Overview

overview

10

Static

static

1

EyeClient.bat

windows7-x64

8

EyeClient.bat

windows10-2004-x64

10

Sharing

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General

  • Target

    EyeClient.bat

  • Size

    1.6MB

  • Sample

    240618-3rlnvszajh

  • MD5

    14aab9541c84b99b2aa9c6fca75b1293

  • SHA1

    7873f0564700a9edeff8773699917aac9e1f37ab

  • SHA256

    43d39150b517021802a0c66141d4c433e43ca1c73abe4f16efbfe95d4cfa9735

  • SHA512

    1491e2103fd086cd22826bf9294d34dd69b9396326c0675bbb67d683d773a303220d966cafbf964ea0cb8540abb646c38adc4dbe2e67fb55aa03b5d0b1a800ce

  • SSDEEP

    24576:7x2aKbzvuTA8Udd82UvNfewSoNE8d3P+Yu+u4gCHydZYzAB5k9pMDi9iKAlpiN:N2Bu5lhD3P3bhUi9RAC

Score
10/10
quasareyewalledexecutionspywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Eyewalled

C2

147.185.221.18:18043

147.185.221.18:1358
Mutex

a3d2b6d9-f229-4f07-a990-dabdf6a10cde

Attributes
  • encryption_key

    B3AE4475AF1A6844B3AC5E40D6C3D2D1114C7DFA

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3001

  • startup_key

    Github.git

  • subdirectory

    Management

Targets

    • Target

      EyeClient.bat

    • Size

      1.6MB

    • MD5

      14aab9541c84b99b2aa9c6fca75b1293

    • SHA1

      7873f0564700a9edeff8773699917aac9e1f37ab

    • SHA256

      43d39150b517021802a0c66141d4c433e43ca1c73abe4f16efbfe95d4cfa9735

    • SHA512

      1491e2103fd086cd22826bf9294d34dd69b9396326c0675bbb67d683d773a303220d966cafbf964ea0cb8540abb646c38adc4dbe2e67fb55aa03b5d0b1a800ce

    • SSDEEP

      24576:7x2aKbzvuTA8Udd82UvNfewSoNE8d3P+Yu+u4gCHydZYzAB5k9pMDi9iKAlpiN:N2Bu5lhD3P3bhUi9RAC

    Score
    10/10
    executionquasareyewalledspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Checks computer location settings

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

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks