Analysis

  • max time kernel
    93s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-09-2024 19:05

General

  • Target

    e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe

  • Size

    403KB

  • MD5

    e02a6087d9257c00071b3cc1508a95ef

  • SHA1

    8081f2bd757d470e08711133cfb7a4ca17f2fb1f

  • SHA256

    e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811

  • SHA512

    51bf529586489576b9c1f4fc204dc15328a30a929f8d96c47bd13fe04f8aab43b45ba53352818b26af3f20d5ca86c6b7ec4f9bb750052b2b079a079092830fbc

  • SSDEEP

    12288:mo5mDRjeDmJaLmihjPYAGBJMJuydlSJstPJYHH0fwsMMGEO:mlRWlLmMjPYAGzuldsncwzBt

Malware Config

Extracted

Family

vidar

Version

11

Botnet

6c8ce6f422a1d9cf34f23d1c2168e754

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

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://ghostreedmnu.shop/api

https://gutterydhowi.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 20 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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 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.

  • 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 8 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 47 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe
    "C:\Users\Admin\AppData\Local\Temp\e0f1b468770374dc01046cd48f25609b5e04724a79323a049f02673ea0bcc811.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1232
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4748
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
        • Checks computer location settings
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2676
        • C:\ProgramData\CBFCBKKFBA.exe
          "C:\ProgramData\CBFCBKKFBA.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2236
          • 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:4976
        • C:\ProgramData\ECFCBKJDBF.exe
          "C:\ProgramData\ECFCBKJDBF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3132
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:4316
            • 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:3852
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\EHDGIJJDGCBK" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3992
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:464

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\ProgramData\CBFCBKKFBA.exe

        Filesize

        376KB

        MD5

        16f5b27c9e1376c17b03bf8c5090db3c

        SHA1

        676145ab7ca93e0463b931e6a056804b8f42119e

        SHA256

        7952e7769a991c349cc092b9cb3d1505405e793b526f49c784c343dd7d3cd227

        SHA512

        23fe6e23e80257469c09ba68b2c78ee6b3c03700e8173eff4e2ca94964ad3ab8f2b0cb20dd01e483bf6b7d8de1138bc946cebba6bec10d78e7ccec6dc0c3cb5e

      • C:\ProgramData\CGCFCBAKKFBF\DAFCAA

        Filesize

        160KB

        MD5

        f310cf1ff562ae14449e0167a3e1fe46

        SHA1

        85c58afa9049467031c6c2b17f5c12ca73bb2788

        SHA256

        e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

        SHA512

        1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

      • C:\ProgramData\ECFCBKJDBF.exe

        Filesize

        403KB

        MD5

        2cce29d734ea1d227b338834698e2de4

        SHA1

        41700cd1bcf5f5bcca81ce722ed47fc17bd030c2

        SHA256

        f75acf936390f89239c43552717efb65c4c3190b16a7eec62dcd0053a045e91d

        SHA512

        ea0b440113a225764b38ae2526a10f7e4f3081e4a353e9831cf0e846ac7ba97ea7c2b4a12ab6fac5708a7855da8967f1b6bc661757dc68d819d11887a6af20b5

      • C:\ProgramData\mozglue.dll

        Filesize

        593KB

        MD5

        c8fd9be83bc728cc04beffafc2907fe9

        SHA1

        95ab9f701e0024cedfbd312bcfe4e726744c4f2e

        SHA256

        ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

        SHA512

        fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

      • C:\ProgramData\nss3.dll

        Filesize

        2.0MB

        MD5

        1cc453cdf74f31e4d913ff9c10acdde2

        SHA1

        6e85eae544d6e965f15fa5c39700fa7202f3aafe

        SHA256

        ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

        SHA512

        dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

      • 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

        f41da8fe41b22b9d3703abcbcd725e9a

        SHA1

        00813e70f943f1d38e4a540425270ca167784161

        SHA256

        7371296fb762d26a5ec6230bfdb540dea399e0da85f14e3f657869041b3d3b47

        SHA512

        d26c5e69a0f05421ea7eea8a89b2a3dbe2c32147f2a91286d8b9e641f28120636aeb54c14894c8914b24b193b07ce7d5c73d4e2a942ebc10f4736c65424e32b6

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\T1CTRFUW\76561199780418869[1].htm

        Filesize

        33KB

        MD5

        77f2d3bc2e718ae4ae3bdc7089a91338

        SHA1

        928a5aa6bdc3c174d72fb67a00495d7a7c00ebe9

        SHA256

        efeec093ff9ca9fe46ba2f7d34b7b616b4cea71073e988085907eeb1560a9f81

        SHA512

        9b4e8e3a7865c2ff06c5ffcd09cb69044a0318ec34672a7b9a8df5aa6f3a02191cd0e165ca49c7d05a896e59df99f2cd345e396ce29edfc791e31db458d63e88

      • memory/1232-11-0x0000000074D60000-0x0000000075510000-memory.dmp

        Filesize

        7.7MB

      • memory/1232-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

        Filesize

        4KB

      • memory/1232-78-0x0000000074D60000-0x0000000075510000-memory.dmp

        Filesize

        7.7MB

      • memory/1232-1-0x0000000000C50000-0x0000000000CB8000-memory.dmp

        Filesize

        416KB

      • memory/2236-112-0x0000000072640000-0x0000000072DF0000-memory.dmp

        Filesize

        7.7MB

      • memory/2236-105-0x0000000000BC0000-0x0000000000C22000-memory.dmp

        Filesize

        392KB

      • memory/2236-104-0x000000007264E000-0x000000007264F000-memory.dmp

        Filesize

        4KB

      • memory/2236-157-0x0000000072640000-0x0000000072DF0000-memory.dmp

        Filesize

        7.7MB

      • memory/2676-36-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-86-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-87-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-77-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-53-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-52-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-19-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-35-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-79-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-20-0x00000000229E0000-0x0000000022C3F000-memory.dmp

        Filesize

        2.4MB

      • memory/2676-18-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2676-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3132-127-0x0000000000C50000-0x0000000000CB8000-memory.dmp

        Filesize

        416KB

      • memory/3852-140-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3852-129-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3852-133-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3852-131-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3852-141-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3852-142-0x00000000222E0000-0x000000002253F000-memory.dmp

        Filesize

        2.4MB

      • memory/3852-156-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/3852-158-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/4976-113-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

      • memory/4976-110-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB

      • memory/4976-107-0x0000000000400000-0x0000000000465000-memory.dmp

        Filesize

        404KB