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Analysis

  • max time kernel
    93s
  • max time network
    144s
  • 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, 01:03

General

  • Target

    0e339ee818aaee4534db8004de5efe2cc5d9f4a029f0e176fe9dfe3fe15c7ff7.exe

  • Size

    551KB

  • MD5

    876d7e7a3bd3b10b48c31c37f987e7d9

  • SHA1

    2db332e54ccd802dc7a80003b795e33f1f651927

  • SHA256

    0e339ee818aaee4534db8004de5efe2cc5d9f4a029f0e176fe9dfe3fe15c7ff7

  • SHA512

    ef1aa038d017575d15d5b0da501da9b17983589489f1777cff529f7bb2ca2af73d11a881292c1d95edcaf6ea9a2f1f84a383f42ac8d7d85e571d38313fc53459

  • SSDEEP

    12288:zKzXYJTVvKjLB4AP7UNZ9R1lOOSqJStlzTbT9Ia88jEsP:zsCVI4AP2Z1lOJhtl/bp3JjF

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 37 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0e339ee818aaee4534db8004de5efe2cc5d9f4a029f0e176fe9dfe3fe15c7ff7.exe
    "C:\Users\Admin\AppData\Local\Temp\0e339ee818aaee4534db8004de5efe2cc5d9f4a029f0e176fe9dfe3fe15c7ff7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1624
    • 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:4460
      • C:\ProgramData\BFBAAFHDHC.exe
        "C:\ProgramData\BFBAAFHDHC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2220
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:8
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:4732
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              4⤵
                PID:1164
              • 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:1660
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 2220 -s 280
                4⤵
                • Program crash
                PID:4364
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\GHJDBAKEHDHD" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:4916
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4816
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1624 -s 256
            2⤵
            • Program crash
            PID:2092
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1624 -ip 1624
          1⤵
            PID:2908
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2220 -ip 2220
            1⤵
              PID:1452

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\BFBAAFHDHC.exe

              Filesize

              518KB

              MD5

              f2e06e0c518fc12474c24fc1107bdc80

              SHA1

              ec66a54fa727f65ed8fabc40de61816a4081df43

              SHA256

              ef2048a669f1bf5ddf52eaf0f3950f5fa6c8eabc185eb8f6fa1a4af7731e6442

              SHA512

              b096a73d9479cb72d0c87bdbabd259771aefa7ede0f237bc4af6386027663648f72a55c1ceb5db6340e4f8275cf5c042b007d6065af55df273f25d8dccbaab98

            • 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/1624-0-0x0000000000258000-0x000000000025A000-memory.dmp

              Filesize

              8KB

            • memory/1660-99-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/1660-98-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/1660-96-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/2220-95-0x0000000000B50000-0x0000000000B51000-memory.dmp

              Filesize

              4KB

            • memory/4460-42-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-79-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-43-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-3-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-25-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-26-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-72-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-71-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-80-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-81-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-1-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-10-0x0000000020090000-0x00000000202EF000-memory.dmp

              Filesize

              2.4MB

            • memory/4460-8-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-7-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-6-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4460-100-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB