Analysis

  • max time kernel
    90s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 15:37

General

  • Target

    3a0b6de6cae6a6e910bbf7b801284ff124bf759aa07535b9079e613420384035.exe

  • Size

    544KB

  • MD5

    600e370998e478c2206abc27f2380eb1

  • SHA1

    a513ac5e7614ddf6ad1711f5cc28b581aadfd82c

  • SHA256

    3a0b6de6cae6a6e910bbf7b801284ff124bf759aa07535b9079e613420384035

  • SHA512

    93557acbaa890111413d7a7c64fe28ab80072827db88a630eecbe6ec48436d85e00877fd6820de40ee92d84a88a4ddf416be8cebec7fd2dae12f17f94b44d74c

  • SSDEEP

    12288:UsAqMGHG7aBrhgCQJq7mDqdSsrdfF2ELdUO02+DgU4yHlc7F:Us8yrLcpsris90JD94GliF

Score
10/10

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in System32 directory 6 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a0b6de6cae6a6e910bbf7b801284ff124bf759aa07535b9079e613420384035.exe
    "C:\Users\Admin\AppData\Local\Temp\3a0b6de6cae6a6e910bbf7b801284ff124bf759aa07535b9079e613420384035.exe"
    1⤵
    • Modifies system executable filetype association
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    PID:632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 632 -s 720
      2⤵
      • Program crash
      PID:916
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 632 -ip 632
    1⤵
      PID:3084

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Persistence

    Change Default File Association

    1
    T1042

    Registry Run Keys / Startup Folder

    2
    T1060

    Defense Evasion

    Modify Registry

    3
    T1112

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/632-132-0x0000000000400000-0x0000000000435000-memory.dmp
      Filesize

      212KB

    • memory/632-133-0x0000000000400000-0x0000000000435000-memory.dmp
      Filesize

      212KB