Analysis

  • max time kernel
    93s
  • max time network
    95s
  • 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 00:33

General

  • Target

    8eabdfcfadad8ac12185a77ac647813b28be7d9d64939f70bd13a2e6b5e1f3fc.exe

  • Size

    559KB

  • MD5

    3b6f6272a9eafeaad3063b47c41a0bcf

  • SHA1

    5e52d54ae4ecf8e8f0e6b170643748a00679fd11

  • SHA256

    8eabdfcfadad8ac12185a77ac647813b28be7d9d64939f70bd13a2e6b5e1f3fc

  • SHA512

    6425d9d03461a14c1172cfe867827e7f3adb538bf457c81b3f6ef6cb830ddca763a732f6da9838313d09137dd3e7215e922d32b4ee4985b1d1c474aa6a6ad5c5

  • SSDEEP

    12288:pSt9OYi8xZZNVTPngVaUOETglv/q7iUr4V55yFw90fevzw27+PHEO:puTZPtqdTgJi+O4uMR7wHt

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

Extracted

Family

lumma

C2

https://spirittunek.store/api

https://mobbipenju.store/api

https://eaglepawnoy.store/api

https://dissapoiznw.store/api

https://studennotediw.store/api

https://bathdoomgaz.store/api

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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8eabdfcfadad8ac12185a77ac647813b28be7d9d64939f70bd13a2e6b5e1f3fc.exe
    "C:\Users\Admin\AppData\Local\Temp\8eabdfcfadad8ac12185a77ac647813b28be7d9d64939f70bd13a2e6b5e1f3fc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2880
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:1468
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:556
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
            PID:3148
          • 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:3056
            • C:\ProgramData\JDGHIIJKEB.exe
              "C:\ProgramData\JDGHIIJKEB.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1232
              • 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:436
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 268
                4⤵
                • Program crash
                PID:1096
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAEBKKKEHDHD" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4140
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4784
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 324
            2⤵
            • Program crash
            PID:1328
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2880 -ip 2880
          1⤵
            PID:2156
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1232 -ip 1232
            1⤵
              PID:3004

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\JDGHIIJKEB.exe

              Filesize

              518KB

              MD5

              86fefba173f9d57887fde359e1b93155

              SHA1

              b73abede8110e75aa953a7754e1de9c055d3e9a5

              SHA256

              87818d5d5b90e230b668fffeb42f1e4c035b16ac80c611698e6b3351d6c1e27a

              SHA512

              db6b11234ff02ec96afa81b09f3934c98821f823c708b2b35a614e650599a4326896654dcdead88f0ac1cbaaf19b9c58caa3c4a9517dd54a13d59397e97640ab

            • 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/436-99-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/436-98-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/436-96-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/1232-100-0x0000000000380000-0x0000000000406000-memory.dmp

              Filesize

              536KB

            • memory/1232-95-0x0000000000380000-0x0000000000406000-memory.dmp

              Filesize

              536KB

            • memory/2880-0-0x0000000000A68000-0x0000000000A6A000-memory.dmp

              Filesize

              8KB

            • memory/3056-25-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-80-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-101-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-42-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-79-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-72-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-71-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-43-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-81-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-2-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-26-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-3-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-10-0x000000001D890000-0x000000001DAEF000-memory.dmp

              Filesize

              2.4MB

            • memory/3056-8-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-7-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3056-6-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB