Analysis

  • max time kernel
    121s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2024 01:39

General

  • Target

    937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe

  • Size

    1023KB

  • MD5

    a0c8a9f05817ca74b5b289cf57fa4af0

  • SHA1

    0d308c60ee35a6ff2d1bbe2cdeb35abc5b41701a

  • SHA256

    937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c

  • SHA512

    4b6490661130b717c5ea603bcb4fd78d589a53086ca53839dc997c7226571beeafce2c9b9d3176310b359b36e143ffcdb217e64fefbcdcb5b51c319c8cdc2e33

  • SSDEEP

    24576:TJjxI3sqXrdyl/FrZjhb5KUHxkNG+sU45g/3K5G:TxxI3sqXrdyDb5Kex+RXK5G

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

191375c1805c0d5109ea6297d63371b2

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 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe
    "C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.exe
      "C:\Users\Admin\AppData\Local\Temp\937eb23c0c68a34501be029aa11106e47cb2a3642de860a21dcc47983520e99c.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:2368
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KJEGCFBGDHJJ" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2388
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2104

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

    9bf8abc6452f8c42243de9b739cda86c

    SHA1

    69fe7a0804cf9bf50c9e9f04de9059595692cbc0

    SHA256

    18b82cbfeba95195e499011954cf9693dcd22b7437ae9c7306fd2cb4db5663c5

    SHA512

    05a0b2063acd0a1138a5f81b57d7c792593b317f08a54ab82010dab6eb383b2c6e22c56d6523f77c0670cff0d309d40a21d4acab1f5de210f360297dae98c98a

  • C:\Users\Admin\AppData\Local\Temp\CabDB15.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarDB76.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/2368-202-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-396-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-6-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-5-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-4-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2368-14-0x0000000000CA0000-0x0000000000DA4000-memory.dmp

    Filesize

    1.0MB

  • memory/2368-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-453-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-11-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-153-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-221-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-172-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-9-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-356-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-2-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-1-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2368-191-0x00000000208E0000-0x0000000020B3F000-memory.dmp

    Filesize

    2.4MB

  • memory/2368-430-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/2388-0-0x0000000000D9A000-0x0000000000D9B000-memory.dmp

    Filesize

    4KB