Overview

overview

10

Static

static

10

Build.exe

windows11-21h2-x64

Sharing

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General

  • Target

    Build.exe

  • Size

    3.1MB

  • Sample

    240518-eb1wvaae81

  • MD5

    f4e8ba6e5317afb76d2824cd66fd0ee5

  • SHA1

    9b5c76df487b31be7406462fb7b47f92ddbc2913

  • SHA256

    04d6d049461760e618b83991580b42bc4155e4bd26fae20dd6c0f20ac68f2eb5

  • SHA512

    1083bfff342f8d36f3deb903451f13fe715ae6e9cd033930ac513f8948adfdefe7d438807c80d1f6bdf101f9392e31b8e1e228b443bed2982a3af4ac37098bce

  • SSDEEP

    49152:2vFt62XlaSFNWPjljiFa2RoUYI45zWPpLoGd8HTHHB72eh2NT:2v362XlaSFNWPjljiFXRoUYI45zWP5

Score
10/10
quasarsteamhelperspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

SteamHelper

C2

192.168.10.149:4782

Mutex

e4aae33b-e31c-49fd-b689-bef88dbb5ec5

Attributes
  • encryption_key

    AAC6E8ABF533EB37C22C1AA75BAA0CE9F73D90CC

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SteamHelper

  • subdirectory

    SteamHelper

Targets

    • Target

      Build.exe

    • Size

      3.1MB

    • MD5

      f4e8ba6e5317afb76d2824cd66fd0ee5

    • SHA1

      9b5c76df487b31be7406462fb7b47f92ddbc2913

    • SHA256

      04d6d049461760e618b83991580b42bc4155e4bd26fae20dd6c0f20ac68f2eb5

    • SHA512

      1083bfff342f8d36f3deb903451f13fe715ae6e9cd033930ac513f8948adfdefe7d438807c80d1f6bdf101f9392e31b8e1e228b443bed2982a3af4ac37098bce

    • SSDEEP

      49152:2vFt62XlaSFNWPjljiFa2RoUYI45zWPpLoGd8HTHHB72eh2NT:2v362XlaSFNWPjljiFXRoUYI45zWP5

    Score
    10/10
    quasarsteamhelperspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    behavioral1

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

System Information Discovery

2
T1082

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks