Overview

overview

10

Static

static

10

d5e776aa38...23.exe

windows7-x64

10

d5e776aa38...23.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223.exe

  • Size

    1.2MB

  • Sample

    240630-bsyw2a1gkd

  • MD5

    2f77b6ba0d6b4cf6cb232c0e5aa2f999

  • SHA1

    4bb0d8a5c6e42374d1a58b8b025bbf99cda42b77

  • SHA256

    d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223

  • SHA512

    d434e987bcd3f8ee09501e2c4b600b7781d228bc465e54d0d016ae086d2eef18500832ebd78e1b7d75956ffb3ad621c77bb3cca45ca0dc57b00826aa2f2e8e8a

  • SSDEEP

    24576:GiRX4ONyMaJtHAWwIh1zunez5ma3Z1tzVSzWdPnG:GiRX4jMD7R/a3Z1hf

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223.exe

    • Size

      1.2MB

    • MD5

      2f77b6ba0d6b4cf6cb232c0e5aa2f999

    • SHA1

      4bb0d8a5c6e42374d1a58b8b025bbf99cda42b77

    • SHA256

      d5e776aa38d141a5621e492af32685568f2c527864caa72dad17ec08172bd223

    • SHA512

      d434e987bcd3f8ee09501e2c4b600b7781d228bc465e54d0d016ae086d2eef18500832ebd78e1b7d75956ffb3ad621c77bb3cca45ca0dc57b00826aa2f2e8e8a

    • SSDEEP

      24576:GiRX4ONyMaJtHAWwIh1zunez5ma3Z1tzVSzWdPnG:GiRX4jMD7R/a3Z1hf

    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 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

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

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

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