General

  • Target

    SecuriteInfo.com.Trojan.Kronos.21.31435.19434

  • Size

    329KB

  • Sample

    210317-74ztzylpsa

  • MD5

    37c564ae4779a505b190aa2520bb7266

  • SHA1

    ef79b2bf788efc094b391f938c326ab61f17237b

  • SHA256

    b8f765e5e9932ebe8820755b8d75eb00eb6b097316d98cd38bf9224fbf7fb82d

  • SHA512

    eda61c01b97d8031bd6a0f4c22e3eeaff0a18d1f9ca8836b76c6ca97cf06f48384df4827e40e2ead03d6b9c7a916f5c8939186ab10731893334988eebac5b3a5

Malware Config

Targets

    • Target

      SecuriteInfo.com.Trojan.Kronos.21.31435.19434

    • Size

      329KB

    • MD5

      37c564ae4779a505b190aa2520bb7266

    • SHA1

      ef79b2bf788efc094b391f938c326ab61f17237b

    • SHA256

      b8f765e5e9932ebe8820755b8d75eb00eb6b097316d98cd38bf9224fbf7fb82d

    • SHA512

      eda61c01b97d8031bd6a0f4c22e3eeaff0a18d1f9ca8836b76c6ca97cf06f48384df4827e40e2ead03d6b9c7a916f5c8939186ab10731893334988eebac5b3a5

    • Nirsoft

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Uses Tor communications

      Malware can proxy its traffic through Tor for more anonymity.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Command and Control

Connection Proxy

1
T1090

Tasks