Overview

overview

10

Static

static

10

92d7397217...10.exe

windows7-x64

10

92d7397217...10.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    92d7397217e43be9580e67e5d5568a5252966eea16dd213cae536b8b291c0310

  • Size

    952KB

  • Sample

    241223-bb2llasqfv

  • MD5

    acab32b0f304cd037ac7255786b4bb02

  • SHA1

    345fee6d21b2a5f66d159c1ead3b859089a0dc6f

  • SHA256

    92d7397217e43be9580e67e5d5568a5252966eea16dd213cae536b8b291c0310

  • SHA512

    8fbdfed630d54e2590ea2f279d6beb2eda7cb20861fc587e61995f40ce272336c9bdf1a609da215679b0322c6b046399bb98a318e7647c1429721122ed4c0daa

  • SSDEEP

    24576:e+O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXX:Z8/KfRTK

Score
10/10
dcratevasioninfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      92d7397217e43be9580e67e5d5568a5252966eea16dd213cae536b8b291c0310

    • Size

      952KB

    • MD5

      acab32b0f304cd037ac7255786b4bb02

    • SHA1

      345fee6d21b2a5f66d159c1ead3b859089a0dc6f

    • SHA256

      92d7397217e43be9580e67e5d5568a5252966eea16dd213cae536b8b291c0310

    • SHA512

      8fbdfed630d54e2590ea2f279d6beb2eda7cb20861fc587e61995f40ce272336c9bdf1a609da215679b0322c6b046399bb98a318e7647c1429721122ed4c0daa

    • SSDEEP

      24576:e+O7F9smBDJwWmIezBLwsHuWbxR4AK5ZJXX:Z8/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