Analysis

  • max time kernel
    134s
  • 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 22:35

General

  • Target

    3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545.exe

  • Size

    403KB

  • MD5

    77011ba24d1088a963898abc72c6e129

  • SHA1

    08a84da40cb625471026568b2399538399b44f98

  • SHA256

    3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545

  • SHA512

    91e07652791eb55cc4684a97daa119cea2608e03b213675b43751aac9682955e6f36dc7b0ebf471778063182312abbc1dfb9925f95c29399daaeac614c933ba6

  • SSDEEP

    12288:uJ8GsZTOusN+VVrto1ma41z1esugf9xmolEO:uJ8vTOFN+VVZo1ma4B1eQ/met

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 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
  • 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 32 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\3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545.exe
    "C:\Users\Admin\AppData\Local\Temp\3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3296
    • 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:3172
      • C:\ProgramData\CBAEHCAEGD.exe
        "C:\ProgramData\CBAEHCAEGD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3384
        • 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:348
      • C:\ProgramData\FHIDAKFIJJ.exe
        "C:\ProgramData\FHIDAKFIJJ.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4588
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:4632
          • 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:3472
        • C:\ProgramData\BGCAAFHIEB.exe
          "C:\ProgramData\BGCAAFHIEB.exe"
          3⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2268
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /c net user
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4636
            • C:\Windows\SysWOW64\net.exe
              net user
              5⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3840
              • C:\Windows\SysWOW64\net1.exe
                C:\Windows\system32\net1 user
                6⤵
                • System Location Discovery: System Language Discovery
                PID:3528
          • 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:3040
            • 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
              • Suspicious use of WriteProcessMemory
              PID:2820
              • 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:1540
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\FIJDGIJJKEGI" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:744
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2364
    • \??\c:\windows\system32\svchost.exe
      c:\windows\system32\svchost.exe -k networkservice -s TermService
      1⤵
        PID:2616
      • 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:1480

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\BGCAAFHIEB.exe

        Filesize

        72KB

        MD5

        8a4026e4d33a227ff1df5837235782c5

        SHA1

        b6ea86727f17ebfea03651354c8380d0803fcfb9

        SHA256

        d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

        SHA512

        9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

      • C:\ProgramData\CBAEHCAEGD.exe

        Filesize

        376KB

        MD5

        47697a60a96c5adef362d8da9a274b7d

        SHA1

        16dbc512f121c27e2cb48a61d6dcf166aa792e0d

        SHA256

        63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

        SHA512

        4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

      • C:\ProgramData\FHIDAKFIJJ.exe

        Filesize

        403KB

        MD5

        f73186df5a030cf7f186b0737c3af1f7

        SHA1

        d15e45feefbbc010db92ae897d80bc7419c0d046

        SHA256

        05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

        SHA512

        a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

      • 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

        966c9ae73cd2b992a801313cd3300670

        SHA1

        d99644eda1c8b0e899e65e537125a68a0e86521b

        SHA256

        92c5a169da6260e215f4ee5fbc3fb6b67f39059f13a3c5e44ea96cd66319be71

        SHA512

        4983dd384b36f5c46d4054fb34259447b96c960703bf0b77c636cf3621d2690237633ecc97e9f67e56a0a52b9ca420d8335056b6c7741aad58dc69bb71d8888d

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

        Filesize

        33KB

        MD5

        320444770aa36955bc1883a1104b7498

        SHA1

        15d050e3ccad7b05f3854165f2931999deea809f

        SHA256

        6ff08d3b42702968ea0df6fa6dec9d3c936942f83a4f5124f52e9f1c81f3d090

        SHA512

        d10e764cf863067c3c2098628aeebc2379e1ab3969651ce1298b375053afa2b4126919858e55db654ef43f37880719ec60dfad0d1d07259d0df54a84316fe9d3

      • 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/348-90-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

      • memory/348-87-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

      • memory/348-84-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

      • memory/2268-115-0x0000000000A60000-0x0000000000A78000-memory.dmp

        Filesize

        96KB

      • memory/2268-114-0x0000000000460000-0x0000000000478000-memory.dmp

        Filesize

        96KB

      • memory/2820-129-0x0000000000400000-0x00000000005BE000-memory.dmp

        Filesize

        1.7MB

      • memory/3172-72-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-64-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-38-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-73-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-20-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-65-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-21-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-37-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-22-0x00000000223F0000-0x000000002264F000-memory.dmp

        Filesize

        2.4MB

      • memory/3172-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3172-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3296-11-0x0000000073090000-0x000000007377E000-memory.dmp

        Filesize

        6.9MB

      • memory/3296-1-0x0000000000120000-0x0000000000188000-memory.dmp

        Filesize

        416KB

      • memory/3296-0-0x000000007309E000-0x000000007309F000-memory.dmp

        Filesize

        4KB

      • memory/3296-57-0x0000000073090000-0x000000007377E000-memory.dmp

        Filesize

        6.9MB

      • memory/3384-82-0x0000000000490000-0x00000000004F2000-memory.dmp

        Filesize

        392KB

      • memory/3384-89-0x0000000071360000-0x0000000071A4E000-memory.dmp

        Filesize

        6.9MB

      • memory/3384-81-0x000000007136E000-0x000000007136F000-memory.dmp

        Filesize

        4KB

      • memory/3472-104-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3472-102-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3472-100-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3472-130-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3472-131-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3472-133-0x000000001FCB0000-0x000000001FF0F000-memory.dmp

        Filesize

        2.4MB

      • memory/3472-142-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3472-143-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4588-98-0x0000000000A90000-0x0000000000AF8000-memory.dmp

        Filesize

        416KB