Analysis

  • max time kernel
    148s
  • 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
    24-10-2024 02:22

General

  • Target

    e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1.exe

  • Size

    617KB

  • MD5

    b84c50c2ceb9b56069c7380e608319de

  • SHA1

    ed35a4711f16abaf3f0d68223545c87a5482f30b

  • SHA256

    e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1

  • SHA512

    3bbebba957448e7f5a3a55dafd2ddfd503c507497b051b03db0af00bb986f63bd504e1575b7a653463e29f959664a3488198b0b83998f8d4a9564261b8e81d01

  • SSDEEP

    12288:6DOzqXUCAB/DDDDDDKggISBALtfL1fOvU9K+t4p/oPyBYjKJcflr7v:6DNXUtoDBALtf99b4rWagr7v

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 4 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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
  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1.exe
    "C:\Users\Admin\AppData\Local\Temp\e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2608
    • C:\Users\Admin\AppData\Local\Temp\e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1.exe
      "C:\Users\Admin\AppData\Local\Temp\e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1.exe"
      2⤵
      • Checks computer location settings
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2168
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\e3617487e1b1b47f2fb532af4483c269108230307f02e9690c6ebc8ad037f6c1.exe" & rd /s /q "C:\ProgramData\AEHDAKFIJJKK" & exit
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3996
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 10
          4⤵
          • System Location Discovery: System Language Discovery
          • Delays execution with timeout.exe
          PID:4588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2608 -s 252
      2⤵
      • Program crash
      PID:4736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2608 -ip 2608
    1⤵
      PID:3744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/2168-1-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2168-3-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2168-4-0x0000000000F10000-0x0000000000FAC000-memory.dmp

      Filesize

      624KB

    • memory/2168-23-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2168-22-0x0000000000400000-0x0000000000676000-memory.dmp

      Filesize

      2.5MB

    • memory/2608-0-0x0000000000FA2000-0x0000000000FA3000-memory.dmp

      Filesize

      4KB