Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-10-2024 01:07

General

  • Target

    910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe

  • Size

    496KB

  • MD5

    17f43303c82bf997758d11a246902669

  • SHA1

    7d4863c31780e3927b9993e6924297b6a281fe91

  • SHA256

    910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78

  • SHA512

    5fac221226f0cd76cc63ff942b458d50d12fe08bc432c4a1a7593c04ddd7676b54ea812593aa9b8fd8a1adbcec81f413752c7896f4be75a30bf323d303359d75

  • SSDEEP

    12288:1myaTL4aY7+6iU9WGh691zRhbPdUQmeK3LbXCoL:1gTLSq6iEW66DrSQmv3LDC6

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

0b3bd69430b7d827b107ba2ed809207d

C2

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

  • Detect Vidar Stealer 13 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • 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 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 1 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 4 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 23 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe
    "C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1800
    • C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe
      "C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe"
      2⤵
        PID:2620
      • C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe
        "C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.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:2460
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\CGHCFBAAAFHJ" & exit
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1712
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 10
            4⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:2436

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

      Filesize

      1KB

      MD5

      a266bb7dcc38a562631361bbf61dd11b

      SHA1

      3b1efd3a66ea28b16697394703a72ca340a05bd5

      SHA256

      df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

      SHA512

      0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

    • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

      Filesize

      242B

      MD5

      41b2c67ab80f23a69bdafc525c204139

      SHA1

      5a0210a7175b14c77dd0681fc55b9244b341b73c

      SHA256

      4406f2894ed774126f78d1a7f2ac04f6fdb8293318cdb159805411e5e0e6ea4d

      SHA512

      0f94f7a269472415594b35fc3f0b373548dfcc7ef992e892b5eb5a17ac79230016f125cde95a5419ad336187e09d8efc9ec689ea2d5d276cf5a0d6d80480cb6e

    • C:\Users\Admin\AppData\Local\Temp\CabDC5D.tmp

      Filesize

      70KB

      MD5

      49aebf8cbd62d92ac215b2923fb1b9f5

      SHA1

      1723be06719828dda65ad804298d0431f6aff976

      SHA256

      b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

      SHA512

      bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

    • C:\Users\Admin\AppData\Local\Temp\TarDC7F.tmp

      Filesize

      181KB

      MD5

      4ea6026cf93ec6338144661bf1202cd1

      SHA1

      a1dec9044f750ad887935a01430bf49322fbdcb7

      SHA256

      8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

      SHA512

      6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

    • \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/1800-0-0x0000000000DFA000-0x0000000000DFC000-memory.dmp

      Filesize

      8KB

    • memory/2460-201-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-227-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-6-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-5-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-4-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-2-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-153-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-190-0x0000000020770000-0x00000000209CF000-memory.dmp

      Filesize

      2.4MB

    • memory/2460-14-0x0000000000D80000-0x0000000000DFF000-memory.dmp

      Filesize

      508KB

    • memory/2460-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2460-282-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-9-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-11-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-352-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-371-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-422-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-1-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2460-445-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB