Overview

overview

10

Static

static

10

5bdee06dab...f9.exe

windows7-x64

10

5bdee06dab...f9.exe

windows10-2004-x64

10

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General

  • Target

    5bdee06daba59fe190c2d50c3f553c1ed64ddb9202b548b89c1714bef49be5f9

  • Size

    952KB

  • Sample

    241211-15ndhazpgx

  • MD5

    26c699f748a3e68a629350477bf1d5bc

  • SHA1

    720cf7b11430e765a673ec4210fe953cd58e1dd4

  • SHA256

    5bdee06daba59fe190c2d50c3f553c1ed64ddb9202b548b89c1714bef49be5f9

  • SHA512

    5eecc11b0bb4a699b409bf148921e1401b850f06df1e51bc9bc447956fffc0f16316f573c9e01890da61133414a5faea37bf9d85c3697569be5dbb1d723bb187

  • SSDEEP

    24576:++O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXX:58/KfRTK

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      5bdee06daba59fe190c2d50c3f553c1ed64ddb9202b548b89c1714bef49be5f9

    • Size

      952KB

    • MD5

      26c699f748a3e68a629350477bf1d5bc

    • SHA1

      720cf7b11430e765a673ec4210fe953cd58e1dd4

    • SHA256

      5bdee06daba59fe190c2d50c3f553c1ed64ddb9202b548b89c1714bef49be5f9

    • SHA512

      5eecc11b0bb4a699b409bf148921e1401b850f06df1e51bc9bc447956fffc0f16316f573c9e01890da61133414a5faea37bf9d85c3697569be5dbb1d723bb187

    • SSDEEP

      24576:++O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXX:58/KfRTK

    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

    • 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

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