Overview

overview

10

Static

static

10

1e1ee51c8a...7d.exe

windows7-x64

10

1e1ee51c8a...7d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    1e1ee51c8a265b2b86b0c6aec30e8ba5c8a1ea69a2d47bbceff7813fc673ed7d

  • Size

    952KB

  • Sample

    241206-y9wjkawlay

  • MD5

    95939c0925ece0edd3465ef067ca58c8

  • SHA1

    7c0f4691d4f60beb794a161834702623b610c2a6

  • SHA256

    1e1ee51c8a265b2b86b0c6aec30e8ba5c8a1ea69a2d47bbceff7813fc673ed7d

  • SHA512

    b46684d36fc7be55fc83d84866fa91c8af85c19dc3f23922f6acf241e173dbfb173bda53d18bfc447f751315c004ea5dd06079a10d1a6acb70a354e98e5e9625

  • SSDEEP

    24576:u+O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXX:p8/KfRTK

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      1e1ee51c8a265b2b86b0c6aec30e8ba5c8a1ea69a2d47bbceff7813fc673ed7d

    • Size

      952KB

    • MD5

      95939c0925ece0edd3465ef067ca58c8

    • SHA1

      7c0f4691d4f60beb794a161834702623b610c2a6

    • SHA256

      1e1ee51c8a265b2b86b0c6aec30e8ba5c8a1ea69a2d47bbceff7813fc673ed7d

    • SHA512

      b46684d36fc7be55fc83d84866fa91c8af85c19dc3f23922f6acf241e173dbfb173bda53d18bfc447f751315c004ea5dd06079a10d1a6acb70a354e98e5e9625

    • SSDEEP

      24576:u+O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXX:p8/KfRTK

    Score
    10/10
    dcratevasioninfostealerpersistencerattrojan

    • 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.

    • UAC bypass

      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

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

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

4
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

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