General

  • Target

    exm.bat

  • Size

    672KB

  • Sample

    241225-c31ztavpcm

  • MD5

    370aa4901be86e11a72afff222c86e92

  • SHA1

    e096c9d5c9f569ce2ef635e85637770911e776ba

  • SHA256

    93a217610764ba1fd4f3a6be92aee28d3ebb68bd97acac624d32eb5d74c66b83

  • SHA512

    03ae1394b77920b8f3efa719bf0fda67863b320a5751e6a21100a26426a3519eb352f765c4ea079e9272f173980ec2b07b2ef48c61de21c0570a1956fb83eeb7

  • SSDEEP

    3072:BIGzQbmbkAqA2xH7VkKEn14IZVvisLur+KW:BIGiVNEn14IZVvisL4W

Malware Config

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/bot7538644364:AAHEMV7mmxz6PSRgzo0ORf3_n0BaazmrAqk/sendMessage?chat_id=7541917888

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Extracted

Family

xworm

Attributes
  • Install_directory

    %LocalAppData%

  • install_file

    USB.exe

  • pastebin_url

    https://pastebin.com/raw/ZnhxAV6a

  • telegram

    https://api.telegram.org/bot7538644364:AAHEMV7mmxz6PSRgzo0ORf3_n0BaazmrAqk/sendMessage?chat_id=7541917888

Targets

    • Target

      exm.bat

    • Size

      672KB

    • MD5

      370aa4901be86e11a72afff222c86e92

    • SHA1

      e096c9d5c9f569ce2ef635e85637770911e776ba

    • SHA256

      93a217610764ba1fd4f3a6be92aee28d3ebb68bd97acac624d32eb5d74c66b83

    • SHA512

      03ae1394b77920b8f3efa719bf0fda67863b320a5751e6a21100a26426a3519eb352f765c4ea079e9272f173980ec2b07b2ef48c61de21c0570a1956fb83eeb7

    • SSDEEP

      3072:BIGzQbmbkAqA2xH7VkKEn14IZVvisLur+KW:BIGiVNEn14IZVvisL4W

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • StormKitty

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

    • StormKitty payload

    • Stormkitty family

    • UAC bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Async RAT payload

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

    • Drops desktop.ini file(s)

    • Legitimate hosting services abused for malware hosting/C2

    • 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