Overview

overview

10

Static

static

3

RustDedicated.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    RustDedicated.exe

  • Size

    1.2MB

  • Sample

    250102-xbgr3strbn

  • MD5

    80802d3e9eb3978b02891a1846900e64

  • SHA1

    c44fe9d1f8c5f6deabfdcfc1ab9e9d4cff4e5cd8

  • SHA256

    1aed0b69955713ca30ddcbd0b36ea83aebc10494fc6eafd64175c1a43d1c64c6

  • SHA512

    0fabd76a7f746dde9a9326e1a486a7b6f61f542f0f88a20c0092cc6d8385d6f4e768db2ba78317340c70094a5a6c8b319958b5f08efec91c2d258d23bd1026a2

  • SSDEEP

    12288:sJ+ii04vDu/1Hp8CoFxH1sB5jVC6+0AsMLkL57dROq3r3hAj7haqgQY+9LGtYSQe:jin0ulOCoFkA6+0vpwAQhBwYSBYFBav

Score
10/10
dcratumbraldiscoveryevasionexecutioninfostealerratspywarestealertrojan

Malware Config

Targets

    • Target

      RustDedicated.exe

    • Size

      1.2MB

    • MD5

      80802d3e9eb3978b02891a1846900e64

    • SHA1

      c44fe9d1f8c5f6deabfdcfc1ab9e9d4cff4e5cd8

    • SHA256

      1aed0b69955713ca30ddcbd0b36ea83aebc10494fc6eafd64175c1a43d1c64c6

    • SHA512

      0fabd76a7f746dde9a9326e1a486a7b6f61f542f0f88a20c0092cc6d8385d6f4e768db2ba78317340c70094a5a6c8b319958b5f08efec91c2d258d23bd1026a2

    • SSDEEP

      12288:sJ+ii04vDu/1Hp8CoFxH1sB5jVC6+0AsMLkL57dROq3r3hAj7haqgQY+9LGtYSQe:jin0ulOCoFkA6+0vpwAQhBwYSBYFBav

    Score
    10/10
    dcratumbraldiscoveryevasionexecutioninfostealerratspywarestealertrojan

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Detect Umbral payload

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

      evasiontrojan

    • Umbral

      Umbral stealer is an opensource moduler stealer written in C#.

      stealerumbral

    • Umbral family

      umbral

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Drops file in Drivers directory

    • 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

    • Checks whether UAC is enabled

      evasiontrojan

    • 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.

    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

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Hide Artifacts

1
T1564

Hidden Files and Directories

1
T1564.001

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

2
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

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

4
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

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Exfiltration

Impact

Tasks