Overview

overview

10

Static

static

10

Lose2himato.exe

windows11-21h2-x64

Sharing

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General

  • Target

    Lose2himato.exe

  • Size

    135.3MB

  • Sample

    241217-n9zacazlcn

  • MD5

    30b32bc02534355b906a37951b458808

  • SHA1

    61eada367af3558e45c8583e174cdef13e68b93b

  • SHA256

    6f08d8eb4044dd872b38ff8d6a2b6e86efa9f7d777cb1b09e1f575bfed9467a2

  • SHA512

    8735788ded8836ac0b5be86356263cba2899367964ca8711a8d89b84cecf8c50be799274bfae5d4c6b8bc5d4dea7f04f836f10bf230041677c61977299887839

  • SSDEEP

    786432:zl5HNB9mAbrDMZBfPPgs9TFMd15DeSqVO0EQWW2IxEm+KoZd7APUF85n9wwTtLwG:J5gOsPfmZ0/EmREdEPUF85nSUgTI

Score
10/10
quasaroffice04defense_evasiondiscoveryevasionransomwarespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

himato667-58401.portmap.host:58401

Mutex

0e2bc079-3316-407c-a26f-115195d9fe5b

Attributes
  • encryption_key

    D14CC6B8490A41A48C1E115285B6932B9A857EA0

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Lose2himato.exe

    • Size

      135.3MB

    • MD5

      30b32bc02534355b906a37951b458808

    • SHA1

      61eada367af3558e45c8583e174cdef13e68b93b

    • SHA256

      6f08d8eb4044dd872b38ff8d6a2b6e86efa9f7d777cb1b09e1f575bfed9467a2

    • SHA512

      8735788ded8836ac0b5be86356263cba2899367964ca8711a8d89b84cecf8c50be799274bfae5d4c6b8bc5d4dea7f04f836f10bf230041677c61977299887839

    • SSDEEP

      786432:zl5HNB9mAbrDMZBfPPgs9TFMd15DeSqVO0EQWW2IxEm+KoZd7APUF85n9wwTtLwG:J5gOsPfmZ0/EmREdEPUF85nSUgTI

    Score
    10/10
    quasaroffice04defense_evasiondiscoveryevasionransomwarespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Grants admin privileges

      Uses net.exe to modify the user's privileges.

    • Disables Task Manager via registry modification

      evasion

    • Indicator Removal: Network Share Connection Removal

      Adversaries may remove share connections that are no longer useful in order to clean up traces of their operation.

      defense_evasion

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

      ransomware
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Account Manipulation

1
T1098

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Account Manipulation

1
T1098

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Indicator Removal

1
T1070

Network Share Connection Removal

1
T1070.005

Modify Registry

1
T1112

Credential Access

Discovery

Browser Information Discovery

1
T1217

Permission Groups Discovery

1
T1069

Local Groups

1
T1069.001

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Defacement

1
T1491

Tasks