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General

  • Target

    1popitich.jpg

  • Size

    18KB

  • Sample

    240510-wl84msaa61

  • MD5

    2bfc65e8f899cbdc6f0af9c4847beadd

  • SHA1

    dfcc391bcf3403375397817c643fd362f6322e1f

  • SHA256

    f01dd873e209facc6309638134b3f02378482f436ac441d5e0e619acd5dc8824

  • SHA512

    a2c5f1c550a44f205497719087a54cb296811ae317d78d7f30dbf1694701e0fab53d936206634b503f122f83eb6345e711baaf47ed0c14df761c259f3932ab1b

  • SSDEEP

    384:V4g1lmyIzAKCvfGFbWaiFuvT3Vbz7UVmZdfKNhdfkUR/INHJYbUUPojDZJs:V4+hItqOF6aiFilH7U4XijKU9INpYviM

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SynapseX

C2

espiny-38468.portmap.host:38468

Mutex

987e6177-8b62-48ea-8ca9-c699971b74ba

Attributes
  • encryption_key

    C7EC88A5CCB59BD73EF3F7D4787818BE89C06664

  • install_name

    Boot 10.5.exe

  • log_directory

    Windows Logs

  • reconnect_delay

    3000

  • startup_key

    Windows 10 Boot

  • subdirectory

    Windows 10 Boot

Targets

    • Target

      1popitich.jpg

    • Size

      18KB

    • MD5

      2bfc65e8f899cbdc6f0af9c4847beadd

    • SHA1

      dfcc391bcf3403375397817c643fd362f6322e1f

    • SHA256

      f01dd873e209facc6309638134b3f02378482f436ac441d5e0e619acd5dc8824

    • SHA512

      a2c5f1c550a44f205497719087a54cb296811ae317d78d7f30dbf1694701e0fab53d936206634b503f122f83eb6345e711baaf47ed0c14df761c259f3932ab1b

    • SSDEEP

      384:V4g1lmyIzAKCvfGFbWaiFuvT3Vbz7UVmZdfKNhdfkUR/INHJYbUUPojDZJs:V4+hItqOF6aiFilH7U4XijKU9INpYviM

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Downloads MZ/PE file

    • Sets file execution options in registry

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Registers COM server for autorun

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks