Analysis

  • max time kernel
    33s
  • max time network
    299s
  • 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 22:41

General

  • Target

    6e25c012659d74422317726da92134c5e9a70a937a1ceb585b83aeb99eee36fd.exe

  • Size

    403KB

  • MD5

    5456c9b238c54e52277972cdadf6764d

  • SHA1

    512977a16b78c08e9aeb028e06a5995fc36c0d40

  • SHA256

    6e25c012659d74422317726da92134c5e9a70a937a1ceb585b83aeb99eee36fd

  • SHA512

    bf6cfbbc35edcfec8d8dd2c7be5c587b2b43ada1bb1a43620711cc713b122e41b978cfb1b5b0f8dfe107bea00d34de02c7a112926302652f3810a779a818944b

  • SSDEEP

    12288:WAdGQU/9evJZ/vzqp68V09Ij7THMweRdj0EO:DdxJvJNvl+jPR2d4t

Malware Config

Extracted

Family

vidar

Version

11

Botnet

3a15237aa92dcd8ccca447211fb5fc2a

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

Signatures

  • Detect Vidar Stealer 19 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 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6e25c012659d74422317726da92134c5e9a70a937a1ceb585b83aeb99eee36fd.exe
    "C:\Users\Admin\AppData\Local\Temp\6e25c012659d74422317726da92134c5e9a70a937a1ceb585b83aeb99eee36fd.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:2064
      • C:\ProgramData\GDBAKKKFBG.exe
        "C:\ProgramData\GDBAKKKFBG.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2220
        • 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:4120
      • C:\ProgramData\AKEBFCFIJJ.exe
        "C:\ProgramData\AKEBFCFIJJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3812
        • 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:3704
      • C:\ProgramData\BAECFHJEBA.exe
        "C:\ProgramData\BAECFHJEBA.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1312
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c net user
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3540
          • C:\Windows\SysWOW64\net.exe
            net user
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1824
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 user
              6⤵
              • System Location Discovery: System Language Discovery
              PID:5056
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
          4⤵
            PID:3292
            • C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe
              C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe -i
              5⤵
                PID:4512
                • 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:1924
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CAAAFCAKKKFB" & exit
            3⤵
              PID:5076
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • Delays execution with timeout.exe
                PID:2928
        • \??\c:\windows\system32\svchost.exe
          c:\windows\system32\svchost.exe -k networkservice -s TermService
          1⤵
            PID:3592
          • C:\Windows\System32\svchost.exe
            C:\Windows\System32\svchost.exe -k NetworkService -s TermService
            1⤵
              PID:3024

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ProgramData\AKEBFCFIJJ.exe

              Filesize

              403KB

              MD5

              f73186df5a030cf7f186b0737c3af1f7

              SHA1

              d15e45feefbbc010db92ae897d80bc7419c0d046

              SHA256

              05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

              SHA512

              a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

            • C:\ProgramData\BAECFHJEBA.exe

              Filesize

              72KB

              MD5

              8a4026e4d33a227ff1df5837235782c5

              SHA1

              b6ea86727f17ebfea03651354c8380d0803fcfb9

              SHA256

              d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

              SHA512

              9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

            • C:\ProgramData\GDBAKKKFBG.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

              5f7135bc7e6f01a52e76af5e54b95d10

              SHA1

              9c42708981a397b32b5c4e850064e2c9c434695c

              SHA256

              5f01f3c4d18c56f8fe7462957a95dace380896d68abda64f11d23670961dcf63

              SHA512

              68ef5815b7dce1d9ca57f8ea96be634857015171f9fce46dfb898dab85bb6819e3f4a874935b62d3d6d24b8fa0bc7f0962b8c0dd9b97066626d7ebf9cd5575f5

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

              Filesize

              33KB

              MD5

              5b07dbbe3498da1c8090102f29f5440c

              SHA1

              33b0f3be2f7a9de90f30252da2b01b4eb8ca4507

              SHA256

              2ec97549f80a69192f51e37727649b20667a2dc56b590ae16fd15d2349246bae

              SHA512

              267cec1e6abafdacc91664de0632178f53733eb0d5ba22b2957aec0f2f8eba666748a43dc9be7b836d4ec3466bb640fb927f1d8e7505093aca3dfe777c820e9b

            • 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.ini

              Filesize

              433KB

              MD5

              92bc5fedb559357aa69d516a628f45dc

              SHA1

              6468a9fa0271724e70243eab49d200f457d3d554

              SHA256

              85cd5cd634fa8bbbf8d71b0a7d49a58870ef760da6d6e7789452cae4cab28127

              SHA512

              87e210e22631c1a394918859213140a7c54b75aec9bbc4f44509959d15cfa14abcbfeb1adf9cffa11b2e88f84a8708f67e842d859e63394b7f6036ce934c3cc9

            • \Program Files\RDP Wrapper\rdpwrap.dll

              Filesize

              114KB

              MD5

              461ade40b800ae80a40985594e1ac236

              SHA1

              b3892eef846c044a2b0785d54a432b3e93a968c8

              SHA256

              798af20db39280f90a1d35f2ac2c1d62124d1f5218a2a0fa29d87a13340bd3e4

              SHA512

              421f9060c4b61fa6f4074508602a2639209032fd5df5bfc702a159e3bad5479684ccb3f6e02f3e38fb8db53839cf3f41fe58a3acad6ec1199a48dc333b2d8a26

            • \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/1312-115-0x0000000004AE0000-0x0000000004AF8000-memory.dmp

              Filesize

              96KB

            • memory/1312-114-0x0000000000320000-0x0000000000338000-memory.dmp

              Filesize

              96KB

            • memory/2064-37-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-23-0x000000001FBD0000-0x000000001FE2F000-memory.dmp

              Filesize

              2.4MB

            • memory/2064-71-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-72-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-73-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-3-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-20-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-21-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-38-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-8-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-6-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2064-64-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2220-82-0x00000000716CE000-0x00000000716CF000-memory.dmp

              Filesize

              4KB

            • memory/2220-89-0x00000000716C0000-0x0000000071DAE000-memory.dmp

              Filesize

              6.9MB

            • memory/2220-81-0x0000000000B40000-0x0000000000BA2000-memory.dmp

              Filesize

              392KB

            • memory/3704-127-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3704-104-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3704-102-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3704-100-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3704-141-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3704-126-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3704-131-0x0000000020220000-0x000000002047F000-memory.dmp

              Filesize

              2.4MB

            • memory/3704-143-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3812-98-0x00000000003F0000-0x0000000000458000-memory.dmp

              Filesize

              416KB

            • memory/4120-90-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/4120-87-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/4120-84-0x0000000000400000-0x0000000000465000-memory.dmp

              Filesize

              404KB

            • memory/4512-142-0x0000000000400000-0x00000000005BE000-memory.dmp

              Filesize

              1.7MB

            • memory/4740-0-0x00000000733AE000-0x00000000733AF000-memory.dmp

              Filesize

              4KB

            • memory/4740-46-0x00000000733A0000-0x0000000073A8E000-memory.dmp

              Filesize

              6.9MB

            • memory/4740-11-0x00000000733A0000-0x0000000073A8E000-memory.dmp

              Filesize

              6.9MB

            • memory/4740-1-0x00000000000E0000-0x0000000000148000-memory.dmp

              Filesize

              416KB