Overview

overview

10

Static

static

10

srxchost.exe

windows7-x64

10

srxchost.exe

windows10-1703-x64

10

srxchost.exe

windows10-2004-x64

10

srxchost.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    srxchost.exe

  • Size

    409KB

  • Sample

    240606-n5ncaadg9t

  • MD5

    3646d83b4b68c7a7de0c4cb99c6550c9

  • SHA1

    1f84405a3a18a24d58eb62a13dd1cfe5c4b6d3d1

  • SHA256

    12dc2f09f5cb5160771e12b5128de26fde6bab70cee6d063859eea955df1216c

  • SHA512

    707b7b35f9504fa4b18ca1175e010771e67c3096b2d7552dc03c0bfb1bb377bfe360e2b49ce3ebc1408b6fac9838e5b8af26721650e8b5823969a12501fb0107

  • SSDEEP

    12288:9piREGJiVp4B6eODSwejGz1VIudSJRZfwmJweOJsn:TwpJj8Nd+RZImJf

Score
10/10
quasarseroxen | v3.1.5 |spywaretrojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

dating-mpegs.gl.at.ply.gg:6566

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes
  • encryption_key

    RtxBjTfEK9dH2O6DfNVH

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      srxchost.exe

    • Size

      409KB

    • MD5

      3646d83b4b68c7a7de0c4cb99c6550c9

    • SHA1

      1f84405a3a18a24d58eb62a13dd1cfe5c4b6d3d1

    • SHA256

      12dc2f09f5cb5160771e12b5128de26fde6bab70cee6d063859eea955df1216c

    • SHA512

      707b7b35f9504fa4b18ca1175e010771e67c3096b2d7552dc03c0bfb1bb377bfe360e2b49ce3ebc1408b6fac9838e5b8af26721650e8b5823969a12501fb0107

    • SSDEEP

      12288:9piREGJiVp4B6eODSwejGz1VIudSJRZfwmJweOJsn:TwpJj8Nd+RZImJf

    Score
    10/10
    quasarseroxen | v3.1.5 |spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    behavioral1behavioral2behavioral3behavioral4

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

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks