Analysis

  • max time kernel
    95s
  • max time network
    136s
  • 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 02:19

General

  • Target

    fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d.exe

  • Size

    559KB

  • MD5

    c9784db0c88a05a8aae9ddb7289b51db

  • SHA1

    7ce51feb0e818f5acb6ba4f1deb9f4fef04d7cd6

  • SHA256

    fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d

  • SHA512

    5dcbe1ea972859d9be452355774aef12c99a65824e7ffc47f6229ee0ca8d460b0d6ef2c9209dd03eb92fc48ab89d4a96bb2fc0c5518111e55361b1ddad70b095

  • SSDEEP

    12288:W/VmqBOr6mq0eOValpFrLeIOu2qSturmTdFtiDPF:0nHYKr5iIOu2qcOmTnti7F

Malware Config

Extracted

Family

vidar

Version

11

Botnet

433cd71b7a2bdd3668a493b00ee95630

C2

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://beearvagueo.site/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\fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d.exe
    "C:\Users\Admin\AppData\Local\Temp\fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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:868
      • C:\ProgramData\IECGIEBAEB.exe
        "C:\ProgramData\IECGIEBAEB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4596
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:1528
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:1372
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              4⤵
                PID:3668
              • 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:4372
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 316
                4⤵
                • Program crash
                PID:4820
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGIEBAFHJJDB" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:2168
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4036
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2084 -s 280
            2⤵
            • Program crash
            PID:4124
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2084 -ip 2084
          1⤵
            PID:912
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4596 -ip 4596
            1⤵
              PID:4764

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\IECGIEBAEB.exe

              Filesize

              527KB

              MD5

              886c515d56b780ab931254faa9a3f1ca

              SHA1

              092d7deb6e068f2015de64ae076d548823320c85

              SHA256

              f63bbbb09308de273116e3bb2d5240d220b4b5c8bf6a52c6e18c5b9fdb427acf

              SHA512

              cc6faaf15dad8e0b81ba757e77d8be1e9f51cd4aabb076c82b3bdbb21851c3389166890ddc23c85bc44cf99b4868651c670b93adf70e4a0e2518a35c81b898f2

            • 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/868-15-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-18-0x0000000024D70000-0x0000000024FCF000-memory.dmp

              Filesize

              2.4MB

            • memory/868-6-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-74-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-50-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-33-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-34-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-73-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-51-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-98-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-16-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-3-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-17-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-81-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-82-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/868-1-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2084-0-0x0000000000108000-0x0000000000109000-memory.dmp

              Filesize

              4KB

            • memory/4372-94-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/4372-96-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/4372-97-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/4596-93-0x0000000000F40000-0x0000000000F41000-memory.dmp

              Filesize

              4KB