Analysis

  • max time kernel
    108s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 01:19

General

  • Target

    2cb7b36fff65c37e096a29ab1c218030N.dll

  • Size

    76KB

  • MD5

    2cb7b36fff65c37e096a29ab1c218030

  • SHA1

    75d4b9c3d92becb0efebd32c566181b818df6c2f

  • SHA256

    597d5cefe2356bfb7e5e39448deccc43613232887a9965d8f147fce93270686a

  • SHA512

    b8f006105fe60fda6e04694c5ea0a36683734e758c4122c42bddd784abe77a5898a788143b1d445cad2db92d8edb19975896d4702743159e68aa8071e87bf43b

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZX3c2pIcz1dM:c8y93KQjy7G55riF1cMo03v5z12

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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 AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cb7b36fff65c37e096a29ab1c218030N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\2cb7b36fff65c37e096a29ab1c218030N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2508
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2508 -s 716
        3⤵
        • Program crash
        PID:1856
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2508 -ip 2508
    1⤵
      PID:32

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2508-0-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB

          • memory/2508-2-0x0000000010000000-0x0000000010030000-memory.dmp

            Filesize

            192KB