General

  • Target

    Payment-Order24560274for8380USD.exe

  • Size

    392KB

  • Sample

    241230-l3cfwsvjcl

  • MD5

    eac2017286abefbd21b28e7f9fcab248

  • SHA1

    02f90ba750bf3801e286ecfbf3467110f8b2ef94

  • SHA256

    e8f6dc455cea42a08feb8fcf5a34928864d537ec5ec905576cee58c9fabd6a5f

  • SHA512

    fa0a14b1bfce0fac1bbb1488f319dd864b9a94e784a6a637907d3bd31dddb80043de71ee582def13e72b9a4c2490c1738fa8d676feb3bc519d26bc75936db48b

  • SSDEEP

    12288:OaoO2yd67Jss86xlfLfC7hgooOK6YQMhUZC9WpVyi:OnV8gooOeQtrl

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

91.223.3.156:7707

91.223.3.156:8808

Mutex

TcNC0kSWrpnZ

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Version

3.1

C2

212.23.222.198:7000

Mutex

Ihzd02cPcnJ09l8B

Attributes
  • install_file

    USB.exe

aes.plain

Targets

    • Target

      Payment-Order24560274for8380USD.exe

    • Size

      392KB

    • MD5

      eac2017286abefbd21b28e7f9fcab248

    • SHA1

      02f90ba750bf3801e286ecfbf3467110f8b2ef94

    • SHA256

      e8f6dc455cea42a08feb8fcf5a34928864d537ec5ec905576cee58c9fabd6a5f

    • SHA512

      fa0a14b1bfce0fac1bbb1488f319dd864b9a94e784a6a637907d3bd31dddb80043de71ee582def13e72b9a4c2490c1738fa8d676feb3bc519d26bc75936db48b

    • SSDEEP

      12288:OaoO2yd67Jss86xlfLfC7hgooOK6YQMhUZC9WpVyi:OnV8gooOeQtrl

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • UAC bypass

    • Windows security bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks