General

  • Target

    windowsdesktop-runtime-7.0.20-win-x64 (2).exe

  • Size

    55.3MB

  • Sample

    250307-gh3p5awkx2

  • MD5

    b474f5f22ebde90237c77cf54c529a14

  • SHA1

    c1606df0870f304f0ed56adbd41290016044df3e

  • SHA256

    57e7c16e7226c9a29dbc3faedd9e5876cec494c7660528052f52160521e7b714

  • SHA512

    a0ed41e1672a25a9ee2cf3ca081e90f037b889100dbf8312e277447a801a4f3b7af464fa05fb796a24f89cd119102e8d0a382f4711e4e6263e5503642231da88

  • SSDEEP

    1572864:lOSP41JkTkHwVi1gRKN/fGeLE1ezCV/diWe:c+TkQVi1TRfGYEc+/diWe

Malware Config

Extracted

Family

xred

C2

xred.mooo.com

Attributes
  • email

    [email protected]

  • payload_url

    http://freedns.afraid.org/api/?action=getdyndns&sha=a30fa98efc092684e8d1c5cff797bcc613562978

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVlVsOGlEVGxuZVk&export=download

    https://www.dropbox.com/s/n1w4p8gc6jzo0sg/SUpdate.ini?dl=1

    http://xred.site50.net/syn/SUpdate.ini

    https://docs.google.com/uc?id=0BxsMXGfPIZfSVzUyaHFYVkQxeFk&export=download

    https://www.dropbox.com/s/zhp1b06imehwylq/Synaptics.rar?dl=1

    http://xred.site50.net/syn/Synaptics.rar

    https://docs.google.com/uc?id=0BxsMXGfPIZfSTmlVYkxhSDg5TzQ&export=download

    https://www.dropbox.com/s/fzj752whr3ontsm/SSLLibrary.dll?dl=1

    http://xred.site50.net/syn/SSLLibrary.dll

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

gurcu

C2

https://api.telegram.org/bot8138666723:AAFz0QLVYQ-iXcMbW6Mk_5LYnrAUlyZgTGw/sendMessage?chat_id=-4693422950

https://api.telegram.org/bot8138666723:AAFz0QLVYQ-iXcMbW6Mk_5LYnrAUlyZgTGw/editMessageText?chat_id=-4693422950

Targets

    • Target

      windowsdesktop-runtime-7.0.20-win-x64 (2).exe

    • Size

      55.3MB

    • MD5

      b474f5f22ebde90237c77cf54c529a14

    • SHA1

      c1606df0870f304f0ed56adbd41290016044df3e

    • SHA256

      57e7c16e7226c9a29dbc3faedd9e5876cec494c7660528052f52160521e7b714

    • SHA512

      a0ed41e1672a25a9ee2cf3ca081e90f037b889100dbf8312e277447a801a4f3b7af464fa05fb796a24f89cd119102e8d0a382f4711e4e6263e5503642231da88

    • SSDEEP

      1572864:lOSP41JkTkHwVi1gRKN/fGeLE1ezCV/diWe:c+TkQVi1TRfGYEc+/diWe

    • AsyncRat

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

    • Asyncrat family

    • Gurcu family

    • Gurcu, WhiteSnake

      Gurcu aka WhiteSnake is a malware stealer written in C#.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Stormkitty family

    • Xred

      Xred is backdoor written in Delphi.

    • Xred family

    • Async RAT payload

    • Command and Scripting Interpreter: PowerShell

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

    • Downloads MZ/PE file

    • 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.

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Enumerates processes with tasklist

    • UPX packed file

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

MITRE ATT&CK Enterprise v15

Tasks