Analysis

  • max time kernel
    570s
  • max time network
    456s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/03/2024, 05:32

General

  • Target

    vcruntime140.dll

  • Size

    81KB

  • MD5

    16b26bc43943531d7d7e379632ed4e63

  • SHA1

    565287de39649e59e653a3612478c2186096d70a

  • SHA256

    346f72c9a7584c2ab6ce65cd38a616c77ebddc0bbab2274c4e89dd5e62237517

  • SHA512

    b5b7b4b8c5ab4276a34956e43f586272b1803ec3609253fee1bcc0a549aed7ba11d47404b023f7b67af701726bab95cca55738e7bd5bca272eca5ac71bb418cc

  • SSDEEP

    1536:BDpX0WKXQn6s8/oB6xMSKgS9WnESDPIYMWC/q6mYIeTsu03/huecbFWzZoi:BF0ZQnm/oBab8y6mfe0vhuecbFWzZoi

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:876
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\vcruntime140.dll,#1
      2⤵
        PID:1824
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1824 -s 600
          3⤵
          • Program crash
          PID:4404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1824 -ip 1824
      1⤵
        PID:1356
      • C:\Windows\system32\rundll32.exe
        "C:\Windows\system32\rundll32.exe" "C:\Windows\SYSTEM32\EDGEHTML.dll",#141 Microsoft.VCLibs.140.00_8wekyb3d8bbwe
        1⤵
          PID:3640
        • C:\Windows\System32\svchost.exe
          C:\Windows\System32\svchost.exe -k UnistackSvcGroup
          1⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:2096

        Network

              MITRE ATT&CK Matrix

              Replay Monitor

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              Downloads

              • memory/2096-0-0x000002ED35E40000-0x000002ED35E50000-memory.dmp

                Filesize

                64KB

              • memory/2096-16-0x000002ED35F40000-0x000002ED35F50000-memory.dmp

                Filesize

                64KB

              • memory/2096-32-0x000002ED3E280000-0x000002ED3E281000-memory.dmp

                Filesize

                4KB

              • memory/2096-34-0x000002ED3E2B0000-0x000002ED3E2B1000-memory.dmp

                Filesize

                4KB

              • memory/2096-35-0x000002ED3E2B0000-0x000002ED3E2B1000-memory.dmp

                Filesize

                4KB

              • memory/2096-36-0x000002ED3E3C0000-0x000002ED3E3C1000-memory.dmp

                Filesize

                4KB