Overview

overview

10

Static

static

10

4e9e02f9b5...fa.exe

windows7_x64

10

4e9e02f9b5...fa.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4e9e02f9b59d580cee08f8f3e7804f7a8f8b12c93e027ba6fd211ac4815e98fa

  • Size

    348KB

  • Sample

    220524-tw2q7shdg5

  • MD5

    6e5fef5da8810aa3fffad5a486c68cf3

  • SHA1

    70f6507e9b2644fbcb75c78c6660dbdca4da5ef0

  • SHA256

    4e9e02f9b59d580cee08f8f3e7804f7a8f8b12c93e027ba6fd211ac4815e98fa

  • SHA512

    94dec0822aef151ec843732e9f13d550c59bb4575f8fff7822f5c2bf4d36854dc0c4061dbbcd6c2377aaac77ad86aa48092515fdc7388148e76db96f8417d027

Score
10/10
quasarsystemspywaresuricatatrojan

Malware Config

Extracted

Family

quasar

Version

1.1.0.0

Botnet

System

C2

82.202.167.203:4444

Mutex

xTSR_MUTEX_JOBXsgj4pMGMmIDVNc

Attributes
  • encryption_key

    eu7tm2CUeFG5FGwJlQkW

  • install_name

    core.exe

  • log_directory

    logs

  • reconnect_delay

    3000

  • startup_key

    System Core

  • subdirectory

    system

Targets

    • Target

      4e9e02f9b59d580cee08f8f3e7804f7a8f8b12c93e027ba6fd211ac4815e98fa

    • Size

      348KB

    • MD5

      6e5fef5da8810aa3fffad5a486c68cf3

    • SHA1

      70f6507e9b2644fbcb75c78c6660dbdca4da5ef0

    • SHA256

      4e9e02f9b59d580cee08f8f3e7804f7a8f8b12c93e027ba6fd211ac4815e98fa

    • SHA512

      94dec0822aef151ec843732e9f13d550c59bb4575f8fff7822f5c2bf4d36854dc0c4061dbbcd6c2377aaac77ad86aa48092515fdc7388148e76db96f8417d027

    Score
    10/10
    suricataquasarsystemspywaretrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • suricata: ET MALWARE Common RAT Connectivity Check Observed

      suricata: ET MALWARE Common RAT Connectivity Check Observed

      suricata

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks