Overview

overview

10

Static

static

10

1feb43221d...3N.exe

windows7-x64

10

1feb43221d...3N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1feb43221d231b3137124132a87a53ff6f4a5a32e210e92a0635aff619852d83N.exe

  • Size

    3.7MB

  • Sample

    250207-21eq8stmdl

  • MD5

    ca3bf1001b3d7f8700cae6ce3adb0c10

  • SHA1

    727b6a0a22451b9b7be18256125663f731c70d1e

  • SHA256

    1feb43221d231b3137124132a87a53ff6f4a5a32e210e92a0635aff619852d83

  • SHA512

    a01467e197006c225d6cdd8e17933bd318ea17e198cf17609e51f8ca18b29b164275cfcef2ed809a09c748c611c34c34ee6678a74521ee44bf0b0126b25fbb44

  • SSDEEP

    98304:jZurNQcigALujj+eBIRZsgw7bXbC7srf33dXTkMVlic:tu6ciyOJZsFjgsrP3dXgMVl5

Score
10/10
dcratdefense_evasiondiscoveryinfostealerratspywarestealertrojan

Malware Config

Targets

    • Target

      1feb43221d231b3137124132a87a53ff6f4a5a32e210e92a0635aff619852d83N.exe

    • Size

      3.7MB

    • MD5

      ca3bf1001b3d7f8700cae6ce3adb0c10

    • SHA1

      727b6a0a22451b9b7be18256125663f731c70d1e

    • SHA256

      1feb43221d231b3137124132a87a53ff6f4a5a32e210e92a0635aff619852d83

    • SHA512

      a01467e197006c225d6cdd8e17933bd318ea17e198cf17609e51f8ca18b29b164275cfcef2ed809a09c748c611c34c34ee6678a74521ee44bf0b0126b25fbb44

    • SSDEEP

      98304:jZurNQcigALujj+eBIRZsgw7bXbC7srf33dXTkMVlic:tu6ciyOJZsFjgsrP3dXgMVl5

    Score
    10/10
    dcratdefense_evasiondiscoveryinfostealerratspywarestealertrojan

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

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

    • UAC bypass

      defense_evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • 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

      defense_evasiontrojan

    • 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

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

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

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

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

3
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

Exfiltration

Impact

Tasks