Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2024, 11:31

General

  • Target

    file.exe

  • Size

    244KB

  • MD5

    2caa34244dd6726f37dbccc7fe9b59fd

  • SHA1

    0ec728e4614ae0f3ae5db4ed255a1a344d654659

  • SHA256

    5bde316bb02a4d1c0e5530093c04f48e6bb862a828f154b5ad2a19c3a032937d

  • SHA512

    2a471bf75e21b6637839626f25668e03fd60c7bdd2f11b838c3842999e6b615a26c6bd1bcf3ecdcdae37a6ce11a046e7590194c8fdc40aef2ab44854238669b2

  • SSDEEP

    3072:jp3BvL34Ph1UOpbqWvhSveoQxd0+4NB4F/8CUKnozHZHeV1HLVA8959eQAOED:Nxvz4ZxbVvhweoQL0DNBKn6H1w5AENo

Score
10/10

Malware Config

Extracted

Family

vidar

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes
  • user_agent

    Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

  • Detect Vidar Stealer 3 IoCs
  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\file.exe
    "C:\Users\Admin\AppData\Local\Temp\file.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:488
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:2656
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:3372
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
              PID:4904
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -u -p 4904 -s 2172
                3⤵
                • Program crash
                PID:2388
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 260
              2⤵
              • Program crash
              PID:3716
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4952 -ip 4952
            1⤵
              PID:4988
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4904 -ip 4904
              1⤵
                PID:4556

              Network

                    MITRE ATT&CK Matrix

                    Replay Monitor

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                    Downloads

                    • memory/4904-5-0x0000000000400000-0x0000000000648000-memory.dmp

                      Filesize

                      2.3MB

                    • memory/4904-8-0x0000000000400000-0x0000000000648000-memory.dmp

                      Filesize

                      2.3MB

                    • memory/4904-10-0x0000000000400000-0x0000000000648000-memory.dmp

                      Filesize

                      2.3MB

                    • memory/4952-0-0x0000000000010000-0x000000000004E000-memory.dmp

                      Filesize

                      248KB

                    • memory/4952-1-0x0000000074CE0000-0x0000000075490000-memory.dmp

                      Filesize

                      7.7MB

                    • memory/4952-4-0x00000000025F0000-0x00000000045F0000-memory.dmp

                      Filesize

                      32.0MB

                    • memory/4952-12-0x0000000074CE0000-0x0000000075490000-memory.dmp

                      Filesize

                      7.7MB