Overview

overview

10

Static

static

5dd3a4cd00...94.exe

windows7_x64

10

5dd3a4cd00...94.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    5dd3a4cd00a5c5ce6335975b1541a39067f8c34f407202d7d631214bbfe47094

  • Size

    9.0MB

  • Sample

    220516-p7rm6aehfm

  • MD5

    987bb8bcc92a914d249989e8cca3b2e9

  • SHA1

    d09cfc64e1e7b22eb99fcc77c35d0286dfa74d26

  • SHA256

    5dd3a4cd00a5c5ce6335975b1541a39067f8c34f407202d7d631214bbfe47094

  • SHA512

    23d5356cfbbb8ad8e43e9d1a038f2c30a226fbb43b98bd1062317550bdee099aef51d1ede79781e449f8349b02bc1e67d604342995e89f03d8e3c4be061ea0bd

Score
10/10
quasarbusinessspywaresuricatatrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Business

C2

craft.ooguy.com:1981

Mutex

GpDg1xgoq8qb9M6Jp6

Attributes
  • encryption_key

    bJJpHxbw80umglURXtYY

  • install_name

    Client.exe

  • log_directory

    4k

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      5dd3a4cd00a5c5ce6335975b1541a39067f8c34f407202d7d631214bbfe47094

    • Size

      9.0MB

    • MD5

      987bb8bcc92a914d249989e8cca3b2e9

    • SHA1

      d09cfc64e1e7b22eb99fcc77c35d0286dfa74d26

    • SHA256

      5dd3a4cd00a5c5ce6335975b1541a39067f8c34f407202d7d631214bbfe47094

    • SHA512

      23d5356cfbbb8ad8e43e9d1a038f2c30a226fbb43b98bd1062317550bdee099aef51d1ede79781e449f8349b02bc1e67d604342995e89f03d8e3c4be061ea0bd

    Score
    10/10
    quasarbusinessspywaresuricatatrojan

    • 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

    • Checks computer location settings

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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    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

Query Registry

1
T1012

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks