General

  • Target

    8eb0decf8260bff5514cdae9f536b7af282c514d2bed4770ce887ac86d767196

  • Size

    34.8MB

  • Sample

    250325-xt9ktavks2

  • MD5

    cb0a22d05978b2e41a38dbc0b8e18519

  • SHA1

    c07e0f474595ed1bf9a040b7f72902e32d83cd1a

  • SHA256

    8eb0decf8260bff5514cdae9f536b7af282c514d2bed4770ce887ac86d767196

  • SHA512

    c92a79e3ed02756d38150edf493cb4df4a61537594bc6c8b926c058a20be4d8041d1e360e8649d2ce2969388f5856fe43d54baf15438bd094df4e672e0faddf8

  • SSDEEP

    786432:Wb3crXJY6tIHUrznnbjYWtND+rhvviy2BFo0yqPoYmBR73h5ITWb59ZHWdp:WbsrZY0rznn3YWWlvT27Jo5B9RWTWb5c

Malware Config

Extracted

Family

asyncrat

Version

1.0.7 - modded by last

Botnet

Default

C2

letaryzipthone.ddns.net:9899

Mutex

DcRatMutex_qwqdanchun

Attributes
  • delay

    1

  • install

    true

  • install_file

    RuntimeBroker.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot7375914494:AAFg7abzayPkXsZ-aOwL0bNzXG_Do7nWn34/sendMessage?chat_id=5723422959

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

letaryzipthone.ddns.net:4444

Mutex

2f8a8ccfde8351da368cd6477cb06a99

Attributes
  • reg_key

    2f8a8ccfde8351da368cd6477cb06a99

  • splitter

    |'|'|

Targets

    • Target

      8eb0decf8260bff5514cdae9f536b7af282c514d2bed4770ce887ac86d767196

    • Size

      34.8MB

    • MD5

      cb0a22d05978b2e41a38dbc0b8e18519

    • SHA1

      c07e0f474595ed1bf9a040b7f72902e32d83cd1a

    • SHA256

      8eb0decf8260bff5514cdae9f536b7af282c514d2bed4770ce887ac86d767196

    • SHA512

      c92a79e3ed02756d38150edf493cb4df4a61537594bc6c8b926c058a20be4d8041d1e360e8649d2ce2969388f5856fe43d54baf15438bd094df4e672e0faddf8

    • SSDEEP

      786432:Wb3crXJY6tIHUrznnbjYWtND+rhvviy2BFo0yqPoYmBR73h5ITWb59ZHWdp:WbsrZY0rznn3YWWlvT27Jo5B9RWTWb5c

    • AsyncRat

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

    • Asyncrat family

    • Njrat family

    • StormKitty

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

    • StormKitty payload

    • Stormkitty family

    • njRAT/Bladabindi

      Widely used RAT written in .NET.

    • Async RAT payload

    • Modifies Windows Firewall

    • Checks computer location settings

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

    • Drops startup file

    • 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

    • Drops desktop.ini file(s)

    • 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.

MITRE ATT&CK Enterprise v15

Tasks