Analysis

  • max time kernel
    135s
  • max time network
    247s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    26-09-2024 22:34

General

  • Target

    2b85d82dd140d794a295b87bb250ebcdfa1aeb1d729f74c37ac0b07083e70daf.exe

  • Size

    401KB

  • MD5

    cd681a24c9d79c3af8caa1843296a062

  • SHA1

    c18bfd79658cd691170595dd5b4dd586c21b954c

  • SHA256

    2b85d82dd140d794a295b87bb250ebcdfa1aeb1d729f74c37ac0b07083e70daf

  • SHA512

    2527a1a2acdf8c87e4b459683f6f287bc6fb65ff9eb979c830ec9dfd685380c633787b247b65c3fe3bf57f5c598f48700742f8d8d056c971ed5744e2eb9f5cb5

  • SSDEEP

    12288:CgIVaGe6BEIaaJLq2vru6fv8PF5Nn5e4AkArjUdG8L:NGmLaufTe5rUdG8L

Malware Config

Extracted

Family

vidar

Version

11

Botnet

728eadc0b38790aac08b64fd1b8adb1f

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

C2

https://reinforcenh.shop/api

https://stogeneratmns.shop/api

https://fragnantbui.shop/api

https://drawzhotdog.shop/api

https://vozmeatillu.shop/api

https://offensivedzvju.shop/api

https://ghostreedmnu.shop/api

https://gutterydhowi.shop/api

https://wallkedsleeoi.shop/api

Extracted

Family

vidar

Version

11

Botnet

e90840a846d017e7b095f7543cdf2d15

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

C2

https://wallkedsleeoi.shop/api

https://gutterydhowi.shop/api

https://ghostreedmnu.shop/api

https://offensivedzvju.shop/api

https://vozmeatillu.shop/api

https://drawzhotdog.shop/api

https://fragnantbui.shop/api

https://stogeneratmns.shop/api

https://reinforcenh.shop/api

https://ballotnwu.site/api

Signatures

  • Detect Vidar Stealer 18 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
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

  • System Location Discovery: System Language Discovery 1 TTPs 14 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 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 32 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2b85d82dd140d794a295b87bb250ebcdfa1aeb1d729f74c37ac0b07083e70daf.exe
    "C:\Users\Admin\AppData\Local\Temp\2b85d82dd140d794a295b87bb250ebcdfa1aeb1d729f74c37ac0b07083e70daf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4776
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2620
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:956
        • C:\ProgramData\GCBKFIEBGC.exe
          "C:\ProgramData\GCBKFIEBGC.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3572
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:2480
        • C:\ProgramData\HCAEBFBKKJ.exe
          "C:\ProgramData\HCAEBFBKKJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:648
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:5080
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:4348
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                • System Location Discovery: System Language Discovery
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                PID:5004
            • C:\ProgramData\CGIJJKEHCA.exe
              "C:\ProgramData\CGIJJKEHCA.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:592
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c net user
                4⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2248
                • C:\Windows\SysWOW64\net.exe
                  net user
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:2776
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 user
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:2036
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
                4⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:4064
                • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe
                  C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe -i
                  5⤵
                  • Server Software Component: Terminal Services DLL
                  • Executes dropped EXE
                  • Modifies WinLogon
                  • Drops file in Program Files directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:4960
                  • C:\Windows\SYSTEM32\netsh.exe
                    netsh advfirewall firewall add rule name="Remote Desktop" dir=in protocol=tcp localport=3389 profile=any action=allow
                    6⤵
                    • Modifies Windows Firewall
                    • Event Triggered Execution: Netsh Helper DLL
                    PID:3440
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HJJJDAEGIDHC" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              PID:1536
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4760
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k networkservice -s TermService
          1⤵
            PID:376
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k NetworkService -s TermService
            1⤵
            • Loads dropped DLL
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4412

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\CGIJJKEHCA.exe

            Filesize

            72KB

            MD5

            8a4026e4d33a227ff1df5837235782c5

            SHA1

            b6ea86727f17ebfea03651354c8380d0803fcfb9

            SHA256

            d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

            SHA512

            9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

          • C:\ProgramData\GCBKFIEBGC.exe

            Filesize

            376KB

            MD5

            47697a60a96c5adef362d8da9a274b7d

            SHA1

            16dbc512f121c27e2cb48a61d6dcf166aa792e0d

            SHA256

            63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

            SHA512

            4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

          • C:\ProgramData\HCAEBFBKKJ.exe

            Filesize

            403KB

            MD5

            f73186df5a030cf7f186b0737c3af1f7

            SHA1

            d15e45feefbbc010db92ae897d80bc7419c0d046

            SHA256

            05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

            SHA512

            a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

          • C:\ProgramData\JDAFIEHIEGDH\GHIJJJ

            Filesize

            148KB

            MD5

            90a1d4b55edf36fa8b4cc6974ed7d4c4

            SHA1

            aba1b8d0e05421e7df5982899f626211c3c4b5c1

            SHA256

            7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

            SHA512

            ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

            Filesize

            471B

            MD5

            2d2427308444f4dcf76ef7d3a4a15671

            SHA1

            412f4955f05a781cf68b68ead5fc908f986410d5

            SHA256

            a5ee25390d9316d1996a3f52ed43a3523dcae3803d1127f546a3a9337eea9b32

            SHA512

            d9fd366db9e0728f630d5845e0ac3132c2f337c57efcede1a53193a5a6f19a9c0e3cea80122a3de6ca95b6054f3d4daf53a920f0278dc8f233f6745afadd3a7f

          • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EDC238BFF48A31D55A97E1E93892934B_C31B2498754E340573F1336DE607D619

            Filesize

            400B

            MD5

            fc1a4f810abc670343c4b1656a2aad0c

            SHA1

            a20b20a3ca4174091c6b674dc59a3c888d0c2f23

            SHA256

            6ed0c4adc3cc1daf166dcd3c4cbe40e000166e115448688e35aa0e434a9635cb

            SHA512

            2a11ed7025812ed76ebc9a6d92dd9535676a28e276b045ad01a26b575ae18b197e93632e4c1e7a9085f6f2cc43f914def9be72f59413d80f5e8505fddebe7d27

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BLQDLNEB\76561199780418869[1].htm

            Filesize

            33KB

            MD5

            7c44dd37f3f4121f5873836eaae24782

            SHA1

            7e6031ac2fc07927bd47b3f7d394a8ff1dec4f7b

            SHA256

            78e94fa54b984c27d5f399bff58ce63de53a3afcfbd2d10e7e1219cc4c13d0c2

            SHA512

            464462662e8d6c596dea9f7c6b2df83c686c039c2e6ab09113ad4fcc2fdd327e122f48490533df673ef3c8b998aef77740cf68c8d1508fd5a5e8dd4e44b65b69

          • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe

            Filesize

            1.7MB

            MD5

            c213162c86bb943bcdf91b3df381d2f6

            SHA1

            8ec200e2d836354a62f16cdb3eed4bb760165425

            SHA256

            ac91b2a2db1909a2c166e243391846ad8d9ede2c6fcfd33b60acf599e48f9afc

            SHA512

            b3ead28bb1f4b87b0c36c129864a8af34fc11e5e9feaa047d4ca0525bec379d07c8efee259ede8832b65b3c03ef4396c9202989249199f7037d56439187f147b

          • \??\c:\program files\rdp wrapper\rdpwrap.dll

            Filesize

            114KB

            MD5

            461ade40b800ae80a40985594e1ac236

            SHA1

            b3892eef846c044a2b0785d54a432b3e93a968c8

            SHA256

            798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

            SHA512

            421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

          • \??\c:\program files\rdp wrapper\rdpwrap.ini

            Filesize

            433KB

            MD5

            92bc5fedb559357aa69d516a628f45dc

            SHA1

            6468a9fa0271724e70243eab49d200f457d3d554

            SHA256

            85cd5cd634fa8bbbf8d71b0a7d49a58870ef760da6d6e7789452cae4cab28127

            SHA512

            87e210e22631c1a394918859213140a7c54b75aec9bbc4f44509959d15cfa14abcbfeb1adf9cffa11b2e88f84a8708f67e842d859e63394b7f6036ce934c3cc9

          • \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/592-113-0x00000000004C0000-0x00000000004D8000-memory.dmp

            Filesize

            96KB

          • memory/592-114-0x0000000000C30000-0x0000000000C48000-memory.dmp

            Filesize

            96KB

          • memory/648-97-0x0000000000D90000-0x0000000000DF8000-memory.dmp

            Filesize

            416KB

          • memory/956-39-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-24-0x00000000203F0000-0x000000002064F000-memory.dmp

            Filesize

            2.4MB

          • memory/956-73-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-74-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-65-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-8-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-10-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-4-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-66-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-22-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-40-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/956-23-0x0000000000400000-0x0000000000675000-memory.dmp

            Filesize

            2.5MB

          • memory/2480-89-0x0000000000400000-0x0000000000465000-memory.dmp

            Filesize

            404KB

          • memory/2480-88-0x0000000000400000-0x0000000000465000-memory.dmp

            Filesize

            404KB

          • memory/2480-85-0x0000000000400000-0x0000000000465000-memory.dmp

            Filesize

            404KB

          • memory/3572-83-0x0000000000BF0000-0x0000000000C52000-memory.dmp

            Filesize

            392KB

          • memory/3572-82-0x0000000072AEE000-0x0000000072AEF000-memory.dmp

            Filesize

            4KB

          • memory/4776-6-0x0000000073930000-0x000000007401E000-memory.dmp

            Filesize

            6.9MB

          • memory/4776-2-0x0000000073930000-0x000000007401E000-memory.dmp

            Filesize

            6.9MB

          • memory/4776-13-0x0000000073930000-0x000000007401E000-memory.dmp

            Filesize

            6.9MB

          • memory/4776-1-0x00000000009A0000-0x0000000000A08000-memory.dmp

            Filesize

            416KB

          • memory/4776-0-0x000000007393E000-0x000000007393F000-memory.dmp

            Filesize

            4KB

          • memory/4960-128-0x0000000000400000-0x00000000005BE000-memory.dmp

            Filesize

            1.7MB

          • memory/5004-103-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/5004-101-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/5004-130-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/5004-131-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/5004-132-0x000000001FBC0000-0x000000001FE1F000-memory.dmp

            Filesize

            2.4MB

          • memory/5004-99-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/5004-146-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/5004-147-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB