Analysis

  • max time kernel
    118s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 12:37

General

  • Target

    file.exe

  • Size

    580KB

  • MD5

    0dd02c48ff88cab7eb2129f72fb48a36

  • SHA1

    0e46168f7ebf6fc6130b07acb867e1f4e2f3c2e1

  • SHA256

    7636924a11e30d0ac5f8a2a7fb2b73416816565d059dbb0123324717eba828e2

  • SHA512

    116e53ae4158104601827e62e0b82d35ab7e8d60859eef79fb932e8ba77aef1a55dbcf8f0a81ab788915a683628ab39c61e10e3ef106310612822dd937bb47ed

  • SSDEEP

    12288:amCaBY9nY8vFbsnzdraM4eH9pQXcELgc0vE54D3kcBdIiKEO:caonYlraOQC94ckQWZt

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

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 11 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 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
      2⤵
        PID:2672
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
        2⤵
          PID:2660
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          2⤵
            PID:2752
          • 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:2796
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
                2⤵
                  PID:2804
                • 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:2984
                  • C:\ProgramData\HDHJEBFBFH.exe
                    "C:\ProgramData\HDHJEBFBFH.exe"
                    3⤵
                    • Executes dropped EXE
                    • Suspicious use of SetThreadContext
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:2900
                    • 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:2600
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -u -p 2900 -s 52
                      4⤵
                      • Loads dropped DLL
                      • Program crash
                      PID:1036
                  • C:\Windows\SysWOW64\cmd.exe
                    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FHIECBAFBFHI" & exit
                    3⤵
                    • System Location Discovery: System Language Discovery
                    • Suspicious use of WriteProcessMemory
                    PID:716
                    • C:\Windows\SysWOW64\timeout.exe
                      timeout /t 10
                      4⤵
                      • System Location Discovery: System Language Discovery
                      • Delays execution with timeout.exe
                      PID:1508
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 684 -s 104
                  2⤵
                  • Program crash
                  PID:2664

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\Users\Admin\AppData\Local\Temp\Cab52B4.tmp

                Filesize

                70KB

                MD5

                49aebf8cbd62d92ac215b2923fb1b9f5

                SHA1

                1723be06719828dda65ad804298d0431f6aff976

                SHA256

                b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

                SHA512

                bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

              • C:\Users\Admin\AppData\Local\Temp\Tar52E6.tmp

                Filesize

                181KB

                MD5

                4ea6026cf93ec6338144661bf1202cd1

                SHA1

                a1dec9044f750ad887935a01430bf49322fbdcb7

                SHA256

                8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

                SHA512

                6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

              • \ProgramData\HDHJEBFBFH.exe

                Filesize

                548KB

                MD5

                b21c6fe0a4d7475c0679942bc936637e

                SHA1

                bc1052fe8bdffb3bfddeef255c212db2373188ab

                SHA256

                c457134d21ff78a008fbc58dbde5ff6d3ebf55564d86541328eb76eb83304bea

                SHA512

                0aadddbe15b7a83bb03169c3236e62902cf01609482131fdb7a8ae77693682cdaef8de795dd89d868d52f6364716098d64eb62033415943a7a67d0ec30281ead

              • \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/684-0-0x000000000103C000-0x000000000103E000-memory.dmp

                Filesize

                8KB

              • memory/2600-91-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-90-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-89-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-88-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-92-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-93-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2600-94-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-97-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2600-96-0x0000000000400000-0x0000000000463000-memory.dmp

                Filesize

                396KB

              • memory/2900-87-0x0000000000BC4000-0x0000000000BC5000-memory.dmp

                Filesize

                4KB

              • memory/2984-11-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-1-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-60-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-61-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-68-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-69-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-70-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-30-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-20-0x000000001B680000-0x000000001B8DF000-memory.dmp

                Filesize

                2.4MB

              • memory/2984-17-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-16-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-31-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-3-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-5-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-6-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-7-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-8-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-15-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

                Filesize

                4KB

              • memory/2984-12-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/2984-137-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB