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Analysis

  • max time kernel
    93s
  • max time network
    102s
  • 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, 07:55

General

  • Target

    7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe

  • Size

    551KB

  • MD5

    e26251c9b69242d40b4719dc9e49fa74

  • SHA1

    0398069717fc29a080b247a0a018f83903d28dbb

  • SHA256

    7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86

  • SHA512

    53bd85f730cb997ce15de0b979601f6b8953f2e641fa4e1f270a461f284369bd4ad45c21266ad2b44cfc8e162e227de9a54343d741b1e0e8faf934e40deafd28

  • SSDEEP

    12288:VLgb3AhDsvBjCWws+uiKT+KWszTC5DomEZV66+TPNXk2phPwLjsP:VLySuRh5TzWszTC5kmu66+TPNU2phYLq

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 14 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 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe
    "C:\Users\Admin\AppData\Local\Temp\7af074aff5843ba555e91ee917d75b37a0684139529cbdd3009cd161e31eff86.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4564
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:5052
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:2124
        • 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:2004
          • C:\ProgramData\EGCBAFCFIJ.exe
            "C:\ProgramData\EGCBAFCFIJ.exe"
            3⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4828
            • 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:4956
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4828 -s 240
              4⤵
              • Program crash
              PID:4836
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHCAECGIEBKJ" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1560
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 268
          2⤵
          • Program crash
          PID:5080
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
        1⤵
          PID:224
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4828 -ip 4828
          1⤵
            PID:3844

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\EGCBAFCFIJ.exe

            Filesize

            518KB

            MD5

            77a0c98a7d5a2905955e1c868d71fc3e

            SHA1

            8da013af209fd44dec2a2c1fcaf9f108b6a145b0

            SHA256

            daa40c5472119aa04ea001be9d59405ddc17efc5f6273bcd282f10f295886ea0

            SHA512

            820984eec621ca28746879ea62655cd2f0ec58ef32764c99b7d7f4e09c8aab72100ddac74f2da683a2d5d4e0fb45919894ce1e36b3520548aceb19784fbd6f7d

          • 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/2004-43-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-3-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-8-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-10-0x00000000225C0000-0x000000002281F000-memory.dmp

            Filesize

            2.4MB

          • memory/2004-25-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-26-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-42-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-99-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-6-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-7-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-71-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-72-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-79-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-80-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/2004-1-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/4564-0-0x00000000008D8000-0x00000000008DA000-memory.dmp

            Filesize

            8KB

          • memory/4828-94-0x0000000001080000-0x0000000001081000-memory.dmp

            Filesize

            4KB

          • memory/4956-95-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/4956-97-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB

          • memory/4956-98-0x0000000000400000-0x0000000000463000-memory.dmp

            Filesize

            396KB