General

  • Target

    spectrum.exe

  • Size

    502KB

  • Sample

    241216-g9g8hazldl

  • MD5

    1441905fc4082ee6055ea39f5875a6c5

  • SHA1

    78f91f9f9ffe47e5f47e9844bd026d150146744e

  • SHA256

    1b05c4d74e0d17a983f9b91aa706a7a60f37ec270b7e2433d6798afa1c7be766

  • SHA512

    70e9ab0e49b4bf89505f16c499538daebc1e8da72488cd63ff60747d15a1d486ba38802b0622c9240d10ff68ab32e6bb36a0b809e7cd0e2ec4945d023ce86c5c

  • SSDEEP

    12288:gTEgdfYe/iKg3qFE4/ywNFpdrdwzTCcdj:1UwC5F9ywNFpdJ7cdj

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

Office04

C2

192.168.31.99:4782

2001:4bc9:1f98:a4e::676:4782

255.255.255.0:4782

fe80::cabf:4cff:fe84:9572%17:4782

Mutex

1f65a787-81b8-4955-95e4-b7751e10cd50

Attributes
  • encryption_key

    A0B82A50BBC49EC084E3E53A9E34DF58BD7050B9

  • install_name

    Java Updater.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java Updater

  • subdirectory

    SubDir

Targets

    • Target

      spectrum.exe

    • Size

      502KB

    • MD5

      1441905fc4082ee6055ea39f5875a6c5

    • SHA1

      78f91f9f9ffe47e5f47e9844bd026d150146744e

    • SHA256

      1b05c4d74e0d17a983f9b91aa706a7a60f37ec270b7e2433d6798afa1c7be766

    • SHA512

      70e9ab0e49b4bf89505f16c499538daebc1e8da72488cd63ff60747d15a1d486ba38802b0622c9240d10ff68ab32e6bb36a0b809e7cd0e2ec4945d023ce86c5c

    • SSDEEP

      12288:gTEgdfYe/iKg3qFE4/ywNFpdrdwzTCcdj:1UwC5F9ywNFpdJ7cdj

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Enterprise v15

Tasks