Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-10-2024 01:36

General

  • Target

    677862ec62130345467fc6472bfbeff124fd2716897db3f8549c29f016ef13cd.exe

  • Size

    408KB

  • MD5

    37ec6ac7a655216941a30dc46fe1b189

  • SHA1

    cf6637aabee2fd26a76e30db0a289201305372fb

  • SHA256

    677862ec62130345467fc6472bfbeff124fd2716897db3f8549c29f016ef13cd

  • SHA512

    ec33b2631e538d29bf35612e247ec61baf56c5202df6728b4e10b03ae6c9438ceafc698474b289b102ff3a6607d6399af24ed7daee4debd38062d48c22ac4edc

  • SSDEEP

    12288:nLYJvfeQmGFFxAKKWKuQLTRURHjZl3EBoYruJ3StafO:L5I5KW5pPW/n

Malware Config

Extracted

Family

vidar

Version

11

Botnet

bb7310eab4245006f125c442da2d1e50

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

Extracted

Family

lumma

C2

https://beearvagueo.site/api

Signatures

  • Detect Vidar Stealer 16 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 3 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\677862ec62130345467fc6472bfbeff124fd2716897db3f8549c29f016ef13cd.exe
    "C:\Users\Admin\AppData\Local\Temp\677862ec62130345467fc6472bfbeff124fd2716897db3f8549c29f016ef13cd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3472
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_regiis.exe"
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:668
      • C:\ProgramData\FCFHJKJJJE.exe
        "C:\ProgramData\FCFHJKJJJE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:556
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:4860
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:3192
            • 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:1252
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 556 -s 308
              4⤵
              • Program crash
              PID:2280
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGIJEBGDAFHI" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4456
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:5104
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 556 -ip 556
        1⤵
          PID:60

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\FCFHJKJJJE.exe

          Filesize

          527KB

          MD5

          a9978b238babe1166131003c1be7bfb8

          SHA1

          b65655dcab6faa50e7715ea718fcdd2d6cf0e1d6

          SHA256

          f0f83c1f69adc4ea1557704dc5d9f77f40d418ff244dbc3e0afae8de367b8c21

          SHA512

          7d43f0663502c6ee033705095e2b133dfb3826174a36a20fd30e70d9f59de6f2ea84599436e88c3a11e27fa78df1e19b741526f10aa8a618a8ddab5a47e6e13e

        • 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

        • C:\Users\Admin\AppData\Roaming\msvcp110.dll

          Filesize

          581KB

          MD5

          d135b1643aba57454ef94c7f29c3b178

          SHA1

          3157d4150c3562e95d93a61c9cce0f1dceb7debc

          SHA256

          8be5cf1cfed0a9f6eaf4c978511461ad39ed8a53dc1d8be5c97990418b84b906

          SHA512

          45177daa16018d6c2989963a6cdeb59b4cf037674b2f8bfaa85cb332a9a6af291581e04880d2156c65d14760c5a3ed02baf3de340c31441f668db028bbaa07c3

        • memory/556-108-0x0000000000870000-0x0000000000871000-memory.dmp

          Filesize

          4KB

        • memory/668-97-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-10-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-114-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-96-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-18-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-15-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-30-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-31-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-32-0x0000000022470000-0x00000000226CF000-memory.dmp

          Filesize

          2.4MB

        • memory/668-47-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-48-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-64-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-65-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-22-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-83-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-89-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/668-88-0x0000000000A10000-0x0000000000C86000-memory.dmp

          Filesize

          2.5MB

        • memory/1252-109-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1252-111-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1252-112-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/1252-113-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/3472-5-0x0000000074EB0000-0x0000000075660000-memory.dmp

          Filesize

          7.7MB

        • memory/3472-21-0x0000000074EB0000-0x0000000075660000-memory.dmp

          Filesize

          7.7MB

        • memory/3472-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

          Filesize

          4KB

        • memory/3472-2-0x00000000017F0000-0x00000000017F6000-memory.dmp

          Filesize

          24KB

        • memory/3472-1-0x0000000000F60000-0x0000000000FCA000-memory.dmp

          Filesize

          424KB

        • memory/3472-23-0x0000000074EB0000-0x0000000075660000-memory.dmp

          Filesize

          7.7MB