Analysis

  • max time kernel
    93s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2024, 22:13

General

  • Target

    file.exe

  • Size

    403KB

  • MD5

    f73186df5a030cf7f186b0737c3af1f7

  • SHA1

    d15e45feefbbc010db92ae897d80bc7419c0d046

  • SHA256

    05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

  • SHA512

    a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

  • SSDEEP

    12288:WFVCXJfc+aP2LQB0g7YUsKEJGxhimXJEO:MCX2d+LQqbKEJQim5t

Malware Config

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://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

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 17 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • Drops file in System32 directory 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 16 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\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:5048
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:1440
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Checks computer location settings
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1412
        • C:\ProgramData\DBFIDGIIIJ.exe
          "C:\ProgramData\DBFIDGIIIJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1884
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:3040
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:4416
              • 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:2900
            • C:\ProgramData\IDBFHCGCGD.exe
              "C:\ProgramData\IDBFHCGCGD.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:860
              • 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:1300
            • C:\ProgramData\JJJJKEHCAK.exe
              "C:\ProgramData\JJJJKEHCAK.exe"
              3⤵
              • Executes dropped EXE
              • System Location Discovery: System Language Discovery
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:4744
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c net user
                4⤵
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2716
                • C:\Windows\SysWOW64\net.exe
                  net user
                  5⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:3200
                  • C:\Windows\SysWOW64\net1.exe
                    C:\Windows\system32\net1 user
                    6⤵
                    • System Location Discovery: System Language Discovery
                    PID:5060
              • C:\Windows\SysWOW64\cmd.exe
                "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
                4⤵
                • System Location Discovery: System Language Discovery
                PID:2824
                • 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 System32 directory
                  • Drops file in Program Files directory
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of AdjustPrivilegeToken
                  • Suspicious use of SetWindowsHookEx
                  PID:672
                  • 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:3800
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DHJECFCGHIDG" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:1500
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:2244
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k NetworkService -s TermService
          1⤵
            PID:1592
          • 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:428

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\ProgramData\CAAAFCAKKKFB\HIEHDH

            Filesize

            160KB

            MD5

            f310cf1ff562ae14449e0167a3e1fe46

            SHA1

            85c58afa9049467031c6c2b17f5c12ca73bb2788

            SHA256

            e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

            SHA512

            1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

          • C:\ProgramData\DBFIDGIIIJ.exe

            Filesize

            376KB

            MD5

            47697a60a96c5adef362d8da9a274b7d

            SHA1

            16dbc512f121c27e2cb48a61d6dcf166aa792e0d

            SHA256

            63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

            SHA512

            4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

          • C:\ProgramData\IDBFHCGCGD.exe

            Filesize

            403KB

            MD5

            f73186df5a030cf7f186b0737c3af1f7

            SHA1

            d15e45feefbbc010db92ae897d80bc7419c0d046

            SHA256

            05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

            SHA512

            a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

          • C:\ProgramData\JJJJKEHCAK.exe

            Filesize

            71KB

            MD5

            8c46913fba5ca6a0cb8c4e839ef3a3ae

            SHA1

            95efa5e6909359a0d30e95b8eead7d0116f8b693

            SHA256

            1268e903700241813c51a97af8513c97306fcdc6987f4c7e2e0ec02eb71bd6cb

            SHA512

            b011191a827d75c9018d50ba3df0ba045bb4ef8000711dcdd1b117f9d257b2fe1f9722c38fe61bcabcca58dbe281fd7605f43ca3b339b428bcc6f5c3a5b8ec6e

          • 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

          • 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

            77325800e3135b8040cb0cc0de74caa6

            SHA1

            a016d4ca24edf57c514124462de3996f6307da9e

            SHA256

            927f63b2b97507aa9e2fe595ae39423271e084a42b0a5a659e7fe767826f9443

            SHA512

            9925476fee39e69b7d81ac215563f6271826c42346bc3b72a9fd3b490f26664b187085aa6a506097350dba0b6563733053176c9a02d2736b07f30e60522642c4

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IFM58U6K\76561199780418869[1].htm

            Filesize

            33KB

            MD5

            05900f0a933ceee728ed01d1c5af3ca8

            SHA1

            1ce56996ebc8833621ae6f191b0117cbf2dd8c3b

            SHA256

            262a131d6c2eeb9f36e8e11badfa07b48c8a245ad8c23fac30a14542326ac9a2

            SHA512

            ab47cdea8354b55fa4149b7b08ad57cd46b12ee544792226c482255e0f1527ed19301eabf59175dd9ff6e6dbb8993f75cec7ea7f593a5f9addf2b4b8f8362d30

          • 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

          • memory/672-164-0x0000000000400000-0x00000000005BE000-memory.dmp

            Filesize

            1.7MB

          • memory/1300-163-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1300-165-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1300-166-0x0000000022410000-0x000000002266F000-memory.dmp

            Filesize

            2.4MB

          • memory/1300-180-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1300-181-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-54-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-89-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-88-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-3-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-7-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-9-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-20-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-55-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-21-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-81-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-80-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-22-0x0000000022290000-0x00000000224EF000-memory.dmp

            Filesize

            2.4MB

          • memory/1412-37-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1412-38-0x0000000000400000-0x0000000000676000-memory.dmp

            Filesize

            2.5MB

          • memory/1884-111-0x0000000072020000-0x00000000727D0000-memory.dmp

            Filesize

            7.7MB

          • memory/1884-104-0x00000000008D0000-0x0000000000932000-memory.dmp

            Filesize

            392KB

          • memory/1884-103-0x000000007202E000-0x000000007202F000-memory.dmp

            Filesize

            4KB

          • memory/2900-112-0x0000000000400000-0x0000000000465000-memory.dmp

            Filesize

            404KB

          • memory/2900-109-0x0000000000400000-0x0000000000465000-memory.dmp

            Filesize

            404KB

          • memory/2900-106-0x0000000000400000-0x0000000000465000-memory.dmp

            Filesize

            404KB

          • memory/4744-148-0x00000000022E0000-0x00000000022F8000-memory.dmp

            Filesize

            96KB

          • memory/4744-147-0x0000000000330000-0x0000000000348000-memory.dmp

            Filesize

            96KB

          • memory/5048-0-0x00000000747FE000-0x00000000747FF000-memory.dmp

            Filesize

            4KB

          • memory/5048-62-0x00000000747F0000-0x0000000074FA0000-memory.dmp

            Filesize

            7.7MB

          • memory/5048-5-0x00000000747F0000-0x0000000074FA0000-memory.dmp

            Filesize

            7.7MB

          • memory/5048-1-0x0000000000280000-0x00000000002E8000-memory.dmp

            Filesize

            416KB