Analysis

  • max time kernel
    34s
  • max time network
    115s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    23/08/2024, 11:38

General

  • Target

    file.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://potentioallykeos.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 1 IoCs
  • Loads dropped DLL 6 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 2 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 6 IoCs
  • Suspicious use of WriteProcessMemory 46 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:2052
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:2272
      • 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:2264
        • C:\ProgramData\DHJKJKKKJJ.exe
          "C:\ProgramData\DHJKJKKKJJ.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2164
          • 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:108
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\AAAAECGHCBGC" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:944
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1284

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • C:\Users\Admin\AppData\Local\Temp\Cab189.tmp

            Filesize

            70KB

            MD5

            49aebf8cbd62d92ac215b2923fb1b9f5

            SHA1

            1723be06719828dda65ad804298d0431f6aff976

            SHA256

            b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

            SHA512

            bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

          • C:\Users\Admin\AppData\Local\Temp\Tar19B.tmp

            Filesize

            181KB

            MD5

            4ea6026cf93ec6338144661bf1202cd1

            SHA1

            a1dec9044f750ad887935a01430bf49322fbdcb7

            SHA256

            8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

            SHA512

            6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

          • \ProgramData\DHJKJKKKJJ.exe

            Filesize

            277KB

            MD5

            8706191b083e3893406221c606f35f6f

            SHA1

            ba2c5578e4720ce57ad1498bebf5f6c6c2e0f65c

            SHA256

            04525f7fdcc5b5d6891f0a3ab3b6110b0cec2170d8695561cec9261964c334db

            SHA512

            3bed02fa46ae4cd79844831ae0c88658cafae4dcf2aefc281c1593cf3010b963c3c4ec23539997682c2326ba3cf3260470a7b1aced4e0cc0976a18b8c866d08f

          • \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/108-513-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-515-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-516-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-522-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-514-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-512-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-552-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-524-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/108-519-0x0000000000400000-0x000000000044C000-memory.dmp

            Filesize

            304KB

          • memory/2052-17-0x0000000074540000-0x0000000074C2E000-memory.dmp

            Filesize

            6.9MB

          • memory/2052-9-0x0000000074540000-0x0000000074C2E000-memory.dmp

            Filesize

            6.9MB

          • memory/2052-0-0x000000007454E000-0x000000007454F000-memory.dmp

            Filesize

            4KB

          • memory/2052-1-0x0000000000CC0000-0x0000000000CF4000-memory.dmp

            Filesize

            208KB

          • memory/2164-502-0x00000000002B0000-0x00000000002FA000-memory.dmp

            Filesize

            296KB

          • memory/2164-501-0x0000000072F7E000-0x0000000072F7F000-memory.dmp

            Filesize

            4KB

          • memory/2164-523-0x0000000072F70000-0x000000007365E000-memory.dmp

            Filesize

            6.9MB

          • memory/2264-10-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-239-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-231-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-363-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-382-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-428-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-447-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-212-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-202-0x00000000203E0000-0x000000002063F000-memory.dmp

            Filesize

            2.4MB

          • memory/2264-182-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-163-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-5-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-7-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-13-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

            Filesize

            4KB

          • memory/2264-16-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-22-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-19-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-12-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-3-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB

          • memory/2264-553-0x0000000000400000-0x0000000000641000-memory.dmp

            Filesize

            2.3MB