Overview

overview

10

Static

static

3

c8ce6fc202...aa.exe

windows7-x64

10

c8ce6fc202...aa.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    c8ce6fc2028745f5eaf01a412d06acaa.exe

  • Size

    1.9MB

  • Sample

    250122-pjba9sxjbk

  • MD5

    c8ce6fc2028745f5eaf01a412d06acaa

  • SHA1

    4be17e69614ea35c4cd9939f84034e0e1e43a9a0

  • SHA256

    bd068366ec33c420f480a1085cf661ae74ab13ac83bda6ccc9997d5495bed125

  • SHA512

    6d9f45afdab9e5a062f7c0e89372f4c2c6f897acb76a0523d6b1620b0ccf0e827c8b5643650ee290f14fb9015c084e3866f01b9a1978104718b261a7b1523f05

  • SSDEEP

    49152:bh8kL1nBcnwCcW2UUNUeZahEj6g3Kn7hRef6:bhMwFS+Ulz1nNRe

Score
10/10
dcratdiscoveryexecutioninfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      c8ce6fc2028745f5eaf01a412d06acaa.exe

    • Size

      1.9MB

    • MD5

      c8ce6fc2028745f5eaf01a412d06acaa

    • SHA1

      4be17e69614ea35c4cd9939f84034e0e1e43a9a0

    • SHA256

      bd068366ec33c420f480a1085cf661ae74ab13ac83bda6ccc9997d5495bed125

    • SHA512

      6d9f45afdab9e5a062f7c0e89372f4c2c6f897acb76a0523d6b1620b0ccf0e827c8b5643650ee290f14fb9015c084e3866f01b9a1978104718b261a7b1523f05

    • SSDEEP

      49152:bh8kL1nBcnwCcW2UUNUeZahEj6g3Kn7hRef6:bhMwFS+Ulz1nNRe

    Score
    10/10
    dcratexecutioninfostealerpersistenceratspywarestealerdiscovery

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • 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

    • 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.

    • Drops file in System32 directory

    behavioral1behavioral2

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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

3
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

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

2
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks