Overview

overview

10

Static

static

10

f54a6ad00a...b2.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    f54a6ad00abc2104492626261e44dd976aff0773ca0e3c14e39f0149c10d96b2
  • Size 783KB
  • Sample260828-j9e49avglg
  • SHA256 f54a6ad00abc2104492626261e44dd976aff0773ca0e3c14e39f0149c10d96b2
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
dcratdefense_evasionexecutioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target
      f54a6ad00abc2104492626261e44dd976aff0773ca0e3c14e39f0149c10d96b2
    • Size 783KB
    • SHA256 f54a6ad00abc2104492626261e44dd976aff0773ca0e3c14e39f0149c10d96b2
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    defense_evasionexecutiondcratinfostealerpersistencerattrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Family: 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

      defense_evasiontrojan

    • 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

      defense_evasiontrojan

    • Drops file in System32 directory

    • SmartAssembly .NET packer

      Detects SmartAssembly .NET packer.

    behavioral1

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks