Analysis

  • max time kernel
    149s
  • max time network
    151s
  • 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 13:43

General

  • Target

    7f3c2473d1e6.exe

  • Size

    550KB

  • MD5

    33f127e35338687a1a64f67fa6ed3b9a

  • SHA1

    672dc4d194a5ffe2fd5c23b411bca7b99647ebd2

  • SHA256

    60bd16249ed2f24c98380920cb581f447a806541827d4eb2a5c1e889b9379c30

  • SHA512

    c50878d3cb82e12384f1a1c214d9bec19dc7e0e54285336261837a4c92aa42fd9068ec27c6d0361e60935b097a59d3262c4295c6660eaabb57503e4a2f82b4c8

  • SSDEEP

    12288:2oAw4Cr0G0187LxGraRAGxKUPbKslF3jt4njxZP:2ebj0SX8rvslFzwFJ

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://clearancek.site/api

https://mobbipenju.store/api

https://eaglepawnoy.store/api

https://dissapoiznw.store/api

https://studennotediw.store/api

https://bathdoomgaz.store/api

https://spirittunek.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 31 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe
    "C:\Users\Admin\AppData\Local\Temp\7f3c2473d1e6.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1184
    • 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:4356
      • C:\ProgramData\KEBFBGDGHI.exe
        "C:\ProgramData\KEBFBGDGHI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2944
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:4172
          • 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:3228
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2944 -s 264
            4⤵
            • Program crash
            PID:1900
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AAKEGDAKEHJD" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1388
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:3412
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1184 -s 256
        2⤵
        • Program crash
        PID:876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 1184 -ip 1184
      1⤵
        PID:1660
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2944 -ip 2944
        1⤵
          PID:1664

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\KEBFBGDGHI.exe

          Filesize

          518KB

          MD5

          6c7d97ae1b013c0b5aba8ca2186fda7e

          SHA1

          505ddef1e6bb7d132615a25c51d7094a7ef1807a

          SHA256

          c68856eee73796bc835c205be54888e3c99caf983dc5d35aedf2981fd41be527

          SHA512

          a8a886494e276dd07f2e497784b84552c03e8b1397dc30c8bfdf720e9c36bd422b9dab339527abff43c46b12e6561154942087a3a3736575c74315d6a5e64df9

        • 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/1184-0-0x0000000000608000-0x000000000060A000-memory.dmp

          Filesize

          8KB

        • memory/2944-94-0x0000000000A50000-0x0000000000A51000-memory.dmp

          Filesize

          4KB

        • memory/3228-98-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/3228-97-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/3228-95-0x0000000000400000-0x0000000000463000-memory.dmp

          Filesize

          396KB

        • memory/4356-99-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-79-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-71-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-6-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-3-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-43-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-72-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-42-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-80-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-81-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-1-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-26-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-25-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-10-0x000000001FC70000-0x000000001FECF000-memory.dmp

          Filesize

          2.4MB

        • memory/4356-8-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4356-7-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB