Analysis

  • max time kernel
    87s
  • max time network
    180s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    30/05/2023, 04:02

General

  • Target

    533915e4d0ad9a2646008aa0806f1b5036494cace39a5a329af6e37b7bf72c8b.exe

  • Size

    439KB

  • MD5

    c428b3ca191dfaea5f4228595ee1ae32

  • SHA1

    9f3b782916f2c54d3a0f465039e3455bd19380e9

  • SHA256

    533915e4d0ad9a2646008aa0806f1b5036494cace39a5a329af6e37b7bf72c8b

  • SHA512

    eed48c9c9d5206c0fa74535f927174a4016eb3106c2c2bfaedf7c84c7cc6525dc3c065597d3af73054deec6f732b0da7283a54583b9f1f410c4c08381e777852

  • SSDEEP

    6144:gWs4PVHTGCRpCinbN8RoFYNjI2J9N3QkHrTqqHTsg:gUVqC1nZA5hI2nN3tHfLzs

Malware Config

Extracted

Family

vidar

Version

4.1

Botnet

a247b760bbf343752090be1436805458

C2

https://t.me/task4manager

http://23.88.46.113:80

https://steamcommunity.com/profiles/76561199510444991

Attributes
  • profile_id_v2

    a247b760bbf343752090be1436805458

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses 2FA software files, possible credential harvesting 2 TTPs
  • 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\533915e4d0ad9a2646008aa0806f1b5036494cace39a5a329af6e37b7bf72c8b.exe
    "C:\Users\Admin\AppData\Local\Temp\533915e4d0ad9a2646008aa0806f1b5036494cace39a5a329af6e37b7bf72c8b.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:3432

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \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/3432-122-0x0000000000820000-0x0000000000876000-memory.dmp

          Filesize

          344KB

        • memory/3432-123-0x0000000000400000-0x00000000006F1000-memory.dmp

          Filesize

          2.9MB

        • memory/3432-124-0x0000000000820000-0x0000000000876000-memory.dmp

          Filesize

          344KB

        • memory/3432-138-0x0000000061E00000-0x0000000061EF3000-memory.dmp

          Filesize

          972KB

        • memory/3432-184-0x0000000000400000-0x00000000006F1000-memory.dmp

          Filesize

          2.9MB