General

  • Target

    JuneOrder.exe

  • Size

    510KB

  • Sample

    240730-k41z7swalp

  • MD5

    2b19d65705eee546214513fb65948b2a

  • SHA1

    20b6c01b9f20047fc9f3bf9baa14b5046cbc0012

  • SHA256

    106dc2ab6da5448b983e66c7c6850533006abf9176eb6ee3d58e101b83d8d47f

  • SHA512

    183bb9331b20d2f4118820bd372e5202220e29cfea2d5ae5fedd8d1a9bfaf548a9399aa604950553948899a1d75658e64480c660ce7f83bb89cd566e1385eb72

  • SSDEEP

    6144:+ldk1cWQRNTB2/Me7eC9g1HGnKBvYfew0PjZmwvhhlJdZBuUwXtgZcJeJ:+cv0NTg/XrRnKBwfOM0dayZKeJ

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

Default

C2

192.228.105.2:7707

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    true

  • install_file

    svchst.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      JuneOrder.exe

    • Size

      510KB

    • MD5

      2b19d65705eee546214513fb65948b2a

    • SHA1

      20b6c01b9f20047fc9f3bf9baa14b5046cbc0012

    • SHA256

      106dc2ab6da5448b983e66c7c6850533006abf9176eb6ee3d58e101b83d8d47f

    • SHA512

      183bb9331b20d2f4118820bd372e5202220e29cfea2d5ae5fedd8d1a9bfaf548a9399aa604950553948899a1d75658e64480c660ce7f83bb89cd566e1385eb72

    • SSDEEP

      6144:+ldk1cWQRNTB2/Me7eC9g1HGnKBvYfew0PjZmwvhhlJdZBuUwXtgZcJeJ:+cv0NTg/XrRnKBwfOM0dayZKeJ

    • AsyncRat

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

    • Async RAT payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Downloads MZ/PE file

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Adds Run key to start application

MITRE ATT&CK Enterprise v15

Tasks