Analysis

  • max time kernel
    140s
  • 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
    24/08/2024, 01:27

General

  • Target

    b44da8b65f59bab4823e857a8d148ba663a99d6ba9d6e88f7db3cddfb1438ac2.exe

  • Size

    191KB

  • MD5

    f03b96b5a46ecbeda6d4616d7a3a5a5f

  • SHA1

    90da4ae7a9cb8220b5c6bf9da2e8514e97201198

  • SHA256

    b44da8b65f59bab4823e857a8d148ba663a99d6ba9d6e88f7db3cddfb1438ac2

  • SHA512

    5c64c1ab62111a7e130c20e78044151ea93cdafe0e189c3e638efe4d571515fa1976ef50a49669c0b37e21c5f7002c05cb7261e55876d08823e197658cd3a0b4

  • SSDEEP

    3072:jZPX+SvXtkH5lRyG2JvFHwsvAED9CCptF6b2/FxHfn2FzfcesF14B2lOLKYzEO:jFnY5lRyfJNQsvAEDI+tF6b2LHPQvszi

Malware Config

Extracted

Family

vidar

Version

10.8

Botnet

3cd4672c6baedc17edab0cb86e9453d1

C2

https://t.me/jamelwt

https://steamcommunity.com/profiles/76561199761128941

https://t.me/iyigunl

Attributes
  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Extracted

Family

lumma

C2

https://millyscroqwp.shop/api

https://locatedblsoqp.shop/api

https://traineiwnqo.shop/api

https://condedqpwqm.shop/api

https://stagedchheiqwo.shop/api

https://stamppreewntnq.shop/api

https://caffegclasiqwp.shop/api

https://tenntysjuxmz.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.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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 2 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 56 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b44da8b65f59bab4823e857a8d148ba663a99d6ba9d6e88f7db3cddfb1438ac2.exe
    "C:\Users\Admin\AppData\Local\Temp\b44da8b65f59bab4823e857a8d148ba663a99d6ba9d6e88f7db3cddfb1438ac2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:516
    • 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:616
      • C:\ProgramData\CBFIJEGIDB.exe
        "C:\ProgramData\CBFIJEGIDB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5040
        • 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:4872
      • C:\ProgramData\HCGCBFHCFC.exe
        "C:\ProgramData\HCGCBFHCFC.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          4⤵
            PID:1356
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            4⤵
              PID:648
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
              4⤵
                PID:1064
              • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                4⤵
                  PID:4964
                • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
                  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
                  4⤵
                    PID:3508
                  • 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:1676
                • C:\Windows\SysWOW64\cmd.exe
                  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DBKFHCFBGIIJ" & exit
                  3⤵
                  • System Location Discovery: System Language Discovery
                  • Suspicious use of WriteProcessMemory
                  PID:4748
                  • C:\Windows\SysWOW64\timeout.exe
                    timeout /t 10
                    4⤵
                    • System Location Discovery: System Language Discovery
                    • Delays execution with timeout.exe
                    PID:2828

            Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\ProgramData\BKFIJJEGHDAE\BGDBKK

                    Filesize

                    160KB

                    MD5

                    f310cf1ff562ae14449e0167a3e1fe46

                    SHA1

                    85c58afa9049467031c6c2b17f5c12ca73bb2788

                    SHA256

                    e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

                    SHA512

                    1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

                  • C:\ProgramData\CBFIJEGIDB.exe

                    Filesize

                    289KB

                    MD5

                    473b9ad33b858c5c75efa39223c6ae4a

                    SHA1

                    8136de420a823de5b770bbf7ffdadd3c8ba61a87

                    SHA256

                    21fe74d256855f3750198ca785fc5dd0344f663fb9c7248ed22b00193efd322a

                    SHA512

                    ebe157db43b1b4a8324a9eab790cc5d388d66c1906e015ce96e54f379e2866d754c289ca56726b72d888d9316c38fa3af7f3603f5b42277c678b10ee850c2a60

                  • C:\ProgramData\HCGCBFHCFC.exe

                    Filesize

                    191KB

                    MD5

                    061d8703e1b09de4efc023a101b71f57

                    SHA1

                    1ea25ec8b1d71ee3758bb12206eb6c809a96aad7

                    SHA256

                    7697845878a15c8e8189a96dc92a0c50e52c4aa43233c1821a94f6a774005949

                    SHA512

                    f03984a41e8a22d157ff073d23402f6cf8e33c5ab0aabbb469a1e617acfbd63e7fb6925c51ac8609caceb43c3e76528a313ea179777404951c7cccd00e00abcd

                  • 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\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

                    Filesize

                    2KB

                    MD5

                    41a2c3fddd3909dbeea0772de0fef843

                    SHA1

                    802e1409890284661b2050a337f04a4889859cb4

                    SHA256

                    54b7ed9f11c581f3f872bbb049e4f0b4f0ba5e008bdb00c20edd515d0322a0a6

                    SHA512

                    a3aac835d7dee5ae5e6a1475bb2f4f8e6b408d3248c47e59d8eb4107fc85e32704a203d111248ad5d90f9a4383b57a4a1c9500a1cd652579968e8d73269137a5

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

                    Filesize

                    2KB

                    MD5

                    7b6fe1be88e704820d8977f4629e7408

                    SHA1

                    55392999b6ef3bf3e21650de98f3e2541bf1700c

                    SHA256

                    62019ead810efe4846c4e8f46e333f32a6910831294dcc2a311ff41e90f02f6c

                    SHA512

                    246cadf46018e10d534c3fe9f9840d6b9d3dbac056f2ee623a7cc22a3a3748713d56fffce4a7ed1a569425053dfa9ce277a4f2d88506c0fb68bcb28499ca1a04

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

                    Filesize

                    1KB

                    MD5

                    85ca20bf85f8407581504da0fa5e7a21

                    SHA1

                    0539eba0b03728214d4f6328b0a6aa575340cefd

                    SHA256

                    209641529007d2ccad58749d02695f1be5c5747147bcec93b7d47eee54fa76f6

                    SHA512

                    a005161778b0790224a3ca00d3c9ec930c9255881ddfe66758a1d60ac12b61f27253058d8aa5fb83259de65803e77c212d4c7215d8ae3979d9dd47b89e9c0c17

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\156887258BBD6E1FEF562837733EA04E_5BBC02CEDFD3F7AC9E268D830CF231EE

                    Filesize

                    458B

                    MD5

                    f02f37c86949cf6288aaf25c584136eb

                    SHA1

                    cc55983d9b43562cc5b6d4b879a95aac87201506

                    SHA256

                    8f5c38ddc6b9886eb8f04d3c5de7d610b65f9786d9b3ccf38627c24a5cd0e7f5

                    SHA512

                    dc449f05d73bbd9e84d222e5bc5b8500e005dfeb1168c6fddc5b712806bc81c68557dc053c3c14189e68c3c0ee68f957ca885f533be9a4bf88ceac61e875822f

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\223DE96EE265046957A660ED7C9DD9E7_EFF9B9BA98DEAA773F261FA85A0B1771

                    Filesize

                    450B

                    MD5

                    d6339717346e89f7624af9851c46caa7

                    SHA1

                    4f4d0b3a6351347de7ca0083cd5fc2a1a3525416

                    SHA256

                    e9d76ced2036a058b8343cdb023032e890e9bb167eb63f813544efabc23603b2

                    SHA512

                    70cb09cf2d8f012ee5f6b38e99b4d8392afc04512915c97d50a84b2cbd05d9bf15a62e8a026d0ad9cfcd1dbd94b002f9862ce3597788339928d8c14791565c73

                  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\EB2C4AB8B68FFA4B7733A9139239A396_D76DB901EE986B889F30D8CC06229E2D

                    Filesize

                    458B

                    MD5

                    ea44662edd1f305cc08da460093068f8

                    SHA1

                    b473ef0ce3a99fca70d6741c85e50efb6a932057

                    SHA256

                    98cb070e87b0776aa68dbda5c1791fe260568df8d47d7b4ab91e5b680ddf7e52

                    SHA512

                    2d8384455c9c7826dba1b371c553e16ac504fc18f14eb5088977b6816ce4bb86308f74788b716c53953ebedd023b795c502dfae538d9772152d00ac4a5a8001d

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H9MX5QVK\sql[1].dll

                    Filesize

                    2.3MB

                    MD5

                    90e744829865d57082a7f452edc90de5

                    SHA1

                    833b178775f39675fa4e55eab1032353514e1052

                    SHA256

                    036a57102385d7f0d7b2deacf932c1c372ae30d924365b7a88f8a26657dd7550

                    SHA512

                    0a2d112ff7cb806a74f5ec17fe097d28107bb497d6ed5ad28ea47e6795434ba903cdb49aaf97a9a99c08cd0411f1969cad93031246dc107c26606a898e570323

                  • memory/516-1-0x0000000000C60000-0x0000000000C94000-memory.dmp

                    Filesize

                    208KB

                  • memory/516-67-0x00000000744D0000-0x0000000074C80000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/516-11-0x00000000744D0000-0x0000000074C80000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/516-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

                    Filesize

                    4KB

                  • memory/616-8-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-89-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-96-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-97-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-6-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-22-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-24-0x0000000022870000-0x0000000022ACF000-memory.dmp

                    Filesize

                    2.4MB

                  • memory/616-21-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-39-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-40-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-56-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-3-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-57-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/616-88-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1676-149-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1676-150-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1676-152-0x000000001FA90000-0x000000001FCEF000-memory.dmp

                    Filesize

                    2.4MB

                  • memory/1676-166-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/1676-167-0x0000000000400000-0x0000000000641000-memory.dmp

                    Filesize

                    2.3MB

                  • memory/4872-120-0x0000000000400000-0x000000000044F000-memory.dmp

                    Filesize

                    316KB

                  • memory/4872-117-0x0000000000400000-0x000000000044F000-memory.dmp

                    Filesize

                    316KB

                  • memory/4872-114-0x0000000000400000-0x000000000044F000-memory.dmp

                    Filesize

                    316KB

                  • memory/4952-134-0x0000000000F60000-0x0000000000F94000-memory.dmp

                    Filesize

                    208KB

                  • memory/5040-119-0x0000000071AB0000-0x0000000072260000-memory.dmp

                    Filesize

                    7.7MB

                  • memory/5040-112-0x0000000000B50000-0x0000000000B9C000-memory.dmp

                    Filesize

                    304KB

                  • memory/5040-111-0x0000000071ABE000-0x0000000071ABF000-memory.dmp

                    Filesize

                    4KB