Analysis

  • max time kernel
    141s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-10-2024 02:32

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 14 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 16 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:448
    • C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe
      "C:\Users\Admin\AppData\Local\Temp\910d5163c8b1b2b7c6c4a22195455143c8e2aac49f9b089d4fff6cfbbd781e78.exe"
      2⤵
      • 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:5028
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\IECGHJKKJDHI" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:384
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:3228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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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/448-0-0x00000000000EA000-0x00000000000EC000-memory.dmp

    Filesize

    8KB

  • memory/5028-33-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-50-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-17-0x0000000024EB0000-0x000000002510F000-memory.dmp

    Filesize

    2.4MB

  • memory/5028-24-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-32-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-4-0x0000000000070000-0x00000000000EF000-memory.dmp

    Filesize

    508KB

  • memory/5028-49-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-15-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-51-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-52-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-3-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-1-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-74-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-75-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-82-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB

  • memory/5028-83-0x0000000000400000-0x0000000000676000-memory.dmp

    Filesize

    2.5MB