Analysis

  • max time kernel
    94s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-10-2024 00:44

General

  • Target

    a72af6c3293eb3061bba1e48ba6147de.exe

  • Size

    571KB

  • MD5

    a72af6c3293eb3061bba1e48ba6147de

  • SHA1

    316276ac440f65361db52e49a7fc4d2a9be1f457

  • SHA256

    7dc3d6e633cbabe95c39fa36f94ab6657e3c04dab7a9a6c1f79c9e2424378e00

  • SHA512

    3bea2955df160fc3ce1ad61c0cf1a6946bf4d12147596e63ff3eb359db9af4f32ea8e0595c65bec0d5651f76a029a9afac621fab08e5e21c7b1f8794740617ca

  • SSDEEP

    12288:eMs0xfgBSzc9gm8naRK1RDr/EbeWsFU37LpZdE3f8Hcz74S:eWfgv8naRK1Ncbe5S/jsf8SU

Malware Config

Extracted

Family

vidar

Botnet

4a5bc8b73e12425adc3c399da8136891

C2

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

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 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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a72af6c3293eb3061bba1e48ba6147de.exe
    "C:\Users\Admin\AppData\Local\Temp\a72af6c3293eb3061bba1e48ba6147de.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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:5112
      • C:\ProgramData\DBFHCGCGDA.exe
        "C:\ProgramData\DBFHCGCGDA.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2044
        • 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:4484
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 256
          4⤵
          • Program crash
          PID:756
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHDAFIIDAKJD" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4228
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1516
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1852 -s 252
      2⤵
      • Program crash
      PID:3452
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1852 -ip 1852
    1⤵
      PID:3416
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2044 -ip 2044
      1⤵
        PID:1108

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\DBFHCGCGDA.exe

        Filesize

        538KB

        MD5

        3efc73bb21b794bc0f39690fc48a4853

        SHA1

        875a2b39260db4c24c9c53b351d808edf0d6e019

        SHA256

        93bd0a8b49c37ae06b2f371f4fd1be25228033121411ee4b19bdf932396e94ec

        SHA512

        8ee52386bafc2848cf9c10a76943bb81b028e29043a269dea2efdeb92a69ac04cfc14be7c59f501855ce455da62bb361a725e09a244c0d440dc2884c0055789a

      • 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/1852-0-0x000000000028D000-0x000000000028F000-memory.dmp

        Filesize

        8KB

      • memory/2044-106-0x0000000000795000-0x0000000000796000-memory.dmp

        Filesize

        4KB

      • memory/4484-110-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4484-109-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4484-107-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/5112-54-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-84-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-37-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-53-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-28-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-27-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-19-0x0000000024C90000-0x0000000024EEF000-memory.dmp

        Filesize

        2.4MB

      • memory/5112-82-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-83-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-36-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-91-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-92-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-17-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-16-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-1-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/5112-111-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB