General

  • Target

    jet (1).zip

  • Size

    112.6MB

  • Sample

    240712-xcswqsxfpc

  • MD5

    de779c3b4e36d82762dfc61ce9c9bbf2

  • SHA1

    6fbd58a60b3095ac4be7700006237ca9a3f5772e

  • SHA256

    5188c69bd772ebe6ca8b34e8c08eec90f63ffcf1d6ab20287e074732da21076a

  • SHA512

    71f857ae4bd5565654c1b4bb049e082d0f4a7d0fa8cb2d789581a35b9cc956f6855f295fb65156721e95c20af6291e2a735067647ed46d46e7f9def021546948

  • SSDEEP

    3145728:HtfPhRs9D5Zi+mHm47bSZvkG5MQbZ+mSUvh044h:HtfPnsLZi+mHm4XSZ35MAB044

Malware Config

Extracted

Family

gurcu

C2

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%82%20-%20Browser%20data%0A%E2%94%9C%E2%94%80%E2%94%80%20%F0%9F%93%82%20-%20cookies(0%20kb

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendMessage?chat_id=-1002245526003

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/getUpdates?offset=-

https://api.telegram.org/bot7258239318:AAE_J6DhWLSRk9YOV8l1ienRdy5HsJZuR6I/sendDocument?chat_id=-1002245526003&caption=%F0%9F%93%B8Screenshot%20take

Targets

    • Target

      jet (1).zip

    • Size

      112.6MB

    • MD5

      de779c3b4e36d82762dfc61ce9c9bbf2

    • SHA1

      6fbd58a60b3095ac4be7700006237ca9a3f5772e

    • SHA256

      5188c69bd772ebe6ca8b34e8c08eec90f63ffcf1d6ab20287e074732da21076a

    • SHA512

      71f857ae4bd5565654c1b4bb049e082d0f4a7d0fa8cb2d789581a35b9cc956f6855f295fb65156721e95c20af6291e2a735067647ed46d46e7f9def021546948

    • SSDEEP

      3145728:HtfPhRs9D5Zi+mHm47bSZvkG5MQbZ+mSUvh044h:HtfPnsLZi+mHm4XSZ35MAB044

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

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

    • Stops running service(s)

    • 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.

    • UPX packed file

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks