Overview

overview

10

Static

static

10

57feb30bfa...5a.exe

windows7-x64

10

57feb30bfa...5a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    57feb30bfa52e12db717f765271f337c2fb9b9f1799b7c6a6c2e9123c9d2b45a.exe

  • Size

    783KB

  • Sample

    250123-h5zsesynh1

  • MD5

    678f3b5fe3ba32b044538facd3576d18

  • SHA1

    4f67bfe0d9caa57d28394158147a2abbb6d44a95

  • SHA256

    57feb30bfa52e12db717f765271f337c2fb9b9f1799b7c6a6c2e9123c9d2b45a

  • SHA512

    75a028a56d24e88e9dc21d7e35639225e6207f634797f33c3c9f31f7b39b76b16e5feca1fe0c7a4030e66e587a8e58487712be89add55818fbf9019c887d17e8

  • SSDEEP

    12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqKn:m+OQbpbgsFdAyQvzSqaq8qi

Score
10/10
dcratdefense_evasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      57feb30bfa52e12db717f765271f337c2fb9b9f1799b7c6a6c2e9123c9d2b45a.exe

    • Size

      783KB

    • MD5

      678f3b5fe3ba32b044538facd3576d18

    • SHA1

      4f67bfe0d9caa57d28394158147a2abbb6d44a95

    • SHA256

      57feb30bfa52e12db717f765271f337c2fb9b9f1799b7c6a6c2e9123c9d2b45a

    • SHA512

      75a028a56d24e88e9dc21d7e35639225e6207f634797f33c3c9f31f7b39b76b16e5feca1fe0c7a4030e66e587a8e58487712be89add55818fbf9019c887d17e8

    • SSDEEP

      12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqKn:m+OQbpbgsFdAyQvzSqaq8qi

    Score
    10/10
    dcratdefense_evasioninfostealerpersistencerattrojan

    • 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

      defense_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

      defense_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