Analysis

  • max time kernel
    115s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 23:48

General

  • Target

    System/msvcp71d.dll

  • Size

    748KB

  • MD5

    d752342f33ba6090d12cbc2c8139bd39

  • SHA1

    be218e1af26d33eac26316bcc9494a1487b8d3e3

  • SHA256

    c19c69ead56b16a8bbc81cb8067e1cbe43c3c2c44c7f1fe8438bd9357fa90918

  • SHA512

    2882315b907689ce9b85620ba7051d0b8a86faaae204520586a4868b2f4e3a90f47081c3e0ebc0250f8b68f0b19bc37d50ca26bccf3ba3f67a27d35b45e268f9

  • SSDEEP

    12288:dgbaEPYdEPY2ST947OcOk9Oc/LjOc1+DD0osAE48QUI00F0osAE48QUIh110osAy:QSdWvPFypjoM3Ooc8iHkC2e

Score
3/10

Malware Config

Signatures

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\msvcp71d.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\System\msvcp71d.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1468
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1468 -s 604
        3⤵
        • Program crash
        PID:4704
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 1468 -ip 1468
    1⤵
      PID:2252

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads