Overview

overview

10

Static

static

10

Saitama-External.exe

windows7-x64

10

Saitama-External.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Saitama-External.exe
  • Size 3.2MB
  • Sample240830-b9bsts1fma
  • SHA256 09d2155850e8826432051c3c86100633548c44ab6ff5cc6bde9a478f0e28ca2d
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04discoverymotwphishingspywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 10.2.0.2:4782

Mutex

  • 241d9c79-bb9c-47c0-a7af-9ce2f2cb3fc6

Attributes
  • encryption_key

    E9496D60E6BC03EDBB7743D7EF80FA6044D620B6

  • install_name

    Subtro.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    sustrat

  • subdirectory

    SubDir

Targets

    • Target
      Saitama-External.exe
    • Size 3.2MB
    • SHA256 09d2155850e8826432051c3c86100633548c44ab6ff5cc6bde9a478f0e28ca2d
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojandiscoverymotwphishing

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Mark of the Web detected: This indicates that the page was originally saved or cloned.

      phishingmotw

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks