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Analysis

  • max time kernel
    120s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08/10/2024, 00:28

General

  • Target

    931ac54db53c787f4138e73535db1664fc22cfbd9957b53d4c5135bc8a0dabd5.exe

  • Size

    580KB

  • MD5

    4dc984d2765c195fdaa10a9661309a52

  • SHA1

    8a64406f42f09a697d53e4960c1512ed79adbd05

  • SHA256

    931ac54db53c787f4138e73535db1664fc22cfbd9957b53d4c5135bc8a0dabd5

  • SHA512

    8887d23b1e72d9c61eb13b16072c0f072e0397ac36c9a82fc8a3fa98d4c8fdd7e9fc6f890356e5a5f3f82618104b11daaa0999769eab50a74f11a45d5835f6aa

  • SSDEEP

    12288:yKHCYvQ2v9LhwVzUvneFhKHMzCueMsA+mIeueJrKA:yKZvQaSzU/oM0xBsA+1vel5

Malware Config

Extracted

Family

vidar

C2

http://lade.petperfectcare.com:80

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

Signatures

  • Detect Vidar Stealer 16 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 14 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 1 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 10 IoCs
  • Suspicious use of WriteProcessMemory 61 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\931ac54db53c787f4138e73535db1664fc22cfbd9957b53d4c5135bc8a0dabd5.exe
    "C:\Users\Admin\AppData\Local\Temp\931ac54db53c787f4138e73535db1664fc22cfbd9957b53d4c5135bc8a0dabd5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2812
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:2808
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
            PID:2756
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            2⤵
              PID:2720
            • 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:2704
              • C:\ProgramData\BGIIDAEBGC.exe
                "C:\ProgramData\BGIIDAEBGC.exe"
                3⤵
                • Executes dropped EXE
                • Suspicious use of SetThreadContext
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2880
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                  4⤵
                    PID:2280
                  • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                    4⤵
                      PID:304
                    • 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:1000
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2880 -s 80
                      4⤵
                      • Loads dropped DLL
                      • Program crash
                      PID:264
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JJJEGHDAECBF" & exit
                    3⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:2440
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 10
                      4⤵
                      • System Location Discovery: System Language Discovery
                      • Delays execution with timeout.exe
                      PID:3060

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\CabE4E5.tmp

                Filesize

                70KB

                MD5

                49aebf8cbd62d92ac215b2923fb1b9f5

                SHA1

                1723be06719828dda65ad804298d0431f6aff976

                SHA256

                b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                SHA512

                bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

              • C:\Users\Admin\AppData\Local\Temp\TarE536.tmp

                Filesize

                181KB

                MD5

                4ea6026cf93ec6338144661bf1202cd1

                SHA1

                a1dec9044f750ad887935a01430bf49322fbdcb7

                SHA256

                8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                SHA512

                6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

              • \ProgramData\BGIIDAEBGC.exe

                Filesize

                538KB

                MD5

                74b9d44ebc552df2575ff67289857e83

                SHA1

                d8691e9777edb1b628707946e2919a1d0ff6f718

                SHA256

                b1b6ccf4681d86a4a18cdab8318739887fb36eb7cfa0f8f916d011c8685ea944

                SHA512

                19f7cb0fd66ce51314400238ebc43017ab6decfca39608571db8ad4a3f19b3e0e1180192e3b6c54bad2b2e73052e162527b65441f5f741c0cfbd82913e971823

              • \ProgramData\mozglue.dll

                Filesize

                593KB

                MD5

                c8fd9be83bc728cc04beffafc2907fe9

                SHA1

                95ab9f701e0024cedfbd312bcfe4e726744c4f2e

                SHA256

                ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

                SHA512

                fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

              • \ProgramData\nss3.dll

                Filesize

                2.0MB

                MD5

                1cc453cdf74f31e4d913ff9c10acdde2

                SHA1

                6e85eae544d6e965f15fa5c39700fa7202f3aafe

                SHA256

                ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

                SHA512

                dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

              • memory/1000-99-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-102-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-94-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-95-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-97-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-104-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-103-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-98-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/1000-100-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2704-64-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-32-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-46-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-3-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-9-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-63-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-10-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-71-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-72-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-13-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-6-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-33-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-17-0x000000001B440000-0x000000001B69F000-memory.dmp

                Filesize

                2.4MB

              • memory/2704-7-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2704-15-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-14-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-1-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-2-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-4-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-5-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2704-112-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2752-0-0x0000000000A3C000-0x0000000000A3E000-memory.dmp

                Filesize

                8KB

              • memory/2880-92-0x0000000000FF5000-0x0000000000FF6000-memory.dmp

                Filesize

                4KB