Overview

overview

10

Static

static

10

fab1001a72...56.exe

windows7-x64

10

fab1001a72...56.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fab1001a7271caa76ddcb934ff2668bdc1f5e044a7065b7c143c429c98aba056

  • Size

    2.0MB

  • Sample

    240424-2rt5kabb3z

  • MD5

    96373b1a9080aa751b5a98fc96cfb66c

  • SHA1

    17436af89fdf67d4c60416b7bccda9f6cb3cd490

  • SHA256

    fab1001a7271caa76ddcb934ff2668bdc1f5e044a7065b7c143c429c98aba056

  • SHA512

    4cacede2b67488e46c978cbd1956ed4c0b0c1657bdd3e9b9a80203bb1175fb0b2aceadd8dbedef331332d578191620435e9561b56db420b28b767ba2dfdc9f79

  • SSDEEP

    24576:0n2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:iaTUv0jmtEttc

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      fab1001a7271caa76ddcb934ff2668bdc1f5e044a7065b7c143c429c98aba056

    • Size

      2.0MB

    • MD5

      96373b1a9080aa751b5a98fc96cfb66c

    • SHA1

      17436af89fdf67d4c60416b7bccda9f6cb3cd490

    • SHA256

      fab1001a7271caa76ddcb934ff2668bdc1f5e044a7065b7c143c429c98aba056

    • SHA512

      4cacede2b67488e46c978cbd1956ed4c0b0c1657bdd3e9b9a80203bb1175fb0b2aceadd8dbedef331332d578191620435e9561b56db420b28b767ba2dfdc9f79

    • SSDEEP

      24576:0n2XTCHM4xT9V3XzsHhVmatCELYIXVelAtgbHHd:iaTUv0jmtEttc

    Score
    10/10
    dcratinfostealerpersistencerat

    • DcRat

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

      ratinfostealerdcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Detects executables containing bas64 encoded gzip files

    • Detects executables packed with SmartAssembly

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

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

Privilege Escalation

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

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks