Analysis

  • max time kernel
    270s
  • max time network
    267s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 22:44

General

  • Target

    84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe

  • Size

    394KB

  • MD5

    64bb15a561342db08d8362ab5b83f37f

  • SHA1

    9fcd468bc8ebcc5dd1bf98329824bb5fc8c2b255

  • SHA256

    84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d

  • SHA512

    4e558b7e8353458adc6066ec8a363ce82810483185b40a7e5a64aedc29aff71b8362e68c54e679c2a63a76bdeb400d5f8f6ef6ce91646589c08d52c4ee9e3a53

  • SSDEEP

    12288:hLHiRiF5lT7ODeIbuH5+zte+NyLt/8DERu:hLHiReODeIbuH5gtbNyiE

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

Signatures

  • Detect Vidar Stealer 22 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 16 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.

  • Program crash 1 IoCs
  • 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
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: LoadsDriver 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe
    "C:\Users\Admin\AppData\Local\Temp\84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2740
    • 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:1568
      • C:\ProgramData\EBKKKEGIDB.exe
        "C:\ProgramData\EBKKKEGIDB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1280
        • 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:844
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 844 -s 252
            5⤵
            • Program crash
            PID:1708
      • C:\ProgramData\KEGDAKEHJD.exe
        "C:\ProgramData\KEGDAKEHJD.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1292
        • 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
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          PID:1676
      • C:\ProgramData\EHDHDHIECG.exe
        "C:\ProgramData\EHDHDHIECG.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1608
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c net user
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1628
          • C:\Windows\SysWOW64\net.exe
            net user
            5⤵
            • System Location Discovery: System Language Discovery
            PID:2820
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 user
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2592
        • C:\Windows\SysWOW64\cmd.exe
          "cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\RDPWInst.exe" -i
          4⤵
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:2424
          • 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
            PID:2436
            • 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:2500
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\BAEHIEBGHDAF" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2856
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:1620

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • 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

    fadb22033d05fe32d70bbfa157cf64f2

    SHA1

    c955c1018aa8adecaeba3c32fa3de1270a2acee1

    SHA256

    7a356a5eff95275a8b3b1caa95a6bdcc00b212187da7591c81626959a4ed0608

    SHA512

    d2764a86e4952a1f35b94f33f6062d3fa0ca34c9036f86661df2ae4ed94150077c8a9b6f5fa16f26d669ef115f2582f64f76e2f14e64b8f25b5a2a9bf69e5f82

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

    Filesize

    400B

    MD5

    de3d39ddf6af739dba095de7366ce06f

    SHA1

    fa3092b6c6a31c5d11bc309572d18f3b3f83f3e5

    SHA256

    301f0c3ce5e9dacc7916e9a5d1d4d4b1733445fab28cce93f32529b122d00b0b

    SHA512

    b3d4bd5fef148deeb9ae91340350221d716d4fc9fd65cdd9b116bfdb36b42b05ae12fa8dae81f278b6d2d009984370f375b4b2b341795b0d7938b05430165171

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\UQFHO95Z\76561199780418869[1].htm

    Filesize

    33KB

    MD5

    05cf7e8ad0a47c85a26e18152e13095d

    SHA1

    deda0f5923436525b4e3dfddc17b214741bd879d

    SHA256

    2e4552fe97dce7a8806f7dbde5306fb44b32852140e3ec2d1c1e1ef315b3218b

    SHA512

    927cae5862081c0de6e809512a26fdf86b466ece85eeff381480b273d15347e1d378fd9a5aa3dd8802d98db2fa1a8b80bc18a65e09a355262d121ba1f5e8a665

  • C:\Users\Admin\AppData\Local\Temp\CabD0D.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

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

    Filesize

    1.7MB

    MD5

    c213162c86bb943bcdf91b3df381d2f6

    SHA1

    8ec200e2d836354a62f16cdb3eed4bb760165425

    SHA256

    ac91b2a2db1909a2c166e243391846ad8d9ede2c6fcfd33b60acf599e48f9afc

    SHA512

    b3ead28bb1f4b87b0c36c129864a8af34fc11e5e9feaa047d4ca0525bec379d07c8efee259ede8832b65b3c03ef4396c9202989249199f7037d56439187f147b

  • C:\Users\Admin\AppData\Local\Temp\TarD2F.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\EBKKKEGIDB.exe

    Filesize

    376KB

    MD5

    47697a60a96c5adef362d8da9a274b7d

    SHA1

    16dbc512f121c27e2cb48a61d6dcf166aa792e0d

    SHA256

    63d86693917598df88d518c057c7680b5bd2de9add384425f81ead95eee18dba

    SHA512

    4f18db753fbd9f08842630dd2ac97dc6b368269c80dfc8a2f880baa80010db013c8168a6c19465f5d843ae135b162a63eb2dc1c48ea93c5b255868c77c591a17

  • \ProgramData\EHDHDHIECG.exe

    Filesize

    72KB

    MD5

    8a4026e4d33a227ff1df5837235782c5

    SHA1

    b6ea86727f17ebfea03651354c8380d0803fcfb9

    SHA256

    d11fd3327306f59f4e433a5467e9a84d5346f3f2047fe1597f58f052f753bc1e

    SHA512

    9eedd4d2b2382d532fff82097cbc3e63ff11ad4506830278af8398a1571bcfb34043164ca8737cbbca0d36d371a53b71d8507d50c02ea7ddb2e199f2385ce092

  • \ProgramData\KEGDAKEHJD.exe

    Filesize

    403KB

    MD5

    f73186df5a030cf7f186b0737c3af1f7

    SHA1

    d15e45feefbbc010db92ae897d80bc7419c0d046

    SHA256

    05c67a9765fe1ebebcedaee376f87a803d7cd37e6c5c19f7d336c2f14a4ef207

    SHA512

    a6e4d6e34748fa8fb9153e2104cf49cc36af9b22e29c8df050de0db4e14e9dd18ed178b4bbacd6289a0a55b465c996fb931799ba970dfe559c85215db7e31df1

  • \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/844-509-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/844-508-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/844-511-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/844-512-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/844-515-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/844-517-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/844-507-0x0000000000400000-0x0000000000465000-memory.dmp

    Filesize

    404KB

  • memory/1280-528-0x00000000732F0000-0x00000000739DE000-memory.dmp

    Filesize

    6.9MB

  • memory/1280-496-0x00000000010A0000-0x0000000001102000-memory.dmp

    Filesize

    392KB

  • memory/1280-495-0x00000000732FE000-0x00000000732FF000-memory.dmp

    Filesize

    4KB

  • memory/1292-546-0x0000000001060000-0x00000000010C8000-memory.dmp

    Filesize

    416KB

  • memory/1568-157-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-13-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-422-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-379-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-360-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-229-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-210-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-195-0x0000000020390000-0x00000000205EF000-memory.dmp

    Filesize

    2.4MB

  • memory/1568-176-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-8-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-4-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-6-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-7-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-16-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-441-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-11-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1568-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1608-602-0x0000000001240000-0x0000000001258000-memory.dmp

    Filesize

    96KB

  • memory/1608-603-0x00000000001F0000-0x0000000000208000-memory.dmp

    Filesize

    96KB

  • memory/1676-571-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-573-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-559-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-569-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1676-563-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-565-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-567-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-561-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-790-0x0000000020490000-0x00000000206EF000-memory.dmp

    Filesize

    2.4MB

  • memory/1676-570-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-771-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/1676-752-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2436-688-0x0000000000400000-0x00000000005BE000-memory.dmp

    Filesize

    1.7MB

  • memory/2740-1-0x0000000000D40000-0x0000000000DA8000-memory.dmp

    Filesize

    416KB

  • memory/2740-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/2740-14-0x0000000074A80000-0x000000007516E000-memory.dmp

    Filesize

    6.9MB