General

  • Target

    Hebleeds.exe

  • Size

    34.1MB

  • Sample

    240711-ryencazhjq

  • MD5

    ba1d0780f519ee2807e153d51df5916e

  • SHA1

    03f9b5b21a1911ea068e668b041ff827ca0891d7

  • SHA256

    aefa057d6fb6507bf21f0243fe2c57a8614fdde589faa78b21929e483ff98a29

  • SHA512

    d31b05daeb984427c4b5c476169cdab442723c51324938fc3df700f91ecb35b5b5ba5b1b11297c170fcee0bf2c56d9db7b2ef18b289042eb7a7373745faa9d89

  • SSDEEP

    786432:3p039FS+ab44n6ASQSc6k00CZcKoTMS4uEgbFtNFEtKN:3ps9Fnab4+6DQSc6JUCS1NOK

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

      Hebleeds.exe

    • Size

      34.1MB

    • MD5

      ba1d0780f519ee2807e153d51df5916e

    • SHA1

      03f9b5b21a1911ea068e668b041ff827ca0891d7

    • SHA256

      aefa057d6fb6507bf21f0243fe2c57a8614fdde589faa78b21929e483ff98a29

    • SHA512

      d31b05daeb984427c4b5c476169cdab442723c51324938fc3df700f91ecb35b5b5ba5b1b11297c170fcee0bf2c56d9db7b2ef18b289042eb7a7373745faa9d89

    • SSDEEP

      786432:3p039FS+ab44n6ASQSc6k00CZcKoTMS4uEgbFtNFEtKN:3ps9Fnab4+6DQSc6JUCS1NOK

    • Gurcu, WhiteSnake

      Gurcu is a malware stealer written in C#.

    • MilleniumRat

      MilleniumRat is a remote access trojan written in C#.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Contacts a large (5128) amount of remote hosts

      This may indicate a network scan to discover remotely running services.

    • 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 BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • 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.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks