Extracted

• • Target
    AsyncClient.exe
  • Size 45KB
  • SHA256 cbedcca6956457e43397a42f31cd90b9eb4160ca24ff96fa59fba34ce0b03e30
  • MD5 8543cda2d2955099f1f2b95dd8ac4fe4
  • SHA1 246e7b73c9ddddcf3ff32efc85eb433302897621
  • SHA512 c6864f2e848b598d2552f48cd1efa7f3550ba5b701b07b09157f9c953af450677eee5db6a9ec08d35be0fea009ff86c67135d47c2fc3ebfb319540626d1cc62d
  • SSDEEP 768:RuyN5TdMhGqWU8Durmo2qrlOjPGagAWOzjbFgX3il1sjzleIBevccDZqf+:RuyN5TdCf2kOTKTO3bCXSl0lTBWTdqf+
  • TLSH
    T16B231B003BE9822BF2BE4F7899F26145867AF2632603D54E1CC451DB5613FC69A426FE
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  adwaredefaultdefense_evasiondiscoveryexecutionasyncratpersistenceprivilege_escalationratspywarestealertrojanupx

  • Family: AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat

  • Downloads MZ/PE file

  • Event Triggered Execution: Component Object Model Hijacking

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    persistenceprivilege_escalation

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies system executable filetype association

    persistence

  • Reads user/profile data of web browsers

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer

  • Writes a Windows system DLL name to a user directory

    A module named after a system DLL outside System32 can be loaded instead of the real one by a program searching that directory.

    defense_evasion

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops Chrome extension

  • Drops desktop.ini file(s)

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Network Service Discovery

    Attempt to gather information on host's network.

    discovery

  • UPX packed file

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

    upx
  behavioral1