000-memory.dmp

      Filesize

      296KB

    • memory/2924-0-0x0000000074B0E000-0x0000000074B0F000-memory.dmp

      Filesize

      4KB

    • memory/2924-19-0x0000000074B00000-0x00000000751EE000-memory.dmp

      Filesize

      6.9MB