Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    240425-t68mhacg3t

  • MD5

    1ed54dfe03d72992d7661ac6ffd62686

  • SHA1

    6b777023a3b095545df12ee5df931dc63931c808

  • SHA256

    981480ad3e231a6a9c50b5eacb94342a06115115e20ee5c27b06bb5beee54c21

  • SHA512

    adbe3b6b8f3d0c2d080fa25e2f2cad628015d8098ac4dbbad834715a388e9f44af6269d08bb16037c8796676bf3c8c0b42b4ad22e033ca817f0452553fb6ace2

  • SSDEEP

    49152:UvIqB2ZNag4YgPblSvLo6L2KocUdRJ6fbR3LoGdy8THHB72eh2NT:UvHB2ZNag4YgPblSvL5L2KocUdRJ6x

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

Enslotheya2-61094.portmap.host:4782

Enslotheya2-61094.portmap.host:46201

tcp://Enslotheya2-61094.portmap.host:4782

tcp://Enslotheya2-61094.portmap.host:46201
Mutex

8ea6b073-ee8d-4f7f-8fba-1e280e616d24

Attributes
  • encryption_key

    74E1B4AC3CD2ECB5E4C2870E4E135FA00D21CA8C

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      1ed54dfe03d72992d7661ac6ffd62686

    • SHA1

      6b777023a3b095545df12ee5df931dc63931c808

    • SHA256

      981480ad3e231a6a9c50b5eacb94342a06115115e20ee5c27b06bb5beee54c21

    • SHA512

      adbe3b6b8f3d0c2d080fa25e2f2cad628015d8098ac4dbbad834715a388e9f44af6269d08bb16037c8796676bf3c8c0b42b4ad22e033ca817f0452553fb6ace2

    • SSDEEP

      49152:UvIqB2ZNag4YgPblSvLo6L2KocUdRJ6fbR3LoGdy8THHB72eh2NT:UvHB2ZNag4YgPblSvL5L2KocUdRJ6x

    Score
    10/10
    quasaroffice04spywaretrojan

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

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