Overview

overview

10

Static

static

8

4yQyNsXLvw...Rg.exe

windows7_x64

10

4yQyNsXLvw...Rg.exe

windows10_x64

10

Sharing

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General

  • Target

    4yQyNsXLvwdE7h0o12Rg.exe

  • Size

    684KB

  • Sample

    210204-ndk5cdacxs

  • MD5

    5786034e260eabfd710772bcfa97bc95

  • SHA1

    a5699e485d73471ecc45da327976aa6d2d2ac2cc

  • SHA256

    1840872e8117b0efa252bc324ae2944d5c5b9242c928e3a568ccde06354eec35

  • SHA512

    a4ce8ffb2e3d4d3104900ba68184d92cfe94f0e7cf4ee8834eec7838769e7e0775b964c09010b9f047c70012adb1850cefcb385c7a7f7c7ad735e7fa82c0f070

Score
10/10
dcratinfostealerpersistenceratspywarestealerupx

Malware Config

Targets

    • Target

      4yQyNsXLvwdE7h0o12Rg.exe

    • Size

      684KB

    • MD5

      5786034e260eabfd710772bcfa97bc95

    • SHA1

      a5699e485d73471ecc45da327976aa6d2d2ac2cc

    • SHA256

      1840872e8117b0efa252bc324ae2944d5c5b9242c928e3a568ccde06354eec35

    • SHA512

      a4ce8ffb2e3d4d3104900ba68184d92cfe94f0e7cf4ee8834eec7838769e7e0775b964c09010b9f047c70012adb1850cefcb385c7a7f7c7ad735e7fa82c0f070

    Score
    10/10
    dcratinfostealerpersistenceratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • DC Rat Payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • 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

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks