Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-10-2024 21:57

General

  • Target

    46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe

  • Size

    413KB

  • MD5

    56452ff81a23bdcf4b7110ee2db1c080

  • SHA1

    d0e64ab1986a9756b7c40dde64b19928cde8732a

  • SHA256

    46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72

  • SHA512

    6848eb4079216d3ff9f561afc197535d5f9172b901f3ecc4d7fec3347b4d11af9d3df004ee7ba33fc19153bdf9a4125075e4257ed2a131370e660b2c2e1c6936

  • SSDEEP

    12288:kQ/QeGgqmEcF5P4PoRRS97ruM5uNNkmEO:WeGgqwF7R0yMg1t

Malware Config

Extracted

Family

vidar

Version

11

Botnet

c31fc52166fceff10179a6e978714ff9

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Extracted

Family

lumma

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.

  • Downloads MZ/PE file
  • Executes dropped EXE 1 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 3 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 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 54 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe
    "C:\Users\Admin\AppData\Local\Temp\46560017777262ece006c15a0b7887c1dcd331d61590f7a214e56d2ef3eb1f72N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1660
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2560
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:2664
        • 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:2668
          • C:\ProgramData\DHCAECGIEB.exe
            "C:\ProgramData\DHCAECGIEB.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2632
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:1696
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 52
              4⤵
              • Loads dropped DLL
              • Program crash
              PID:784
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAEGIDHDHIDG" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2948
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:816

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\CabFA96.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\TarFAB9.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • \ProgramData\DHCAECGIEB.exe

        Filesize

        548KB

        MD5

        3fb4a8def53df7777180f15d80b58c67

        SHA1

        9636394a400e2f8073d4bc54810ccece2863cfe4

        SHA256

        b9531ec0e9c23f11af6f6848e649cd59ab9e30c18c9727b8daed496bfa62f8e5

        SHA512

        331f3b03ca4adf4618ac2f298e4ca72c2141efa3c25070ae875c928e724bdfec921ab385645f54899bbf880715a62b3c355240558db7c25598130a949d4d1cd8

      • \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/1660-0-0x0000000074CAE000-0x0000000074CAF000-memory.dmp

        Filesize

        4KB

      • memory/1660-1-0x0000000000D50000-0x0000000000DB8000-memory.dmp

        Filesize

        416KB

      • memory/1660-2-0x0000000074CA0000-0x000000007538E000-memory.dmp

        Filesize

        6.9MB

      • memory/1660-4-0x0000000074CA0000-0x000000007538E000-memory.dmp

        Filesize

        6.9MB

      • memory/1660-22-0x0000000074CA0000-0x000000007538E000-memory.dmp

        Filesize

        6.9MB

      • memory/1696-516-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-520-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

      • memory/1696-521-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-523-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-524-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-519-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-518-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-517-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1696-515-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2632-514-0x0000000000E44000-0x0000000000E45000-memory.dmp

        Filesize

        4KB

      • memory/2668-17-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-7-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-230-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-201-0x00000000205B0000-0x000000002080F000-memory.dmp

        Filesize

        2.4MB

      • memory/2668-181-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-361-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-380-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-387-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-424-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-443-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-162-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-211-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-9-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-10-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-11-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2668-19-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-23-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-15-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-5-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-12-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2668-548-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB