Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 09:47

General

  • Target

    hc_client_mod_v320/EXE/libcurl.dll

  • Size

    102KB

  • MD5

    5664ab7c2978571433e89465277aef93

  • SHA1

    40817e9bd69083890b41bb705f8cea3b066a6783

  • SHA256

    140e5ab11c1514bfc90f937239f9675a82aaf6e6f6e391df66e7d49da34a940b

  • SHA512

    23950af17bb50f54cfe6ddc97f70d496356935e4f4c24f5b6d55b0e8f597cbf4a06ff38aa966c7e9496e1fbd4f5ea19fe3526943106a9f48146bf14be3010d16

  • SSDEEP

    1536:2/3CrKhoRiMnHv7/54ylia+sE+kGwRlSdu8jaW07fQpAcoLhgyzYcJTVKK7OWS8:ICr1D5fp7Y4u8WW07IboVg3uKK7OWS8

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\hc_client_mod_v320\EXE\libcurl.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2776
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\hc_client_mod_v320\EXE\libcurl.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4488
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 628
        3⤵
        • Program crash
        PID:3928
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4488 -ip 4488
    1⤵
      PID:5080

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4488-0-0x0000000010000000-0x000000001003B000-memory.dmp

      Filesize

      236KB

    • memory/4488-1-0x00000000005D0000-0x00000000005D2000-memory.dmp

      Filesize

      8KB

    • memory/4488-3-0x0000000010000000-0x000000001003B000-memory.dmp

      Filesize

      236KB