Analysis

  • max time kernel
    21s
  • max time network
    60s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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

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
  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 14 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).

  • Program crash 1 IoCs
  • 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
  • Modifies system certificate store 2 TTPs 3 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 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:2180
    • 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
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2740
      • C:\ProgramData\JDAFHCGIJE.exe
        "C:\ProgramData\JDAFHCGIJE.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1592
        • 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
          • Suspicious use of WriteProcessMemory
          PID:1644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 1644 -s 252
            5⤵
            • Program crash
            PID:268
      • C:\ProgramData\JKJECBAAAF.exe
        "C:\ProgramData\JKJECBAAAF.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2276
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1040
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1584
            • 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:1612
          • C:\ProgramData\KFHCAEGCBF.exe
            "C:\ProgramData\KFHCAEGCBF.exe"
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            • Suspicious use of AdjustPrivilegeToken
            PID:1692
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c net user
              4⤵
              • System Location Discovery: System Language Discovery
              PID:2564
              • C:\Windows\SysWOW64\net.exe
                net user
                5⤵
                • System Location Discovery: System Language Discovery
                PID:2596
                • C:\Windows\SysWOW64\net1.exe
                  C:\Windows\system32\net1 user
                  6⤵
                  • System Location Discovery: System Language Discovery
                  PID:2540
            • C:\Windows\SysWOW64\cmd.exe
              "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
              4⤵
                PID:2904
                • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe
                  C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe -i
                  5⤵
                    PID:2896
                    • 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:468
              • C:\Windows\SysWOW64\cmd.exe
                "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CFHDBFIEGIDG" & exit
                3⤵
                  PID:2708
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 10
                    4⤵
                    • Delays execution with timeout.exe
                    PID:672

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\ProgramData\KEBKJDBAAKJD\JJECGH

              Filesize

              92KB

              MD5

              6093b9b9effe107a1958b5e8775d196a

              SHA1

              f86ede48007734aebe75f41954ea1ef64924b05e

              SHA256

              a10b04d057393f5974c776ed253909cafcd014752a57da2971ae0dddfa889ab0

              SHA512

              2d9c20a201655ffcce71bfafa71b79fe08eb8aa02b5666588302608f6a14126a5a1f4213a963eb528514e2ea2b17871c4c5f9b5ef89c1940c40c0718ec367a77

            • 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\94308059B57B3142E455B38A6EB92015

              Filesize

              342B

              MD5

              98175e4a61f75c04540f569648fb4891

              SHA1

              2e30b909a82bfc44a847e623943a575ad2b422d2

              SHA256

              bc005cb9cd7388fe3fe6ac32135e2ea73317420d513311321233e6fea0a91ad6

              SHA512

              6a14d5a29beb89f527b8f617b0a1119e10a86d77401b74ec7c602e697192c9a78085b0906d48f7884d80ee22ca6941b0a45642586479ce3c11df2986a869ed8c

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

              Filesize

              400B

              MD5

              4b20fbb42aeeeeada81d5ef22077c11d

              SHA1

              e85d25c9cad121412b1f940fdb54343a03eaa397

              SHA256

              eb952eea41318c76407361379d6d71363ea85a81c72e190df9ea9196bb787ced

              SHA512

              8c91baf36662588dac38e2f27261af0815483cb539cfe628a449a3b2965c189beec533f3425dea6f8b8078334cb731cf7b6181dc30b57f5ea947285c4616e7f3

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\Q0WBLVJY\76561199780418869[1].htm

              Filesize

              33KB

              MD5

              3f4dc27778a89bf9e99c97c4e5339f42

              SHA1

              0d58101f7b1c4016af73144e5d76c5c811cadeba

              SHA256

              c7131ee0c637274bf3fb741114b3baf7d4ccb929087e00950dd8e327a8dc27c5

              SHA512

              78185f8058e4b701cce65990bb8378d640825869b78b7a143029d9ecb022dd67f35f04fddc6b99588950339b7501976625908211c0770f6d6b7de46d4a72ceb2

            • C:\Users\Admin\AppData\Local\Temp\Cab5F61.tmp

              Filesize

              70KB

              MD5

              49aebf8cbd62d92ac215b2923fb1b9f5

              SHA1

              1723be06719828dda65ad804298d0431f6aff976

              SHA256

              b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

              SHA512

              bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

            • C:\Users\Admin\AppData\Local\Temp\Tar5F83.tmp

              Filesize

              181KB

              MD5

              4ea6026cf93ec6338144661bf1202cd1

              SHA1

              a1dec9044f750ad887935a01430bf49322fbdcb7

              SHA256

              8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

              SHA512

              6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

            • \Program Files\RDP Wrapper\rdpwrap.dll

              Filesize

              114KB

              MD5

              461ade40b800ae80a40985594e1ac236

              SHA1

              b3892eef846c044a2b0785d54a432b3e93a968c8

              SHA256

              798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

              SHA512

              421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

            • \ProgramData\JDAFHCGIJE.exe

              Filesize

              376KB

              MD5

              47697a60a96c5adef362d8da9a274b7d

              SHA1

              16dbc512f121c27e2cb48a61d6dcf166aa792e0d

              SHA256

              63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

              SHA512

              4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

            • \ProgramData\JKJECBAAAF.exe

              Filesize

              403KB

              MD5

              f73186df5a030cf7f186b0737c3af1f7

              SHA1

              d15e45feefbbc010db92ae897d80bc7419c0d046

              SHA256

              05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

              SHA512

              a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

            • \ProgramData\KFHCAEGCBF.exe

              Filesize

              71KB

              MD5

              8c46913fba5ca6a0cb8c4e839ef3a3ae

              SHA1

              95efa5e6909359a0d30e95b8eead7d0116f8b693

              SHA256

              1268e903700241813c51a97af8513c97306fcdc6987f4c7e2e0ec02eb71bd6cb

              SHA512

              b011191a827d75c9018d50ba3df0ba045bb4ef8000711dcdd1b117f9d257b2fe1f9722c38fe61bcabcca58dbe281fd7605f43ca3b339b428bcc6f5c3a5b8ec6e

            • \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

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

              Filesize

              1.7MB

              MD5

              c213162c86bb943bcdf91b3df381d2f6

              SHA1

              8ec200e2d836354a62f16cdb3eed4bb760165425

              SHA256

              ac91b2a2db1909a2c166e243391846ad8d9ede2c6fcfd33b60acf599e48f9afc

              SHA512

              b3ead28bb1f4b87b0c36c129864a8af34fc11e5e9feaa047d4ca0525bec379d07c8efee259ede8832b65b3c03ef4396c9202989249199f7037d56439187f147b

            • memory/1592-498-0x00000000733AE000-0x00000000733AF000-memory.dmp

              Filesize

              4KB

            • memory/1592-531-0x00000000733A0000-0x0000000073A8E000-memory.dmp

              Filesize

              6.9MB

            • memory/1592-794-0x00000000733A0000-0x0000000073A8E000-memory.dmp

              Filesize

              6.9MB

            • memory/1592-507-0x00000000010B0000-0x0000000001112000-memory.dmp

              Filesize

              392KB

            • memory/1612-581-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/1612-795-0x0000000020170000-0x00000000203CF000-memory.dmp

              Filesize

              2.4MB

            • memory/1612-774-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/1612-754-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/1644-521-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1644-529-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1644-520-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1644-522-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1644-519-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1644-523-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1644-527-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/1692-614-0x00000000004A0000-0x00000000004B8000-memory.dmp

              Filesize

              96KB

            • memory/1692-605-0x0000000001330000-0x0000000001348000-memory.dmp

              Filesize

              96KB

            • memory/2180-14-0x0000000074B80000-0x000000007526E000-memory.dmp

              Filesize

              6.9MB

            • memory/2180-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

              Filesize

              4KB

            • memory/2180-1-0x0000000001260000-0x00000000012C8000-memory.dmp

              Filesize

              416KB

            • memory/2180-346-0x0000000074B80000-0x000000007526E000-memory.dmp

              Filesize

              6.9MB

            • memory/2276-549-0x00000000011F0000-0x0000000001258000-memory.dmp

              Filesize

              416KB

            • memory/2740-425-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-18-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-9-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-6-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-444-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

              Filesize

              4KB

            • memory/2740-4-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-382-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-16-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-7-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-3-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-363-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-358-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-212-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-197-0x0000000020420000-0x000000002067F000-memory.dmp

              Filesize

              2.4MB

            • memory/2740-5-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-13-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-178-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2740-159-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2896-784-0x0000000000400000-0x00000000005BE000-memory.dmp

              Filesize

              1.7MB