Analysis

  • max time kernel
    94s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-10-2024 23:54

General

  • Target

    06390aa03e80bca99d43d83e1420b1695ca772c05ddb2eb211333fd70d540bc6.exe

  • Size

    580KB

  • MD5

    a1304c7b58399a5f85511fcdb3f89149

  • SHA1

    6a1ddd9e6f7c4977bc0bb850f6b83d7a8582f75e

  • SHA256

    06390aa03e80bca99d43d83e1420b1695ca772c05ddb2eb211333fd70d540bc6

  • SHA512

    fb91e2202c85bb8e8bff4aef5ddcaaf0b45128b2efe681b34a5cdb9340bc409b94eff622ba312c58ca5aa49b74005d5ec8f1abbe3da6c9c1f7046c3fa148ef42

  • SSDEEP

    12288:sKHCYvQ2v97bj+p24pAlrERc1LQ+anta77gbUrKA:sKZvQaW24pKh0ntVb65

Malware Config

Extracted

Family

vidar

C2

http://lade.petperfectcare.com:80

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 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 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\06390aa03e80bca99d43d83e1420b1695ca772c05ddb2eb211333fd70d540bc6.exe
    "C:\Users\Admin\AppData\Local\Temp\06390aa03e80bca99d43d83e1420b1695ca772c05ddb2eb211333fd70d540bc6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3564
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:4620
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:1288
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
            PID:4560
          • 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:4616
            • C:\ProgramData\CAAKKFHCFI.exe
              "C:\ProgramData\CAAKKFHCFI.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4184
              • 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:4324
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4184 -s 256
                4⤵
                • Program crash
                PID:3772
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FCBAECGIEBKK" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4596
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:1480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4184 -ip 4184
          1⤵
            PID:1948

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\CAAKKFHCFI.exe

            Filesize

            538KB

            MD5

            5dda3ef757da0a6ce29507b19fb932bc

            SHA1

            f3120ea49e4f21ed0786f16a385447a9b3bb4378

            SHA256

            f44d05e3b61f4690782ce7e72ff24209abeea31013e50dd8233ef9c2e5f3a6a4

            SHA512

            a7bb34d402a60bfc304cd81478feabe459fa337edc0d6c3ac0fbb22055d02cb3410aa1197423c5c13f3d3cf7f679fb995b6e9d9687ed407d44dee23f3dadaf44

          • 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/3564-0-0x0000000000D7C000-0x0000000000D7E000-memory.dmp

            Filesize

            8KB

          • memory/4184-97-0x00000000008B5000-0x00000000008B6000-memory.dmp

            Filesize

            4KB

          • memory/4324-100-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/4324-101-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/4324-98-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/4616-45-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-81-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-28-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-44-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-19-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-18-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-10-0x0000000022510000-0x000000002276F000-memory.dmp

            Filesize

            2.4MB

          • memory/4616-73-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-74-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-27-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-82-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-83-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-8-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-7-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-6-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-3-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-1-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4616-102-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB