Analysis

  • max time kernel
    95s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-10-2024 12:37

General

  • Target

    file.exe

  • Size

    580KB

  • MD5

    0dd02c48ff88cab7eb2129f72fb48a36

  • SHA1

    0e46168f7ebf6fc6130b07acb867e1f4e2f3c2e1

  • SHA256

    7636924a11e30d0ac5f8a2a7fb2b73416816565d059dbb0123324717eba828e2

  • SHA512

    116e53ae4158104601827e62e0b82d35ab7e8d60859eef79fb932e8ba77aef1a55dbcf8f0a81ab788915a683628ab39c61e10e3ef106310612822dd937bb47ed

  • SSDEEP

    12288:amCaBY9nY8vFbsnzdraM4eH9pQXcELgc0vE54D3kcBdIiKEO:caonYlraOQC94ckQWZt

Malware Config

Extracted

Family

vidar

C2

http://proxy.johnmccrea.com/

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 15 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 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Program crash 2 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 34 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:1372
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:3428
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1172
        • C:\ProgramData\KJDGDGDHDG.exe
          "C:\ProgramData\KJDGDGDHDG.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3524
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:4112
            • 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:3080
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3524 -s 264
              4⤵
              • Program crash
              PID:980
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HDBGHIDGDGHC" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3032
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:1312
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1372 -s 264
          2⤵
          • Program crash
          PID:2592
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1372 -ip 1372
        1⤵
          PID:624
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3524 -ip 3524
          1⤵
            PID:4160

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\KJDGDGDHDG.exe

            Filesize

            548KB

            MD5

            b21c6fe0a4d7475c0679942bc936637e

            SHA1

            bc1052fe8bdffb3bfddeef255c212db2373188ab

            SHA256

            c457134d21ff78a008fbc58dbde5ff6d3ebf55564d86541328eb76eb83304bea

            SHA512

            0aadddbe15b7a83bb03169c3236e62902cf01609482131fdb7a8ae77693682cdaef8de795dd89d868d52f6364716098d64eb62033415943a7a67d0ec30281ead

          • C:\ProgramData\mozglue.dll

            Filesize

            593KB

            MD5

            c8fd9be83bc728cc04beffafc2907fe9

            SHA1

            95ab9f701e0024cedfbd312bcfe4e726744c4f2e

            SHA256

            ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

            SHA512

            fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

          • C:\ProgramData\nss3.dll

            Filesize

            2.0MB

            MD5

            1cc453cdf74f31e4d913ff9c10acdde2

            SHA1

            6e85eae544d6e965f15fa5c39700fa7202f3aafe

            SHA256

            ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

            SHA512

            dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

          • memory/1172-100-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-25-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-43-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-79-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-72-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-26-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-42-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-71-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-6-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-3-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-8-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-7-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-10-0x0000000020280000-0x00000000204DF000-memory.dmp

            Filesize

            2.4MB

          • memory/1172-80-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-81-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1172-2-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1372-0-0x0000000000F9C000-0x0000000000F9E000-memory.dmp

            Filesize

            8KB

          • memory/3080-96-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/3080-98-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/3080-99-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/3524-95-0x0000000000D04000-0x0000000000D05000-memory.dmp

            Filesize

            4KB