Overview

overview

10

Static

static

10

4b69a0f48c...cf.exe

windows7-x64

10

4b69a0f48c...cf.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    4b69a0f48caf3523e5c88381a099228e603347664b92dc76e7a5f42754a814cf

  • Size

    682KB

  • Sample

    250110-3jn41ssrcv

  • MD5

    3e6845042b6b515f56ebf0a1f0fb62dc

  • SHA1

    aa09905cddd7e99653f3ef4bb801d1067c7b3369

  • SHA256

    4b69a0f48caf3523e5c88381a099228e603347664b92dc76e7a5f42754a814cf

  • SHA512

    8070194590310fe4eb0585c23f5d05d10cf8fbb619bae245531ba7e529e677a13290262c64694b4a180ecb83711a0f970048ceec7dd92ba5409bc597791c1dab

  • SSDEEP

    12288:RqnO3mwJNoGFAgHCRvp1i/fjqJRYFInDrX/xTU3JgXDV6blx1wgtra7B:R+O3mwJnCRvEMxnDVSwgY

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      4b69a0f48caf3523e5c88381a099228e603347664b92dc76e7a5f42754a814cf

    • Size

      682KB

    • MD5

      3e6845042b6b515f56ebf0a1f0fb62dc

    • SHA1

      aa09905cddd7e99653f3ef4bb801d1067c7b3369

    • SHA256

      4b69a0f48caf3523e5c88381a099228e603347664b92dc76e7a5f42754a814cf

    • SHA512

      8070194590310fe4eb0585c23f5d05d10cf8fbb619bae245531ba7e529e677a13290262c64694b4a180ecb83711a0f970048ceec7dd92ba5409bc597791c1dab

    • SSDEEP

      12288:RqnO3mwJNoGFAgHCRvp1i/fjqJRYFInDrX/xTU3JgXDV6blx1wgtra7B:R+O3mwJnCRvEMxnDVSwgY

    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

    • 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

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