Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 22:05

General

  • Target

    64dae347d9fd43c6051858cfdf7ac720fac46461bba66e889ffc5057b635ec3f.exe

  • Size

    550KB

  • MD5

    cf53e6a7d56bf434be708446086ba2d6

  • SHA1

    cb4df70615ed22b9aa6acfcfe804b717197d00da

  • SHA256

    64dae347d9fd43c6051858cfdf7ac720fac46461bba66e889ffc5057b635ec3f

  • SHA512

    780c03ee844829c7c47ae779e8343616507d1aa4d4c814c2960dc8167f84e17e6daecfe2812e7500a95c7113b240e6bfa03e7813913db88e826b97c26d1f5ce2

  • SSDEEP

    12288:9kAw4CrufBG6P0BVYp6e/r3q6qeDT9yGZ1P:9ibLeaYpB63eDT9/Zl

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\64dae347d9fd43c6051858cfdf7ac720fac46461bba66e889ffc5057b635ec3f.exe
    "C:\Users\Admin\AppData\Local\Temp\64dae347d9fd43c6051858cfdf7ac720fac46461bba66e889ffc5057b635ec3f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4932
    • 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:748
      • C:\ProgramData\HJKJEHJKJE.exe
        "C:\ProgramData\HJKJEHJKJE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1484
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:3400
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:712
            • 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:3376
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 1484 -s 272
              4⤵
              • Program crash
              PID:1884
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGIIJDHCGCBK" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1500
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:828
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4932 -s 252
          2⤵
          • Program crash
          PID:1116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4932 -ip 4932
        1⤵
          PID:888
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1484 -ip 1484
          1⤵
            PID:4612

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\HJKJEHJKJE.exe

            Filesize

            548KB

            MD5

            bdd0a51b07797cf596950e1cedc90e93

            SHA1

            d0fd5aede5693df3d1675f049392506c0289df7e

            SHA256

            7b467a82e1138ade052abc2151d1ebfd6d5dae99fc76f2a7a9f8c9d95d66eae2

            SHA512

            500ecb52c14aa9e1ff81e097b2d97a8ad331915c47e6de87cec93ccd3da21961b45a639a1149b208c0ed656ec7633ead02d28b147b121f33cb3e2d0af34d5efd

          • 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/748-100-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-25-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-43-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-79-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-72-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-26-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-42-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-71-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-6-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-3-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-8-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-7-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-10-0x000000001FE00000-0x000000002005F000-memory.dmp

            Filesize

            2.4MB

          • memory/748-80-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-81-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/748-1-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1484-95-0x0000000000BA4000-0x0000000000BA5000-memory.dmp

            Filesize

            4KB

          • memory/3376-96-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/3376-98-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/3376-99-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/4932-0-0x0000000000218000-0x000000000021A000-memory.dmp

            Filesize

            8KB