Analysis

  • max time kernel
    92s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 13:29

General

  • Target

    file.exe

  • Size

    404KB

  • MD5

    07beff810640c60bf60464f5e1efb5b0

  • SHA1

    2af2ee421ae26a98f9775bfe46821ffb47b406d3

  • SHA256

    2161f38eb7e940f7dadbf1cff93e3219846ad9dd1d181aceadddd9b1f549bf70

  • SHA512

    1ed5082b2652d1253c13803c3607afe4befa564c03f1203a6ad157f0187482382d7a1438e34a95667495c89a6ebe020d838fe61ec7f697de865fc55a3b031fa5

  • SSDEEP

    12288:eQn647UR3tHxUAbjUgMhcdMnAXTwHqsEO:z647UTjXUgVXTrst

Malware Config

Extracted

Family

vidar

Version

11

Botnet

c8450254a9a0920212cb81ae7f386da3

C2

https://t.me/jamsemlg

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

lumma

C2

https://fragnantbui.shop/api

Signatures

  • Detect Vidar Stealer 17 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).

  • Program crash 2 IoCs
  • 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 50 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:5072
    • 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:2404
      • C:\ProgramData\AFIIIIJKFC.exe
        "C:\ProgramData\AFIIIIJKFC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1392
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:2988
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:1672
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:920
              • 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:4276
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 1360
                  5⤵
                  • Program crash
                  PID:3248
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 4276 -s 1376
                  5⤵
                  • Program crash
                  PID:4356
            • C:\ProgramData\CGCFCBAKKF.exe
              "C:\ProgramData\CGCFCBAKKF.exe"
              3⤵
              • Executes dropped EXE
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              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
                • Checks processor information in registry
                • Suspicious behavior: EnumeratesProcesses
                PID:3516
            • C:\Windows\SysWOW64\cmd.exe
              "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGIJJKEHCAKE" & exit
              3⤵
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3596
              • C:\Windows\SysWOW64\timeout.exe
                timeout /t 10
                4⤵
                • System Location Discovery: System Language Discovery
                • Delays execution with timeout.exe
                PID:4388
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 204 -p 4276 -ip 4276
          1⤵
            PID:2316
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 4276 -ip 4276
            1⤵
              PID:800

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\ProgramData\AFIIIIJKFC.exe

              Filesize

              371KB

              MD5

              052eafad306073dc67e384f1f371c415

              SHA1

              27b45865e79e48634533d3971ddf2a0164c4f3bb

              SHA256

              9136c32467cd79e8fdb7ea154540093c005c6cf636bc52d7af6caf170a1a828b

              SHA512

              ad82848aca1d1c7af997c35ebd7fa6a04d01b8d09ab89f6ebeb41fd3c1b147507d6a110602fa3b6a6087b3d1ccf30d9e81f2b76af431da28dc81f4b3c6bd032d

            • C:\ProgramData\CGCFCBAKKF.exe

              Filesize

              404KB

              MD5

              07beff810640c60bf60464f5e1efb5b0

              SHA1

              2af2ee421ae26a98f9775bfe46821ffb47b406d3

              SHA256

              2161f38eb7e940f7dadbf1cff93e3219846ad9dd1d181aceadddd9b1f549bf70

              SHA512

              1ed5082b2652d1253c13803c3607afe4befa564c03f1203a6ad157f0187482382d7a1438e34a95667495c89a6ebe020d838fe61ec7f697de865fc55a3b031fa5

            • C:\ProgramData\EHDGIJJDGCBK\CGDGIJ

              Filesize

              160KB

              MD5

              f310cf1ff562ae14449e0167a3e1fe46

              SHA1

              85c58afa9049467031c6c2b17f5c12ca73bb2788

              SHA256

              e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

              SHA512

              1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

            • 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\8B2B9A00839EED1DFDCCC3BFC2F5DF12

              Filesize

              1KB

              MD5

              7fb5fa1534dcf77f2125b2403b30a0ee

              SHA1

              365d96812a69ac0a4611ea4b70a3f306576cc3ea

              SHA256

              33a39e9ec2133230533a686ec43760026e014a3828c703707acbc150fe40fd6f

              SHA512

              a9279fd60505a1bfeef6fb07834cad0fd5be02fd405573fc1a5f59b991e9f88f5e81c32fe910f69bdc6585e71f02559895149eaf49c25b8ff955459fd60c0d2e

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B46811C17859FFB409CF0E904A4AA8F8

              Filesize

              436B

              MD5

              971c514f84bba0785f80aa1c23edfd79

              SHA1

              732acea710a87530c6b08ecdf32a110d254a54c8

              SHA256

              f157ed17fcaf8837fa82f8b69973848c9b10a02636848f995698212a08f31895

              SHA512

              43dc1425d80e170c645a3e3bb56da8c3acd31bd637329e9e37094ac346ac85434df4edcdbefc05ae00aea33a80a88e2af695997a495611217fe6706075a63c58

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8B2B9A00839EED1DFDCCC3BFC2F5DF12

              Filesize

              174B

              MD5

              261ceaa5abdb279649ab112e405e66c1

              SHA1

              041f0418b7b8b1df708494050b9dd1bf15076b17

              SHA256

              b9a1945b35f72d0be70a0f508605055be442020a2783983ef408e69a29a25a9a

              SHA512

              9c72677f39749a78c7d6f85f034df104e010c42a6dc27aed29e6ab71a17385cb2d7a58a116fe7812924610af8db7164aafaf548935f434d0e17f70a25da265cd

            • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B46811C17859FFB409CF0E904A4AA8F8

              Filesize

              170B

              MD5

              8919900ae7709cfdc8832cf73db4b838

              SHA1

              6429bcf765acec13da5db0e3e2d681e991963631

              SHA256

              62afa206b78b011d4a7a6d3ee2820ec347ce2c9b93248c740320af29810748f7

              SHA512

              63bc1768bc88702ddcbd50769ca5a76da175170acd7f29bddcac1c95e80795f24120932af5eedb3887dd6583676ed6419ba9b875e9858524b2d642251cb6488b

            • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\THHXO5RX\sql[1].dll

              Filesize

              2.3MB

              MD5

              90e744829865d57082a7f452edc90de5

              SHA1

              833b178775f39675fa4e55eab1032353514e1052

              SHA256

              036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

              SHA512

              0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

            • memory/1392-108-0x00000000728DE000-0x00000000728DF000-memory.dmp

              Filesize

              4KB

            • memory/1392-116-0x00000000728D0000-0x0000000073080000-memory.dmp

              Filesize

              7.7MB

            • memory/1392-109-0x0000000000EA0000-0x0000000000F00000-memory.dmp

              Filesize

              384KB

            • memory/2404-19-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-18-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-84-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-85-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-92-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-3-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-94-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-6-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-21-0x0000000022A10000-0x0000000022C6F000-memory.dmp

              Filesize

              2.4MB

            • memory/2404-54-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-36-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-53-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-37-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/2404-8-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3516-171-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3516-154-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3516-156-0x0000000022740000-0x000000002299F000-memory.dmp

              Filesize

              2.4MB

            • memory/3516-170-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/3516-153-0x0000000000400000-0x0000000000676000-memory.dmp

              Filesize

              2.5MB

            • memory/4276-111-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/4276-152-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/4276-117-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/4276-114-0x0000000000400000-0x0000000000463000-memory.dmp

              Filesize

              396KB

            • memory/5072-0-0x0000000074FCE000-0x0000000074FCF000-memory.dmp

              Filesize

              4KB

            • memory/5072-11-0x0000000074FC0000-0x0000000075770000-memory.dmp

              Filesize

              7.7MB

            • memory/5072-1-0x0000000000150000-0x00000000001BA000-memory.dmp

              Filesize

              424KB

            • memory/5072-93-0x0000000074FC0000-0x0000000075770000-memory.dmp

              Filesize

              7.7MB