Analysis

  • max time kernel
    143s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/08/2024, 14:24

General

  • Target

    xxwewe33/api-ms-win-core-interlocked-l1-1-0.dll

  • Size

    11KB

  • MD5

    8a6c74b9a1db0d730af45be603d233c8

  • SHA1

    a6a3e80afeefcc9b34703c6a8ea2c0a94fe998e6

  • SHA256

    75b8eae29ab9acc906aafac2a198fe875d34c22b40acace1cd6c3486d67333ef

  • SHA512

    8f2e6be6a08e393acdb7e50687d6e6faefa9243855d92018bc9be5ffead022e4df96d2d51042a1e2d6d2eadcb88e27f7f4aea8a5314f8fb32c05cb9cededcd99

  • SSDEEP

    192:ClYsFqWOhW+T71ojDBQABJsgqnajLQvTP+8jIrS:ClYsFqWOhWvDBRJsglvQyUIrS

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\xxwewe33\api-ms-win-core-interlocked-l1-1-0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4912
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\xxwewe33\api-ms-win-core-interlocked-l1-1-0.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4496
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4496 -s 600
        3⤵
        • Program crash
        PID:1820
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4496 -ip 4496
    1⤵
      PID:4200

    Network

    MITRE ATT&CK Enterprise v15

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    Downloads