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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
    05/10/2024, 02:58

General

  • Target

    1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe

  • Size

    551KB

  • MD5

    9f79695e72dbd5bc6f7ecf4b6bb53690

  • SHA1

    a7fbcb8402c423efe38541137507fa05822bddd7

  • SHA256

    1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08

  • SHA512

    2b5fd840af93b5075cfbffb6b9a21836363f444f54c31a92ef7768c9fede948c10beb71e942881a83bcbc5bab4004a8147417138e3a5e7f2e9eb4103f923e3c8

  • SSDEEP

    12288:hDnrXQcjZvgjpq91VJ7EIsPqyR5o9yxqurb99RYxqjCAsP:hDLdZY81VJ7EIsQywMz+sCp

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 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe
    "C:\Users\Admin\AppData\Local\Temp\1786d0b0308c4ab88d29de4e16dd88e7a9d52662596ea0b3f707c7ea4ef96b08.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4844
    • 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:4436
      • C:\ProgramData\BGDBAKFCFH.exe
        "C:\ProgramData\BGDBAKFCFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4896
        • 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:4308
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4896 -s 264
          4⤵
          • Program crash
          PID:3996
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BKFHCGIDBAAF" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1984
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4844 -s 256
      2⤵
      • Program crash
      PID:3560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4844 -ip 4844
    1⤵
      PID:2012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4896 -ip 4896
      1⤵
        PID:1896

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BGDBAKFCFH.exe

        Filesize

        518KB

        MD5

        b989f3ed779705f097816b86ca3f52bd

        SHA1

        c535b53986e5cbf51676a9de14233e9cdf6192be

        SHA256

        cc786b72fd3b6f4165a962538cf43992d20620b6794dc47c3af58988ff8dd417

        SHA512

        e61dc6bdc9243239795dcdc166f0e02ed1ec737d888fd00700e06ce697caea1a4c098844722682885db83ac9155b15b5fc1e179c86fe10f079ff6802d3c47fef

      • 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/4308-99-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4308-98-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4308-96-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/4436-42-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-79-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-71-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-100-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-43-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-11-0x000000001D660000-0x000000001D8BF000-memory.dmp

        Filesize

        2.4MB

      • memory/4436-26-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-72-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-25-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-80-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-81-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-1-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4436-7-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4844-0-0x00000000004F8000-0x00000000004FA000-memory.dmp

        Filesize

        8KB

      • memory/4896-95-0x0000000000090000-0x0000000000091000-memory.dmp

        Filesize

        4KB