Analysis

  • max time kernel
    145s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-10-2024 14:29

General

  • Target

    Set-up.exe

  • Size

    6.0MB

  • MD5

    7a0fd3bde42dfda339a0178586081838

  • SHA1

    eae2a7c95550399aad314f4e5513cd08baeba830

  • SHA256

    19611d5581709448eb23961048caa859c42acfffea8e2914c747a41623065bc7

  • SHA512

    23f31cc45fc9329edfb06e64956d4f20929110017a0d66aeac7d53e76a1a7e882fd6891841ce473aa1ae93cda92e5aa1dbf1ffada53d0c319c8d7c29db45e3bf

  • SSDEEP

    98304:BzBHzTgecsYM4BFL4zAFy3AUCbw1jYGFGOWnWKuOkT8yrlm/flRi1Ek+JiOjo:B9AeF54BK3NiKjY3pyxm/u1E

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

bed60e7985fadd893545d14f20bd7015

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 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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.

  • 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 3 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
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Set-up.exe
    "C:\Users\Admin\AppData\Local\Temp\Set-up.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\DAKJDHIEBFII" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2512
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 10
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:4596

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • C:\ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/2844-5-0x000000000EEA0000-0x000000000EEA1000-memory.dmp

    Filesize

    4KB

  • memory/2844-11-0x0000000000AB0000-0x00000000016C4000-memory.dmp

    Filesize

    12.1MB

  • memory/2844-4-0x000000000D750000-0x000000000D751000-memory.dmp

    Filesize

    4KB

  • memory/2844-7-0x000000000EEC0000-0x000000000EEC1000-memory.dmp

    Filesize

    4KB

  • memory/2844-6-0x000000000EEB0000-0x000000000EEB1000-memory.dmp

    Filesize

    4KB

  • memory/2844-8-0x000000000EED0000-0x000000000EED1000-memory.dmp

    Filesize

    4KB

  • memory/2844-0-0x0000000000AB0000-0x00000000016C4000-memory.dmp

    Filesize

    12.1MB

  • memory/2844-1-0x0000000003F50000-0x0000000003F51000-memory.dmp

    Filesize

    4KB

  • memory/2844-22-0x0000000035750000-0x00000000359AF000-memory.dmp

    Filesize

    2.4MB

  • memory/2844-58-0x0000000000D20000-0x00000000010B8000-memory.dmp

    Filesize

    3.6MB

  • memory/2844-59-0x0000000000AB0000-0x00000000016C4000-memory.dmp

    Filesize

    12.1MB

  • memory/2844-2-0x0000000000D20000-0x00000000010B8000-memory.dmp

    Filesize

    3.6MB

  • memory/2844-3-0x0000000003F60000-0x0000000003F61000-memory.dmp

    Filesize

    4KB

  • memory/2844-95-0x0000000000AB0000-0x00000000016C4000-memory.dmp

    Filesize

    12.1MB

  • memory/2844-96-0x0000000000D20000-0x00000000010B8000-memory.dmp

    Filesize

    3.6MB