Overview

overview

10

Static

static

1

OptiFine_1...I4.jar

windows10-ltsc 2021-x64

10

Sharing

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General

  • Target

    OptiFine_1.19.4_HD_U_I4.jar

  • Size

    6.7MB

  • Sample

    241029-hpl7dsxelp

  • MD5

    2e58bf463ec7e9964fe381a5afc17da1

  • SHA1

    40a44c00d4f06ba82e97b8eb71aab3823f4e9d93

  • SHA256

    2c010bcae341cf1003c194a4b566a0cb0c8dff2443d2f9fbd9e7a2d9abc8af6a

  • SHA512

    94d0673370168322cc6ba5ae7bc9ad5d5c4246aa10f8929239dedc25639255c807c32ea248ee751c42aed9ca61cf37ab391d7d3a9ba57bc643e091c9ef4009d1

  • SSDEEP

    98304:+4T54pxq3gbAuFu0Lw6jEKuBj036dh1KyMH9vPMDNgPjDbHA:+4TCxq3gtFuiWKufdh1jA9H7LPg

Score
10/10
asyncratdefaultdiscoveryevasionexecutionratspywarestealertrojan

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808
Mutex

RJVXVXVup8cM

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain
aes.plain

Targets

    • Target

      OptiFine_1.19.4_HD_U_I4.jar

    • Size

      6.7MB

    • MD5

      2e58bf463ec7e9964fe381a5afc17da1

    • SHA1

      40a44c00d4f06ba82e97b8eb71aab3823f4e9d93

    • SHA256

      2c010bcae341cf1003c194a4b566a0cb0c8dff2443d2f9fbd9e7a2d9abc8af6a

    • SHA512

      94d0673370168322cc6ba5ae7bc9ad5d5c4246aa10f8929239dedc25639255c807c32ea248ee751c42aed9ca61cf37ab391d7d3a9ba57bc643e091c9ef4009d1

    • SSDEEP

      98304:+4T54pxq3gbAuFu0Lw6jEKuBj036dh1KyMH9vPMDNgPjDbHA:+4TCxq3gtFuiWKufdh1jA9H7LPg

    Score
    10/10
    asyncratdefaultdiscoveryevasionexecutionratspywarestealertrojan

    • AsyncRat

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

      ratasyncrat

    • Asyncrat family

      asyncrat

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • Modifies visibility of file extensions in Explorer

      evasion

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Windows security modification

      evasiontrojan

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution

    • Legitimate hosting services abused for malware hosting/C2

    • Network Service Discovery

      Attempt to gather information on host's network.

      discovery
    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

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

3
T1112

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

Network Service Discovery

1
T1046

Query Registry

3
T1012

System Information Discovery

3
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