General

  • Target

    Client-built1.exe

  • Size

    3.1MB

  • Sample

    240406-yxn9qahg6s

  • MD5

    aec40a6d5ac500161b144855635b210a

  • SHA1

    50784bcc66d785fec2031dc8537f92bde9104ea8

  • SHA256

    019164c82a0309c702458c78a20ba702bf78cb62135fab35ce1711f71d191cce

  • SHA512

    229d35a2a252a7023e70b88d42f84c9be9bd72e4a4c9de96e21cb2b84859147ded6834694aeee13d61172ce4a626f05947ffefa11ec4e3e22d430a73578b26a6

  • SSDEEP

    49152:Kv2I22SsaNYfdPBldt698dBcjHLjxNESEHk/iTLoGdNQTHHB72eh2NT:Kvb22SsaNYfdPBldt6+dBcjH3xCf

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

wasted9sss1-26365.portmap.io:4782

Mutex

ecd9c01a-82c1-4251-8d76-1e2891bf0dd3

Attributes
  • encryption_key

    517C077DB1E3D3485387F0B31BBF986E71312477

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    system32

  • subdirectory

    SubDir

Targets

    • Target

      Client-built1.exe

    • Size

      3.1MB

    • MD5

      aec40a6d5ac500161b144855635b210a

    • SHA1

      50784bcc66d785fec2031dc8537f92bde9104ea8

    • SHA256

      019164c82a0309c702458c78a20ba702bf78cb62135fab35ce1711f71d191cce

    • SHA512

      229d35a2a252a7023e70b88d42f84c9be9bd72e4a4c9de96e21cb2b84859147ded6834694aeee13d61172ce4a626f05947ffefa11ec4e3e22d430a73578b26a6

    • SSDEEP

      49152:Kv2I22SsaNYfdPBldt698dBcjHLjxNESEHk/iTLoGdNQTHHB72eh2NT:Kvb22SsaNYfdPBldt6+dBcjH3xCf

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks