Overview

overview

10

Static

static

10

Powershell.exe

windows10-1703-x64

10

Powershell.exe

windows10-2004-x64

10

Powershell.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    Powershell.exe

  • Size

    409KB

  • Sample

    240529-rfycqshf62

  • MD5

    4286aedc2a233ab74deb2670fa484866

  • SHA1

    860fdc6876a4948f5e352aa50910b9f13607c3fb

  • SHA256

    149ef8e77fbe162157f8462892235211b9f926a3454d615ad4c59e854e48ec82

  • SHA512

    fc3c7885a9f6af0a2d38375f1d256128a474a998c2359938955fff6e45d216dfa1942ccba2359b18f263219d95004b9e976524ef26c967c58cb29a7c6c93f097

  • SSDEEP

    12288:UpsD64e1MDEArEiVTqkllSmxmeN1AKXiLNk2+XRnS:ksG4kMsaGkllvxvuKyZ1N

Score
10/10
quasarseroxen | v3.1.5 |spywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

runderscore00-25501.portmap.host:25501

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes
  • encryption_key

    JCa22tR8WnO00adn2TuE

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      Powershell.exe

    • Size

      409KB

    • MD5

      4286aedc2a233ab74deb2670fa484866

    • SHA1

      860fdc6876a4948f5e352aa50910b9f13607c3fb

    • SHA256

      149ef8e77fbe162157f8462892235211b9f926a3454d615ad4c59e854e48ec82

    • SHA512

      fc3c7885a9f6af0a2d38375f1d256128a474a998c2359938955fff6e45d216dfa1942ccba2359b18f263219d95004b9e976524ef26c967c58cb29a7c6c93f097

    • SSDEEP

      12288:UpsD64e1MDEArEiVTqkllSmxmeN1AKXiLNk2+XRnS:ksG4kMsaGkllvxvuKyZ1N

    Score
    10/10
    quasarseroxen | v3.1.5 |spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • 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.

    behavioral1behavioral2behavioral3

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

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

Resource Development

Reconnaissance

Tasks