Analysis

  • max time kernel
    134s
  • max time network
    301s
  • 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 22:44

General

  • Target

    84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe

  • Size

    394KB

  • MD5

    64bb15a561342db08d8362ab5b83f37f

  • SHA1

    9fcd468bc8ebcc5dd1bf98329824bb5fc8c2b255

  • SHA256

    84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d

  • SHA512

    4e558b7e8353458adc6066ec8a363ce82810483185b40a7e5a64aedc29aff71b8362e68c54e679c2a63a76bdeb400d5f8f6ef6ce91646589c08d52c4ee9e3a53

  • SSDEEP

    12288:hLHiRiF5lT7ODeIbuH5+zte+NyLt/8DERu:hLHiReODeIbuH5gtbNyiE

Malware Config

Extracted

Family

vidar

Version

11

Botnet

58cd250b15e666e5f72fcf5caa6cb131

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 26 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\84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe
    "C:\Users\Admin\AppData\Local\Temp\84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4740
    • 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:352
      • C:\ProgramData\FHCGCFHDHI.exe
        "C:\ProgramData\FHCGCFHDHI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4620
          • 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:1088
        • C:\ProgramData\CFCGIIEHIE.exe
          "C:\ProgramData\CFCGIIEHIE.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1808
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4816
            • 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:3628
          • C:\ProgramData\GHDHDGHJEB.exe
            "C:\ProgramData\GHDHDGHJEB.exe"
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:4888
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c net user
              4⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1224
              • C:\Windows\SysWOW64\net.exe
                net user
                5⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:3672
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 user
                  6⤵
                  • System Location Discovery: System Language Discovery
                  PID:2460
            • 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:2964
              • 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:1352
                • 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:4444
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EGDGIEGHJEGI" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3084
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:1056
      • \??\c:\windows\system32\svchost.exe
        c:\windows\system32\svchost.exe -k networkservice -s TermService
        1⤵
          PID:1868
        • 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:4344

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\ProgramData\CFCGIIEHIE.exe

          Filesize

          403KB

          MD5

          f73186df5a030cf7f186b0737c3af1f7

          SHA1

          d15e45feefbbc010db92ae897d80bc7419c0d046

          SHA256

          05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

          SHA512

          a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

        • C:\ProgramData\DAKJDHIEBFII\FBAFII

          Filesize

          148KB

          MD5

          90a1d4b55edf36fa8b4cc6974ed7d4c4

          SHA1

          aba1b8d0e05421e7df5982899f626211c3c4b5c1

          SHA256

          7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

          SHA512

          ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

        • C:\ProgramData\FHCGCFHDHI.exe

          Filesize

          376KB

          MD5

          47697a60a96c5adef362d8da9a274b7d

          SHA1

          16dbc512f121c27e2cb48a61d6dcf166aa792e0d

          SHA256

          63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

          SHA512

          4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

        • C:\ProgramData\GHDHDGHJEB.exe

          Filesize

          72KB

          MD5

          8a4026e4d33a227ff1df5837235782c5

          SHA1

          b6ea86727f17ebfea03651354c8380d0803fcfb9

          SHA256

          d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

          SHA512

          9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

        • 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

          99d50234c71f109da59e77206fdad06b

          SHA1

          d4243def90070434b91a1d8a7ffb790ba3ae3059

          SHA256

          c7a5d07a25baf02a14e1de09475b3b44fec15d52ffc2bdae5ebbb0b6d78aa727

          SHA512

          3bdd83f64a796983778c1beb5b78e3ee3d224e7c489d523d8084a196a6ea996eab178c6f91c4ad95b0b251c56d155e5059d843876e776526837d67bf4d52b31b

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VSH5XF98\76561199780418869[1].htm

          Filesize

          33KB

          MD5

          fc22fea4815e061e27c5fec24224310a

          SHA1

          d3bb27b32b47e690ba974ec09914b27d2ebc266a

          SHA256

          b07fc104c0142a9da83c7c2a5f09b6679a5a453228331802ce631d7de3bbbd02

          SHA512

          03f2b2e21f921f2178bebc80be0a828bd3f9cb14ead04701aaa1ecacceb6101f762c12955fe8287566a375b03fe6faf051494343eb941593e8cec4ac52e5ed13

        • 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/352-64-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-8-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-37-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-65-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-72-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-73-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-22-0x0000000022140000-0x000000002239F000-memory.dmp

          Filesize

          2.4MB

        • memory/352-21-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-20-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-38-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-6-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/352-3-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/1088-84-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1088-87-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1088-90-0x0000000000400000-0x0000000000465000-memory.dmp

          Filesize

          404KB

        • memory/1352-129-0x0000000000400000-0x00000000005BE000-memory.dmp

          Filesize

          1.7MB

        • memory/1808-98-0x0000000000570000-0x00000000005D8000-memory.dmp

          Filesize

          416KB

        • memory/2716-89-0x0000000072120000-0x000000007280E000-memory.dmp

          Filesize

          6.9MB

        • memory/2716-81-0x000000007212E000-0x000000007212F000-memory.dmp

          Filesize

          4KB

        • memory/2716-82-0x0000000000540000-0x00000000005A2000-memory.dmp

          Filesize

          392KB

        • memory/3628-132-0x0000000022980000-0x0000000022BDF000-memory.dmp

          Filesize

          2.4MB

        • memory/3628-130-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/3628-100-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/3628-147-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/3628-146-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/3628-104-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/3628-131-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/3628-102-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/4740-11-0x0000000073E00000-0x00000000744EE000-memory.dmp

          Filesize

          6.9MB

        • memory/4740-46-0x0000000073E00000-0x00000000744EE000-memory.dmp

          Filesize

          6.9MB

        • memory/4740-1-0x0000000000970000-0x00000000009D8000-memory.dmp

          Filesize

          416KB

        • memory/4740-0-0x0000000073E0E000-0x0000000073E0F000-memory.dmp

          Filesize

          4KB

        • memory/4888-114-0x0000000000340000-0x0000000000358000-memory.dmp

          Filesize

          96KB

        • memory/4888-115-0x0000000004B30000-0x0000000004B48000-memory.dmp

          Filesize

          96KB