Analysis

  • max time kernel
    34s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    10-09-2024 01:20

General

  • Target

    1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe

  • Size

    284KB

  • MD5

    65208d6a2c36c758bab95b17fb22e19e

  • SHA1

    ef43d4bae09cfeaff0396f339056ac64437cd36e

  • SHA256

    1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0

  • SHA512

    23223f7571699ba9e654bad651a9b23876dc286d72676a60d93466cbc6cc7bb7a514686d107dd769526874aac84d8c56fee7e7b54d1cf78cba08a38e8bda9e85

  • SSDEEP

    6144:wrOlaN9R1I9t/y4f+933KlGOqNRdjwE+s0sllPW1afU0z/L+5upS1vNMx:wCz9Ji933KlxqTdj3Pw6/i4pF

Malware Config

Extracted

Family

vidar

C2

https://t.me/fneogr

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://ignoracndwko.shop/api

https://preachstrwnwjw.shop/api

https://complainnykso.shop/api

https://basedsymsotp.shop/api

https://charistmatwio.shop/api

https://grassemenwji.shop/api

Signatures

  • Detect Vidar Stealer 16 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
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 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 6 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 2 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe
    "C:\Users\Admin\AppData\Local\Temp\1071d6290a7dd366135a37c2667366e6642d719c34f25a6ed02bba9de9fa99d0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2548
    • 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:2396
      • C:\ProgramData\KJEBKJDAFH.exe
        "C:\ProgramData\KJEBKJDAFH.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2380
        • 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:1652
      • C:\ProgramData\DHCBGDHIEB.exe
        "C:\ProgramData\DHCBGDHIEB.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2172
        • 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:1452
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KJJJDHDGDAAK" & exit
        3⤵
          PID:2280
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • Delays execution with timeout.exe
            PID:2840

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\BAAEHDBFIDAF\KKKJKE

      Filesize

      92KB

      MD5

      102841a614a648b375e94e751611b38f

      SHA1

      1368e0d6d73fa3cee946bdbf474f577afffe2a43

      SHA256

      c82ee2a0dc2518cb1771e07ce4b91f5ef763dd3dd006819aece867e82a139264

      SHA512

      ca18a888dca452c6b08ad9f14b4936eb9223346c45c96629c3ee4dd6742e947b6825662b42e793135e205af77ad35e6765ac6a2b42cefed94781b3463a811f0a

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      5956170ca0df73f5cd4f7d0b81177e85

      SHA1

      50d7e2b06d8663fb812ba2ccda46741d95f31294

      SHA256

      30ada6da597c180141a35894f7842acaba4f594cf2a93e1418633b4b7a989130

      SHA512

      e82ad7496fac49b4eee0737a71edf1c2aeb4fff39c5ebc784d7c1a6e6ca04a35947062466a1d5d8c7e7c8cefcc35faf76eb39375ed7fd6f425c09d3cfa6448bf

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

      Filesize

      342B

      MD5

      acfba29bd29a091b5bc65129759a524e

      SHA1

      b66a430c5a629967e7e6cbae1e4e54302cc0b0a7

      SHA256

      37fa671a9f93af0c7c6691e1bcaff83945c5a5aa86fca151895e1e3481f6b150

      SHA512

      accc8fbe48a9d915c1cc0bc069295dd641f556cb6704a2b845ea0e9152f868eb690f8121faa2d5ed6f29a3be62dfa76845cd3d93fb1c75f3ce283cec8e74cfdb

    • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\AS91FDNI\76561199768374681[1].htm

      Filesize

      33KB

      MD5

      4d6d2c5b83abbf62fe4b44d9b1f56bb5

      SHA1

      18b8b57750b9a02b256cfb7463e8b1b51e467153

      SHA256

      b01f79ebf7c290454d9fbf517de805123ffd2df420f55a59b336b9b43d8bd348

      SHA512

      20c04aae7c7e5d968110e08d987193af785d0cf210c42092a6b897deca74e85e38e8883446fc05b59c136077020eea519b30d710922207d890af0af03679de60

    • C:\Users\Admin\AppData\Local\Temp\CabA797.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarA7B9.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \ProgramData\DHCBGDHIEB.exe

      Filesize

      283KB

      MD5

      84354d3c9965d9a0878596e347a34f39

      SHA1

      f8e6d9f00d72f6f023e8d793462b7bb90cc31583

      SHA256

      4e20a0aa3d323c0a1aa676c7eb3656cdd34cb69da614b4dc8aa946f5bcb2be39

      SHA512

      2356ba4867985b609e1727f2a4877649f6c1b415d089dcef22c695baa42d3051cb6fb799eb7056ca75301a1aba47e71354e5051868f5bda04a62932a3ef72ad3

    • \ProgramData\KJEBKJDAFH.exe

      Filesize

      321KB

      MD5

      e318c6ab13d30b93d2d43bf5d2c31fe5

      SHA1

      2096056b203ea938312af04ce137353eac6a03d3

      SHA256

      f43e034a2bee82ed71caf1f838be515abef3bd8bb562bdae3d5abb4f194c492d

      SHA512

      bc0bfbdf77a6da47f67201f6a1f049072ff0bb1c289eccc739c07b49c4eafe3b9053d31671f08ffdb833ee469dfcab95374ed199267fab86f38e9db7d7fbce75

    • \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/1452-685-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1452-713-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/1452-723-0x0000000020480000-0x00000000206DF000-memory.dmp

      Filesize

      2.4MB

    • memory/1652-500-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-501-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-499-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-498-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-502-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-505-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-509-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/1652-507-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/2172-537-0x0000000000CF0000-0x0000000000D3A000-memory.dmp

      Filesize

      296KB

    • memory/2380-487-0x00000000733FE000-0x00000000733FF000-memory.dmp

      Filesize

      4KB

    • memory/2380-497-0x0000000002210000-0x0000000004210000-memory.dmp

      Filesize

      32.0MB

    • memory/2380-488-0x0000000000C40000-0x0000000000C94000-memory.dmp

      Filesize

      336KB

    • memory/2396-14-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-6-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-433-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-386-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-352-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-221-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-202-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-191-0x0000000020440000-0x000000002069F000-memory.dmp

      Filesize

      2.4MB

    • memory/2396-190-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-153-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-17-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-11-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2396-5-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-3-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-4-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-414-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-7-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2396-8-0x0000000000400000-0x0000000000657000-memory.dmp

      Filesize

      2.3MB

    • memory/2548-15-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2548-12-0x0000000074BD0000-0x00000000752BE000-memory.dmp

      Filesize

      6.9MB

    • memory/2548-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

      Filesize

      4KB

    • memory/2548-1-0x0000000000080000-0x00000000000CA000-memory.dmp

      Filesize

      296KB