General

  • Target

    eCEDOE

  • Size

    518B

  • Sample

    240531-xn2b9ahf51

  • MD5

    4d1663a0ae7ea388d58585f604fb83cd

  • SHA1

    d5e81bc6f4913c2ccc586f573806f79833e5bf62

  • SHA256

    8ff6a899594731102074028794a8fab31d38857a976a0bb90b341f7f8b8554cb

  • SHA512

    a0373a4571e290123a321368c899799ddde5ecc29cf6f7863b045cde580d8390852cfec292879fa65a15f5d7a971c1bd72b43da568d15ebb4286cac4c6455663

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

37.19.205.146:4782

107.203.232.8:80

107.203.232.8:3012

77.111.246.47:3012

76.11.167.128:3012

Mutex

1cd14fab-fbed-4b3d-a27d-f64eca81a694

Attributes
  • encryption_key

    C401F5E4B21F440F2783CBEC4404C9124B18FE39

  • install_name

    SASRP Token Logger.exe

  • log_directory

    Logs

  • reconnect_delay

    2998

  • startup_key

    SASRP | CIA RAT

  • subdirectory

    SASRP_Token_Logger

Targets

    • Target

      eCEDOE

    • Size

      518B

    • MD5

      4d1663a0ae7ea388d58585f604fb83cd

    • SHA1

      d5e81bc6f4913c2ccc586f573806f79833e5bf62

    • SHA256

      8ff6a899594731102074028794a8fab31d38857a976a0bb90b341f7f8b8554cb

    • SHA512

      a0373a4571e290123a321368c899799ddde5ecc29cf6f7863b045cde580d8390852cfec292879fa65a15f5d7a971c1bd72b43da568d15ebb4286cac4c6455663

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks