Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2024 16:01

General

  • Target

    7254379b61beee3165040ef5e60de320.exe

  • Size

    676KB

  • MD5

    7254379b61beee3165040ef5e60de320

  • SHA1

    87464e3751f73f7f60486cecabbe1bec99f80f10

  • SHA256

    25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668e

  • SHA512

    e6e60f48a050a49e55819e3cf86ad96e25cb407663e131bf6e7d356c2df22ab9570ed96931f13e8f365c46e76ccefc8807f3e873a75ddb1bc17db2349fceab38

  • SSDEEP

    12288:IPvll449wz1r7NhVzGKoSb7PDWuN2V2Bw7qlZaKSCEO:gl/E9hVzGK5umw7QJt

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.

  • 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).

  • Program crash 1 IoCs
  • 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\7254379b61beee3165040ef5e60de320.exe
    "C:\Users\Admin\AppData\Local\Temp\7254379b61beee3165040ef5e60de320.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4152
    • C:\Users\Admin\AppData\Local\Temp\7254379b61beee3165040ef5e60de320.exe
      "C:\Users\Admin\AppData\Local\Temp\7254379b61beee3165040ef5e60de320.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:4360
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\JKFHIIEHIEGD" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4384
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:2940
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4152 -s 264
      2⤵
      • Program crash
      PID:1336
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4152 -ip 4152
    1⤵
      PID:4176

    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/4152-0-0x00000000000CB000-0x00000000000CD000-memory.dmp

      Filesize

      8KB

    • memory/4360-33-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-50-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-16-0x0000000022C50000-0x0000000022EAF000-memory.dmp

      Filesize

      2.4MB

    • memory/4360-24-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-32-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-6-0x0000000000040000-0x00000000000EA000-memory.dmp

      Filesize

      680KB

    • memory/4360-34-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-15-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-51-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-58-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-1-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-74-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-75-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-82-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/4360-83-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB