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Analysis

  • max time kernel
    93s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 01:22

General

  • Target

    5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe

  • Size

    292KB

  • MD5

    89599341387624a951de84b66f9ec572

  • SHA1

    e44a6665fecc1b38903a01c72901ee88e618f077

  • SHA256

    5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5

  • SHA512

    9e7f25b5e6704dc91bbbc9ba1e1528b2c34d81ead50ad3cdf6b3b4911a044e5b9d733d0882316cc97735971ff3aadf9b5117af355a6ca48a6ac96610668465cd

  • SSDEEP

    6144:oE8c1gkq908NkcFaTLaol+j17zPDr/MMUxc4EO:Wc1T78NkeaTLKzLrLAEO

Malware Config

Extracted

Family

vidar

C2

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Extracted

Family

lumma

C2

https://tendencctywop.shop/api

https://tryyudjasudqo.shop/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.

  • 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 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe
    "C:\Users\Admin\AppData\Local\Temp\5c4992108c7c312408fb94508890b2615fbe7fecb09cac3b7a2cf38581e28be5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1172
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:764
      • 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:2968
        • C:\ProgramData\BFBKFHIDHI.exe
          "C:\ProgramData\BFBKFHIDHI.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3420
          • 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:1248
        • C:\ProgramData\JJJJEBGDAF.exe
          "C:\ProgramData\JJJJEBGDAF.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3376
          • 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:2868
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CBFCBKKFBAEH" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1192
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\BFBKFHIDHI.exe

      Filesize

      352KB

      MD5

      6f4a0ae013610785ad54438f4af26f1a

      SHA1

      c8ff55002963dde8457db2b11f68e67a070ddb21

      SHA256

      ccb16a2e8b58be824d838d5607ecd4b07123de87f9fe9e42e64507d77b0f374d

      SHA512

      6f3a30e8ee4ff36cfaac09bfe1272ed4678783c4628dd82e47dd1ef23d4a8ef1c153a9a4e8951cb38b4c7a833f2bc744dbcc7dac1e550b2f44ffadc8181d8ee3

    • C:\ProgramData\DGHJEHJJDAAA\AAKEGI

      Filesize

      160KB

      MD5

      f310cf1ff562ae14449e0167a3e1fe46

      SHA1

      85c58afa9049467031c6c2b17f5c12ca73bb2788

      SHA256

      e187946249cd390a3c1cf5d4e3b0d8f554f9acdc416bf4e7111fff217bb08855

      SHA512

      1196371de08c964268c44103ccaed530bda6a145df98e0f480d8ee5ad58cb6fb33ca4c9195a52181fe864726dcf52e6a7a466d693af0cda43400a3a7ef125fad

    • C:\ProgramData\JJJJEBGDAF.exe

      Filesize

      292KB

      MD5

      a714209db1b2b68a95e680df111922ed

      SHA1

      5533ed29bf3239839e6acf03965cf27ddf4f4138

      SHA256

      7ad095de4171dfb3458752e1f4406b726ea94327e529fd83e2189b8c04ffee86

      SHA512

      25ce432979995987a26e9442c2c9ac026d55ff9f4820d983ab30496d28a75dec508c4083b11a2433f5bc3c2f903828ed2849aa5542fc7de84394b44a29fbcf55

    • 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

      912f27bcbbbdd339d73baf2ecec184e7

      SHA1

      de4c42adf7c06de811958807014887a4c0d41c95

      SHA256

      ac4301cf80e1320cc836f85d90d28221a50ec57e6129b195acf0cb00df5d18b2

      SHA512

      3315247d610e70893844af18d903d1010e0d9df7dc3dcaee2b83e4d52fd52910e2623cdcb5e33bc8e8253129914091e20a7a35d51b500fdf4eba2c48da83fcd8

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

      Filesize

      2KB

      MD5

      9541342916b0c5b0ee2f6062398b867f

      SHA1

      46fc51b5aa29f366ef96946c16cbe9b7f67c9392

      SHA256

      e6548a38d5a516be84c393b45ce4a1577e4bbd6bb40aad980237037fe0e5a740

      SHA512

      d763f9f0676bb94f8211aae463896cf1c545531c1c43ee9d60272427c3a7ea56dc332e8e4a08c570a87bc26908de326ef0f196da8ad79051f6cad2dfcd0579aa

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

      Filesize

      1KB

      MD5

      8515f6b60a6e8becf75da139b0767c36

      SHA1

      a926e7923af47636662c56e51ec8e0485d0e7b61

      SHA256

      42f8b46499f0f8fd94833336b4bdc1e908cb2b6b719d72229764bef52b80a6d6

      SHA512

      67450b06ebcc344b6eee9e5913a741161b1cf081cdb0d4ea5a6224735b2d490c46f1cb4783299265ec13212672af49de8b271b284951c9c229c700468ed322d2

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

      Filesize

      458B

      MD5

      d90191880f543b9149d03a2b1797f700

      SHA1

      15ecd75de2c12a1c9699cf6768d568920c40c02b

      SHA256

      d5a933335803dc9bdd185121f146b3f5fe34206880ec12d86c3c7ddd48e2f704

      SHA512

      97eda42ffb03faa11e4f95822a19ba7c313a0e3efdcbea7af3fcf6ad6b219861de0f08cb48813f3d9b397bad98d26b201f4c2efd7a99fb79ff47381110bd33c1

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

      Filesize

      450B

      MD5

      bdb387a77018306a638c67bff3f2f8e1

      SHA1

      54996d98f6a88c34a241d42209a2193fda6aef90

      SHA256

      84bf2f29c1f6a477d3128d22c2e002fbd0b9957e3aa5fbc3112dd4f46eea4dfd

      SHA512

      ebb4613c2d1c8b84180ac3dea317585de4381cf04e8380e7fcdfb9b112d95e97c0b7cb929349bfb889492096c652b216a7db86467813858813be6b52255b577c

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

      Filesize

      458B

      MD5

      d264d624a6a972555ac1e9a2a3e1dbb5

      SHA1

      1c20ed558275f915efde91ec46cf181f8df8b563

      SHA256

      4180d4c59d212072fc2e914ba55553777c78db3a0441d11d8d936c0ca16ac5a2

      SHA512

      c029d3b7ef9128874695d57b5895d8dc376d1e4b8100345977eb6df65ec0a35619d5fa0ab636b287655d5db488fa07ab87bf7efa17b2b7ae7c80317a5c345c19

    • memory/1172-7-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1172-0-0x000000007485E000-0x000000007485F000-memory.dmp

      Filesize

      4KB

    • memory/1172-2-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1172-1-0x00000000003B0000-0x00000000003FA000-memory.dmp

      Filesize

      296KB

    • memory/1172-6-0x0000000074850000-0x0000000075000000-memory.dmp

      Filesize

      7.7MB

    • memory/1248-114-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/1248-149-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/1248-118-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/1248-120-0x0000000000400000-0x000000000045C000-memory.dmp

      Filesize

      368KB

    • memory/2868-150-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2868-151-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2868-152-0x000000001FC40000-0x000000001FE9F000-memory.dmp

      Filesize

      2.4MB

    • memory/2868-140-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2868-138-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2868-136-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2868-166-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2868-167-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-42-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-27-0x0000000022580000-0x00000000227DF000-memory.dmp

      Filesize

      2.4MB

    • memory/2968-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-9-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-25-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-93-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-92-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-85-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-84-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-60-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-59-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-43-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2968-26-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/3376-134-0x0000000000980000-0x00000000009CA000-memory.dmp

      Filesize

      296KB

    • memory/3420-116-0x0000000072940000-0x00000000730F0000-memory.dmp

      Filesize

      7.7MB

    • memory/3420-110-0x000000007294E000-0x000000007294F000-memory.dmp

      Filesize

      4KB

    • memory/3420-111-0x0000000000410000-0x000000000046A000-memory.dmp

      Filesize

      360KB

    • memory/3420-112-0x0000000072940000-0x00000000730F0000-memory.dmp

      Filesize

      7.7MB