Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    06-10-2024 14:33

General

  • Target

    61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe

  • Size

    404KB

  • MD5

    15e48f59b50e093dd715c721cec58a29

  • SHA1

    9e8a996b0a8a3c78b7a90bca971d8dd015d5885c

  • SHA256

    61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710

  • SHA512

    681a6c84a0f2bc8f6d5fe0ce8559b77a9844655385222494ebab191090859415fe7aa88f5834362480a71e982e8c1d02cace1d5b0589693b49495d9face5d497

  • SSDEEP

    6144:hWDZTxXwKjzPrI1UEnjGVqpQduF2dupEzn3ZFunIYUNQ6ZRuR0nXjXzDzgSqqeBj:2Jfajqq8ucd6K3ZFunmHZRu0XXD0JjEO

Malware Config

Extracted

Family

vidar

Version

11

Botnet

8a5f3a9817555d8b0b805aaf007d558d

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

Signatures

  • Detect Vidar Stealer 14 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
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 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 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 4 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe
    "C:\Users\Admin\AppData\Local\Temp\61ffde65177f9cea78164dd99fe7ecfc7ff9f95309f9b9b7d631870faedf6710.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3052
    • 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:2072
      • C:\ProgramData\DGHDHIDGHI.exe
        "C:\ProgramData\DGHDHIDGHI.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2408
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
          4⤵
            PID:1416
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
            4⤵
              PID:408
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
              4⤵
              • System Location Discovery: System Language Discovery
              PID:1268
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\HCGDGIDGIJKK" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2140
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:1784

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

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

        Filesize

        342B

        MD5

        3e8c656d3c9300cca8f10055cdddcb26

        SHA1

        7e1ae77c227cf5af1c5d4b895c8da9d7b1d0e147

        SHA256

        4333e356e4981374e4e1f824fb4380c9e8ecf5a1de4e98a42a57e2f495c3d0c1

        SHA512

        0147e75da35a7741ee3796a8f82cb26628c6015743114a5929dd5435fd7177c31fa6dd38390eb48628b860e41ca700e83e68835b3713c8433bf70f52f1ac969d

      • C:\Users\Admin\AppData\Local\Temp\CabBC4F.tmp

        Filesize

        70KB

        MD5

        49aebf8cbd62d92ac215b2923fb1b9f5

        SHA1

        1723be06719828dda65ad804298d0431f6aff976

        SHA256

        b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

        SHA512

        bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

      • C:\Users\Admin\AppData\Local\Temp\TarBC81.tmp

        Filesize

        181KB

        MD5

        4ea6026cf93ec6338144661bf1202cd1

        SHA1

        a1dec9044f750ad887935a01430bf49322fbdcb7

        SHA256

        8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

        SHA512

        6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

      • \ProgramData\DGHDHIDGHI.exe

        Filesize

        547KB

        MD5

        62b3c1d62acafeeff56ebc5bbcc447c1

        SHA1

        ca7c2feec6dc5817050e62b87d6785adaa5f3fde

        SHA256

        c0be51b97f9294b257c401eeda3810cb3e141aed863482250173ca9315fe2b11

        SHA512

        5281313310d96d1bf3153064fe3661e4431db6518f0b3bddccb3667b740343732247f3d3eebcf4604f30c8361cb86522be1bc39b824ef2fa0c4fdd50588971d6

      • \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/1268-494-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-493-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-491-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-486-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-490-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

        Filesize

        4KB

      • memory/1268-489-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-488-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-487-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/1268-485-0x0000000000400000-0x0000000000463000-memory.dmp

        Filesize

        396KB

      • memory/2072-191-0x0000000020320000-0x000000002057F000-memory.dmp

        Filesize

        2.4MB

      • memory/2072-6-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-171-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-16-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-201-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-220-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-7-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-4-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-3-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-352-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-371-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-414-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-433-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-13-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-11-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-5-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-152-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-8-0x0000000000400000-0x0000000000676000-memory.dmp

        Filesize

        2.5MB

      • memory/2072-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

        Filesize

        4KB

      • memory/2408-484-0x00000000013A4000-0x00000000013A5000-memory.dmp

        Filesize

        4KB

      • memory/3052-309-0x0000000074540000-0x0000000074C2E000-memory.dmp

        Filesize

        6.9MB

      • memory/3052-14-0x0000000074540000-0x0000000074C2E000-memory.dmp

        Filesize

        6.9MB

      • memory/3052-0-0x000000007454E000-0x000000007454F000-memory.dmp

        Filesize

        4KB

      • memory/3052-1-0x00000000002C0000-0x000000000032A000-memory.dmp

        Filesize

        424KB