Overview

overview

10

Static

static

10

c0cd9c51c4...97.exe

windows10-1703-x64

10

Sharing

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General

  • Target

    c0cd9c51c4fc4f7805d5d2e5e08e3701c2214ab9ee25a239b2ab3c7af0c8e797.exe

  • Size

    348KB

  • Sample

    240620-qgq5datcrl

  • MD5

    11767ecb9deb6b80bf781e6f47b859d5

  • SHA1

    7eabf94ea15bef9d48100159ff54e5117d7ead77

  • SHA256

    c0cd9c51c4fc4f7805d5d2e5e08e3701c2214ab9ee25a239b2ab3c7af0c8e797

  • SHA512

    849f033d3d6a4a9969ccfee4a468a48c7c894326a8f0d6e3d64ecc00d6f92593af10da01319ef3b8ffd5fd34070735d1b8877a7b1fa9e7845c1b661edf16ddfd

  • SSDEEP

    6144:PyUhIvTCqL/0+Ad3zEGMcQbzGD5VeKyvh1UGoAhQqwO:qNTCKxANEKemqsGoAqqwO

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

127.0.0.1:4782

Mutex

QSR_MUTEX_Qfx1LgLjDrqR2O9eT4

Attributes
  • encryption_key

    1UqQuJicXDNgw96Qw7o7

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    winlogon.exe

  • subdirectory

    SubDir

Targets

    • Target

      c0cd9c51c4fc4f7805d5d2e5e08e3701c2214ab9ee25a239b2ab3c7af0c8e797.exe

    • Size

      348KB

    • MD5

      11767ecb9deb6b80bf781e6f47b859d5

    • SHA1

      7eabf94ea15bef9d48100159ff54e5117d7ead77

    • SHA256

      c0cd9c51c4fc4f7805d5d2e5e08e3701c2214ab9ee25a239b2ab3c7af0c8e797

    • SHA512

      849f033d3d6a4a9969ccfee4a468a48c7c894326a8f0d6e3d64ecc00d6f92593af10da01319ef3b8ffd5fd34070735d1b8877a7b1fa9e7845c1b661edf16ddfd

    • SSDEEP

      6144:PyUhIvTCqL/0+Ad3zEGMcQbzGD5VeKyvh1UGoAhQqwO:qNTCKxANEKemqsGoAqqwO

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks