General

  • Target

    EXM_Premium_Tweaking_Utility_1.0_Cracked.bat

  • Size

    672KB

  • Sample

    241207-vcqp9sxjcy

  • MD5

    f9ca73d63fe61c4c401528fb470ce08e

  • SHA1

    584f69b507ddf33985673ee612e6099aff760fb1

  • SHA256

    16431cc14917abeb316e0bc44045440a8f86b7ac4fdd0dce99de6435d493ecca

  • SHA512

    6fd03320ec84baf09a16a127c2c0ed3c265906fcb1a3b807c13001e775c396b66539238392438a8f290be04b8b8684050736331f8f99dbe8b868b44f154dd9de

  • SSDEEP

    3072:BIGzQbmbkAqA2xH7VkKEn14IZVvisLur+K3:BIGiVNEn14IZVvisL43

Malware Config

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

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

Targets

    • Target

      EXM_Premium_Tweaking_Utility_1.0_Cracked.bat

    • Size

      672KB

    • MD5

      f9ca73d63fe61c4c401528fb470ce08e

    • SHA1

      584f69b507ddf33985673ee612e6099aff760fb1

    • SHA256

      16431cc14917abeb316e0bc44045440a8f86b7ac4fdd0dce99de6435d493ecca

    • SHA512

      6fd03320ec84baf09a16a127c2c0ed3c265906fcb1a3b807c13001e775c396b66539238392438a8f290be04b8b8684050736331f8f99dbe8b868b44f154dd9de

    • SSDEEP

      3072:BIGzQbmbkAqA2xH7VkKEn14IZVvisLur+K3:BIGiVNEn14IZVvisL43

    • AsyncRat

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

    • Asyncrat family

    • Detect Xworm Payload

    • Modifies security service

    • 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

    • Disables taskbar notifications via registry modification

    • Event Triggered Execution: Image File Execution Options Injection

    • Sets service image path in registry

    • 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.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Indicator Removal: Clear Persistence

      remove IFEO.

    • 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.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks