Analysis

  • max time kernel
    93s
  • max time network
    143s
  • 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 13:37

General

  • Target

    7f3c2473d1e6.exe

  • Size

    580KB

  • MD5

    dd44827a4ff7c9f0d3b4d94b8151144e

  • SHA1

    6dacc2fcec01a0f34d27619c4cade3c25f3a6d52

  • SHA256

    b830fb5d195f47d080d73af41060f8be9049d20d26453ca00107367ce2fd1d9a

  • SHA512

    ade978c03223b23dba01c9119a17838d38d078270421857557ec9947f0e9fcc557bbc55253cb2f36ec47fbd4013301b1d40f1e51a9b0bb5ccda34ecf5c282dc3

  • SSDEEP

    12288:h2qapAlfgoXFbrumro31PAANRet8Shpl62OmkymCyKtKndIisEO:vawfgAro3T3a8Shpl62W/CyEQWzt

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\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:3612
    • 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:552
      • C:\ProgramData\FIDHIEBAAK.exe
        "C:\ProgramData\FIDHIEBAAK.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2152
        • 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:3040
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2152 -s 256
          4⤵
          • Program crash
          PID:60
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KKJDGDHIDBGI" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4568
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2160
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3612 -s 264
      2⤵
      • Program crash
      PID:3508
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3612 -ip 3612
    1⤵
      PID:5060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2152 -ip 2152
      1⤵
        PID:3472

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\FIDHIEBAAK.exe

        Filesize

        548KB

        MD5

        0b7ec5759db9aada4b7ba36b54a857dc

        SHA1

        2365308352225362c5b29d16096237a7c8d32792

        SHA256

        9d5a09f1e7085458979b815665c0065b267923a04a359bda91cebdd0e3ba7758

        SHA512

        ae541335ec70e75447fbc32c04ac5c7f5af1a88c50352fc5268d1074246640ebc7e3a172d37c1bb8648f55b532389bc54f33f875118142a1e0a438dedeacd4a2

      • 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/552-100-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-25-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-43-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-79-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-72-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-26-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-42-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-71-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-7-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-10-0x000000001FB90000-0x000000001FDEF000-memory.dmp

        Filesize

        2.4MB

      • memory/552-80-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-81-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/552-1-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2152-95-0x0000000000554000-0x0000000000555000-memory.dmp

        Filesize

        4KB

      • memory/3040-96-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/3040-98-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/3040-99-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/3612-0-0x0000000000FEC000-0x0000000000FEE000-memory.dmp

        Filesize

        8KB