Resubmissions

15-09-2024 09:57

240915-ly8zasyclp 10

15-09-2024 08:55

240915-kveqlswcnk 10

Analysis

  • max time kernel
    95s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-09-2024 09:57

General

  • Target

    cryptowall.exe

  • Size

    240KB

  • MD5

    47363b94cee907e2b8926c1be61150c7

  • SHA1

    ca963033b9a285b8cd0044df38146a932c838071

  • SHA256

    45317968759d3e37282ceb75149f627d648534c5b4685f6da3966d8f6fca662d

  • SHA512

    93dfaafc183360829448887a112dd49c90ec5fe50dcd7c7bbc06c1c8daa206eeea5577f726d906446322c731d0520e93700d5ff9cefd730fba347c72b7325068

  • SSDEEP

    3072:xkeyloECBch6ZCGBGSmHJ0y5lj6jdojK7+MGOXpXx8z3Lp7Yoq:xGlnCIwMpj6ijKfxx8z3F0V

Score
3/10

Malware Config

Signatures

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cryptowall.exe
    "C:\Users\Admin\AppData\Local\Temp\cryptowall.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 824 -s 476
      2⤵
      • Program crash
      PID:3500
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 824 -ip 824
    1⤵
      PID:4620
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:3396
      • C:\Users\Admin\AppData\Local\Temp\cryptowall.exe
        "C:\Users\Admin\AppData\Local\Temp\cryptowall.exe"
        1⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:4596
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4596 -s 484
          2⤵
          • Program crash
          PID:1500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 4596 -ip 4596
        1⤵
          PID:4800

        Network

        MITRE ATT&CK Enterprise v15

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