Overview

overview

10

Static

static

10

topg6565767677.zip

windows11-21h2-x64

10

Sharing

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General

  • Target

    topg6565767677.zip

  • Size

    163.6MB

  • Sample

    250205-g1pafstmdw

  • MD5

    aa8e2a005795238df5b57e41d1b9e70f

  • SHA1

    573a4181a155282abc73fbbc8a1f4d462c7f6a2a

  • SHA256

    8cf526249781356054ba9931a1d42662a20c2ed0818a91b287e7ef3b2ad745f2

  • SHA512

    8fd87b6671165b2a74dafefe1be74daaea78543e5dd48dff41d8375e6a910e60188a9cec2447d16c6dd1c9f2ee2b58578ea5332abbb506b4ade38db21da40a25

  • SSDEEP

    3145728:pb2HFRD9Ydt+3ZZdCZuvXJFUd2Uj3b2VLQJ5Gh3nqXOEaRjhz4GwnjS:RSfD9Kt+3zdAa5FUd2Or6LQJ563nqXtI

Score
10/10
asyncratnanocorequasardefaultoffice04runtimecollectioncredential_accessdefense_evasiondiscoveryexecutionkeyloggerpersistenceprivilege_escalationratspywarestealertrojanupx

Malware Config

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Runtime

C2

157.97.11.134:8080

Mutex

Runtime Broker

Attributes
  • delay

    1

  • install

    true

  • install_file

    Runtime Broker.exe

  • install_folder

    %AppData%

aes.plain

Extracted

Family

nanocore

Version

1.2.2.0

C2

192.168.109.165:54984

157.97.11.134:80

192.168.134.165:80
Mutex

a3eb1197-9800-468e-8c68-c490bebecbd2

Attributes
  • activate_away_mode

    true

  • backup_connection_host

  • backup_dns_server

    8.8.4.4

  • buffer_size

    65535

  • build_time

    2024-11-09T10:18:36.073318936Z

  • bypass_user_account_control

    false

  • bypass_user_account_control_data

    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

  • clear_access_control

    true

  • clear_zone_identifier

    false

  • connect_delay

    4000

  • connection_port

    54984

  • default_group

    Default

  • enable_debug_mode

    true

  • gc_threshold

    1.048576e+07

  • keep_alive_timeout

    30000

  • keyboard_logging

    false

  • lan_timeout

    2500

  • max_packet_size

    1.048576e+07

  • mutex

    a3eb1197-9800-468e-8c68-c490bebecbd2

  • mutex_timeout

    5000

  • prevent_system_sleep

    false

  • primary_connection_host

    192.168.109.165

  • primary_dns_server

    8.8.8.8

  • request_elevation

    true

  • restart_delay

    5000

  • run_delay

    0

  • run_on_startup

    false

  • set_critical_process

    true

  • timeout_interval

    5000

  • use_custom_dns_server

    false

  • version

    1.2.2.0

  • wan_timeout

    8000

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

157.97.11.134:9119

Mutex

4223e665-4744-441c-908d-048c84ca5afb

Attributes
  • encryption_key

    5226F9AC7402A7AB56E886D66B6CF09EDC22E0A0

  • install_name

    googlee.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    google

  • subdirectory

    google

Extracted

Family

asyncrat

Version

1.0.7

Botnet

Default

C2

157.97.11.134:8080

Mutex

Runtime Broker

Attributes
  • delay

    1

  • install

    false

  • install_file

    Runtime Broker.exe

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      topg6565767677.zip

    • Size

      163.6MB

    • MD5

      aa8e2a005795238df5b57e41d1b9e70f

    • SHA1

      573a4181a155282abc73fbbc8a1f4d462c7f6a2a

    • SHA256

      8cf526249781356054ba9931a1d42662a20c2ed0818a91b287e7ef3b2ad745f2

    • SHA512

      8fd87b6671165b2a74dafefe1be74daaea78543e5dd48dff41d8375e6a910e60188a9cec2447d16c6dd1c9f2ee2b58578ea5332abbb506b4ade38db21da40a25

    • SSDEEP

      3145728:pb2HFRD9Ydt+3ZZdCZuvXJFUd2Uj3b2VLQJ5Gh3nqXOEaRjhz4GwnjS:RSfD9Kt+3zdAa5FUd2Or6LQJ563nqXtI

    Score
    10/10
    asyncratnanocorequasardefaultoffice04runtimecollectioncredential_accessdefense_evasiondiscoveryexecutionkeyloggerpersistenceprivilege_escalationratspywarestealertrojanupx

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

      ratasyncrat

    • Asyncrat family

      asyncrat

    • NanoCore

      NanoCore is a remote access tool (RAT) with a variety of capabilities.

      keyloggertrojanstealerspywarenanocore

    • Nanocore family

      nanocore

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Async RAT payload

      rat

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Clipboard Data

      Adversaries may collect data stored in the clipboard from users copying information within or between applications.

      collection

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

      credential_accessstealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

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

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion

    • Enumerates processes with tasklist

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Access Token Manipulation

1
T1134

Create Process with Token

1
T1134.002

File and Directory Permissions Modification

1
T1222

Modify Registry

1
T1112

Obfuscated Files or Information

1
T1027

Command Obfuscation

1
T1027.010

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Browser Information Discovery

1
T1217

Peripheral Device Discovery

2
T1120

Process Discovery

1
T1057

Query Registry

5
T1012

System Information Discovery

8
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Wi-Fi Discovery

1
T1016.002

Lateral Movement

Collection

Clipboard Data

1
T1115

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks