Analysis

  • max time kernel
    92s
  • max time network
    93s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-12-2024 08:37

General

  • Target

    76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll

  • Size

    76KB

  • MD5

    694b853713cc2eaef09dafd1959a97e0

  • SHA1

    e86fe887e1a4139c1323de1e04f315094405a656

  • SHA256

    76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8

  • SHA512

    3b5b14a236f6521e5e592cb0f462c8eee92ee72e2f94002eed7e6beb2ff77700bf0ba932970fb41b55d583761d0a19f939c61b9a6ab33481f24537d58b979dc0

  • SSDEEP

    1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZJ3j2ln:c8y93KQjy7G55riF1cMo03z3M

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\76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5040
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\76ab03c7aa7266107316b3bac9f17dfeb8c55aee94280960a1eb1f18c3c720c8N.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4456
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4456 -s 712
        3⤵
        • Program crash
        PID:2512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4456 -ip 4456
    1⤵
      PID:1960

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4456-0-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB

    • memory/4456-2-0x0000000010000000-0x0000000010030000-memory.dmp

      Filesize

      192KB