Overview

overview

10

Static

static

10

DCRatBuild.exe

windows7-x64

10

DCRatBuild.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    DCRatBuild.exe

  • Size

    1.5MB

  • Sample

    240418-pastysdh5s

  • MD5

    3801fa6eef42d4226ae043c216555158

  • SHA1

    ecf3140d114ec3cdee4b8cf38c23c282b4b17dba

  • SHA256

    750988872141e1c6543920865616fd0190025ceb1b9589c0013e8b9344dbac4b

  • SHA512

    e5bd8fb55d2d722a974e8bcc1007b8fb744ae4c4de08d456f5cb64bf8072b02b02a7598853295f215a4f166c9d3307b6156446a6bf2749d7059433d9d1b63288

  • SSDEEP

    24576:U2G/nvxW3Ww0t6fva+2JT3K7aRai8PMon90WrT4XfTBE7xzW8cf0/CnQv:UbA306fveTczrUgxitW

Score
10/10
dcratinfostealerrat

Malware Config

Targets

    • Target

      DCRatBuild.exe

    • Size

      1.5MB

    • MD5

      3801fa6eef42d4226ae043c216555158

    • SHA1

      ecf3140d114ec3cdee4b8cf38c23c282b4b17dba

    • SHA256

      750988872141e1c6543920865616fd0190025ceb1b9589c0013e8b9344dbac4b

    • SHA512

      e5bd8fb55d2d722a974e8bcc1007b8fb744ae4c4de08d456f5cb64bf8072b02b02a7598853295f215a4f166c9d3307b6156446a6bf2749d7059433d9d1b63288

    • SSDEEP

      24576:U2G/nvxW3Ww0t6fva+2JT3K7aRai8PMon90WrT4XfTBE7xzW8cf0/CnQv:UbA306fveTczrUgxitW

    Score
    10/10
    dcratinfostealerrat

    • DcRat

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

      ratinfostealerdcrat

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks