Analysis

  • max time kernel
    41s
  • max time network
    245s
  • 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 22:42

General

  • Target

    778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438.exe

  • Size

    403KB

  • MD5

    bf79b53eeeecf5b81ccf98167ad94a75

  • SHA1

    12dba5935f7f538fc49c067150a896a90380b0f6

  • SHA256

    778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438

  • SHA512

    19d420f8792b3782ea38b44329778cceeee8cf9777a3e0e762065f8a1243a8961e241adc8a6926592e95f0bf42ac92e7b575a4d34bddfce6344c421e9ff7c828

  • SSDEEP

    12288:36t83udUndCdsSvje1Lyu4h1oPk/KiGEO:w8+OnVLqoc/KZt

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
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 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.

  • Suspicious use of SetThreadContext 3 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 10 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
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 26 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438.exe
    "C:\Users\Admin\AppData\Local\Temp\778cc4190db9e43265449657a63638f798b5abd0b313e352612d3d53beb1e438.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4896
    • 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:4532
      • C:\ProgramData\KEGCFCAKFH.exe
        "C:\ProgramData\KEGCFCAKFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5108
        • 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:428
      • C:\ProgramData\KEBFHIJECF.exe
        "C:\ProgramData\KEBFHIJECF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4708
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:524
          • 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:4004
        • C:\ProgramData\HCBAKJEHDB.exe
          "C:\ProgramData\HCBAKJEHDB.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4940
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net user
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1344
            • C:\Windows\SysWOW64\net.exe
              net user
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:912
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user
                6⤵
                • System Location Discovery: System Language Discovery
                PID:1276
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
            4⤵
              PID:2880
              • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe
                C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe -i
                5⤵
                  PID:2456
                  • 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
                    PID:644
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHDGCGIDAKEB" & exit
              3⤵
                PID:2356
                • C:\Windows\SysWOW64\timeout.exe
                  timeout /t 10
                  4⤵
                  • Delays execution with timeout.exe
                  PID:4412
          • \??\c:\windows\system32\svchost.exe
            c:\windows\system32\svchost.exe -k networkservice -s TermService
            1⤵
              PID:5028
            • C:\Windows\System32\svchost.exe
              C:\Windows\System32\svchost.exe -k NetworkService -s TermService
              1⤵
                PID:4520

              Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • C:\ProgramData\ECBGHCGCBKFI\BKKFCF

                Filesize

                148KB

                MD5

                90a1d4b55edf36fa8b4cc6974ed7d4c4

                SHA1

                aba1b8d0e05421e7df5982899f626211c3c4b5c1

                SHA256

                7cf3e9e8619904e72ea6608cc43e9b6c9f8aa2af02476f60c2b3daf33075981c

                SHA512

                ea0838be754e1258c230111900c5937d2b0788f90bbf7c5f82b2ceda7868e50afb86c301f313267eaa912778da45755560b5434885521bf915967a7863922ae2

              • C:\ProgramData\HCBAKJEHDB.exe

                Filesize

                72KB

                MD5

                8a4026e4d33a227ff1df5837235782c5

                SHA1

                b6ea86727f17ebfea03651354c8380d0803fcfb9

                SHA256

                d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

                SHA512

                9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

              • C:\ProgramData\KEBFHIJECF.exe

                Filesize

                403KB

                MD5

                f73186df5a030cf7f186b0737c3af1f7

                SHA1

                d15e45feefbbc010db92ae897d80bc7419c0d046

                SHA256

                05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

                SHA512

                a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

              • C:\ProgramData\KEGCFCAKFH.exe

                Filesize

                376KB

                MD5

                47697a60a96c5adef362d8da9a274b7d

                SHA1

                16dbc512f121c27e2cb48a61d6dcf166aa792e0d

                SHA256

                63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

                SHA512

                4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

              • 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

                e4c41646c052cc54eb141edcfa349139

                SHA1

                4150829e84130d99f5e27a4231b310f93b4a92e3

                SHA256

                370412c242d13253b682aeb73724f87c4d1d090fadf63e6ebf5a1e2331b0f5a1

                SHA512

                4fe9bc5a03b4159d911610615a656c3c6fbc65a9f024edafb16dfdeb9dc7314cd2103a3ebbafc73a85842651dc37f52854eba4fcff760fee16c4d180bf42e365

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

                Filesize

                33KB

                MD5

                7b0f1590364c83431bf407925421c90d

                SHA1

                5792fbbc1a4eba5e5319d0eb6606d77f524d83ce

                SHA256

                f9d9939b4b81a80e1ed3ce83f6221d7beb16e588ea266a8a8a4cd051c5f7f17c

                SHA512

                b499c3a4dab17e981083c118abbd6b10890da7a215e88c78d7fc914fd2982287d9ce847dc2f80b0c9d07f71f15ba87d44c177dd8f5febc208ade5115a84c69e7

              • 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/428-87-0x0000000000400000-0x0000000000465000-memory.dmp

                Filesize

                404KB

              • memory/428-84-0x0000000000400000-0x0000000000465000-memory.dmp

                Filesize

                404KB

              • memory/428-90-0x0000000000400000-0x0000000000465000-memory.dmp

                Filesize

                404KB

              • memory/2456-125-0x0000000000400000-0x00000000005BE000-memory.dmp

                Filesize

                1.7MB

              • memory/4004-102-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4004-100-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4004-146-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4004-132-0x000000001FF80000-0x00000000201DF000-memory.dmp

                Filesize

                2.4MB

              • memory/4004-131-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4004-130-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4004-147-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4004-104-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-45-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-72-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-23-0x00000000228D0000-0x0000000022B2F000-memory.dmp

                Filesize

                2.4MB

              • memory/4532-71-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-37-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-46-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-3-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-73-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-8-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-21-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-64-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4532-6-0x0000000000400000-0x0000000000676000-memory.dmp

                Filesize

                2.5MB

              • memory/4708-98-0x00000000002B0000-0x0000000000318000-memory.dmp

                Filesize

                416KB

              • memory/4896-20-0x0000000073230000-0x000000007391E000-memory.dmp

                Filesize

                6.9MB

              • memory/4896-11-0x0000000073230000-0x000000007391E000-memory.dmp

                Filesize

                6.9MB

              • memory/4896-0-0x000000007323E000-0x000000007323F000-memory.dmp

                Filesize

                4KB

              • memory/4896-1-0x0000000000180000-0x00000000001E8000-memory.dmp

                Filesize

                416KB

              • memory/4940-115-0x0000000001800000-0x0000000001818000-memory.dmp

                Filesize

                96KB

              • memory/4940-114-0x0000000000FD0000-0x0000000000FE8000-memory.dmp

                Filesize

                96KB

              • memory/5108-89-0x0000000071580000-0x0000000071C6E000-memory.dmp

                Filesize

                6.9MB

              • memory/5108-82-0x0000000000B20000-0x0000000000B82000-memory.dmp

                Filesize

                392KB

              • memory/5108-81-0x000000007158E000-0x000000007158F000-memory.dmp

                Filesize

                4KB