Overview

overview

10

Static

static

10

ac3cb04d0c...8d.exe

windows7-x64

10

ac3cb04d0c...8d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ac3cb04d0c997ad56d1c5259bec7424e061dd8f18f031f2b71d45906a7783a8d

  • Size

    3.2MB

  • Sample

    240419-b3fhfaeb7t

  • MD5

    0aa04def3714ff7f45b3abe211459467

  • SHA1

    ac241910b74cf5a7b18c07486b6d46c6958b6308

  • SHA256

    ac3cb04d0c997ad56d1c5259bec7424e061dd8f18f031f2b71d45906a7783a8d

  • SHA512

    ce9df3353c1a907809a161a79ee56600a3a1b30ded92a1c1d30c7e32742a0046c659c610b6ef1c986615a806cc855e2210bae1f8cee9f7b6f147a5cb91bd9a7d

  • SSDEEP

    49152:HC0Fl8v/911bwaEYpdYUVsk3DZGAy55kBsfJGAW6KyWUcPmWQpE:HC0Fl8v/qXYrv5tG9uKJGAWl5N

Score
10/10
dcratevasioninfostealerrattrojan

Malware Config

Targets

    • Target

      ac3cb04d0c997ad56d1c5259bec7424e061dd8f18f031f2b71d45906a7783a8d

    • Size

      3.2MB

    • MD5

      0aa04def3714ff7f45b3abe211459467

    • SHA1

      ac241910b74cf5a7b18c07486b6d46c6958b6308

    • SHA256

      ac3cb04d0c997ad56d1c5259bec7424e061dd8f18f031f2b71d45906a7783a8d

    • SHA512

      ce9df3353c1a907809a161a79ee56600a3a1b30ded92a1c1d30c7e32742a0046c659c610b6ef1c986615a806cc855e2210bae1f8cee9f7b6f147a5cb91bd9a7d

    • SSDEEP

      49152:HC0Fl8v/911bwaEYpdYUVsk3DZGAy55kBsfJGAW6KyWUcPmWQpE:HC0Fl8v/qXYrv5tG9uKJGAWl5N

    Score
    10/10
    dcratevasioninfostealerrattrojan

    • DcRat

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

      ratinfostealerdcrat

    • 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

    • Detects executables packed with SmartAssembly

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Checks whether UAC is enabled

      evasiontrojan
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Scheduled Task/Job

1
T1053

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

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks