Overview

overview

10

Static

static

10

ab07eea7bf...29.exe

windows7-x64

10

ab07eea7bf...29.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ab07eea7bfd0a6fea819ab73e1bc6c75b681b7cf044199ed7c38d410b7c5d729.exe

  • Size

    3.4MB

  • Sample

    241119-rtxncsxgqj

  • MD5

    4626a1483d82cf0be9302c305f6b54c4

  • SHA1

    7f16e6aee9e0967b26e36b11de4654cfbffe2675

  • SHA256

    ab07eea7bfd0a6fea819ab73e1bc6c75b681b7cf044199ed7c38d410b7c5d729

  • SHA512

    6381dab004c7d96449554626bbc53d4d7d20a55d21c930a987e1e866803c34a0f6e964ec7a74fc3649f7a9fe9d490a535a59280875605ef950673d83bdd15f54

  • SSDEEP

    49152:xZXrXU/5+Zc5SVROVisjq7miG9vv2SNty1kIP2XMxARdpe:xZzU4c5SMXq7miAX2SNty1xPuMyHpe

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      ab07eea7bfd0a6fea819ab73e1bc6c75b681b7cf044199ed7c38d410b7c5d729.exe

    • Size

      3.4MB

    • MD5

      4626a1483d82cf0be9302c305f6b54c4

    • SHA1

      7f16e6aee9e0967b26e36b11de4654cfbffe2675

    • SHA256

      ab07eea7bfd0a6fea819ab73e1bc6c75b681b7cf044199ed7c38d410b7c5d729

    • SHA512

      6381dab004c7d96449554626bbc53d4d7d20a55d21c930a987e1e866803c34a0f6e964ec7a74fc3649f7a9fe9d490a535a59280875605ef950673d83bdd15f54

    • SSDEEP

      49152:xZXrXU/5+Zc5SVROVisjq7miG9vv2SNty1kIP2XMxARdpe:xZzU4c5SMXq7miAX2SNty1xPuMyHpe

    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
    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