Overview

overview

10

Static

static

3

068f0b81ba...cc.exe

windows7-x64

10

068f0b81ba...cc.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    068f0b81ba4d831dec722c6c86d4d328ca80abe5ef30bda755499064de812ccc
  • Size 20.8MB
  • Sample250328-bcgb2ssl15
  • SHA256 068f0b81ba4d831dec722c6c86d4d328ca80abe5ef30bda755499064de812ccc
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
asyncratstormkittyvenomrateulenv4defense_evasiondiscoveryevasionratspywarestealertrojan

Malware Config

Extracted

Family

  • asyncrat

Version

  • Venom RAT + HVNC + Stealer + Grabber v6.0.3

Botnet

  • EulenV4

Mutex

  • chxtzuezuve

Attributes
  • delay

    1

  • install

    true

  • install_file

    svchost.exe

  • install_folder

    %AppData%

  • pastebin_config

    https://pastebin.com/raw/KnhCGRrn

aes.plain

Targets

    • Target
      068f0b81ba4d831dec722c6c86d4d328ca80abe5ef30bda755499064de812ccc
    • Size 20.8MB
    • SHA256 068f0b81ba4d831dec722c6c86d4d328ca80abe5ef30bda755499064de812ccc
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    asyncratvenomrateulenv4defense_evasiondiscoveryratstormkittyevasionspywarestealertrojan

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies Windows Defender notification settings

      defense_evasiontrojan

    • StormKitty

      StormKitty is an open source info stealer written in C#.

      stealerstormkitty

    • StormKitty payload

    • Stormkitty family

      stormkitty

    • VenomRAT

      Detects VenomRAT.

      rat

    • Venomrat family

      venomrat

    • Async RAT payload

      rat

    • Drops file in Drivers directory

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Modify Registry

4
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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Browser Information Discovery

1
T1217

Query Registry

3
T1012

System Information Discovery

2
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks