Analysis

  • max time kernel
    101s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-10-2024 05:20

General

  • Target

    25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.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.

  • 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).

  • 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 22 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe
    "C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:588
    • C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe
      "C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe"
      2⤵
        PID:1832
      • C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe
        "C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe"
        2⤵
          PID:5100
        • C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.exe
          "C:\Users\Admin\AppData\Local\Temp\25edfcb625e201b88cd14a81db5688c9bd952852f0362b6a3d034a1131e3668eN.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:2316
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c timeout /t 10 & rd /s /q "C:\ProgramData\KEHDBAEGIIIE" & exit
            3⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:1832
            • C:\Windows\SysWOW64\timeout.exe
              timeout /t 10
              4⤵
              • System Location Discovery: System Language Discovery
              • Delays execution with timeout.exe
              PID:4576
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 588 -s 280
          2⤵
          • Program crash
          PID:1492
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 588 -ip 588
        1⤵
          PID:2556

        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/588-0-0x00000000008EB000-0x00000000008ED000-memory.dmp

          Filesize

          8KB

        • memory/2316-31-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-48-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-15-0x0000000020690000-0x00000000208EF000-memory.dmp

          Filesize

          2.4MB

        • memory/2316-22-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-30-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-4-0x0000000000860000-0x000000000090A000-memory.dmp

          Filesize

          680KB

        • memory/2316-32-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-13-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-49-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-56-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-3-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-1-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-72-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-73-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-80-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB

        • memory/2316-81-0x0000000000400000-0x0000000000676000-memory.dmp

          Filesize

          2.5MB