Overview

overview

10

Static

static

10

DCRawwwftBuild.exe

windows7-x64

10

DCRawwwftBuild.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    DCRawwwftBuild.exe

  • Size

    1.1MB

  • Sample

    230324-b49gxade2s

  • MD5

    fc1382653001e36943a5a487aa04083e

  • SHA1

    48e471cccc1894f6581d7a19daaf46ac9c219995

  • SHA256

    d2e73b6112b25f6d4aac7ab6fbebecddbe4042cbad85f3926dc298c871c017e2

  • SHA512

    d0d6740d5cb26876ee0f89d9bab8ee7dddaa18ae8899db236a48ab577f7d41b09a5418801fc1ee26bcf90af37116d5dc0a3254dc79e33871fe03192ab54774d8

  • SSDEEP

    24576:U2G/nvxW3Ww0tRCSZnPWLTNL6sHH6Jr3W2QGJqE+s:UbA30RCcGNT6JTW9c

Score
10/10
dcratinfostealerrat

Malware Config

Targets

    • Target

      DCRawwwftBuild.exe

    • Size

      1.1MB

    • MD5

      fc1382653001e36943a5a487aa04083e

    • SHA1

      48e471cccc1894f6581d7a19daaf46ac9c219995

    • SHA256

      d2e73b6112b25f6d4aac7ab6fbebecddbe4042cbad85f3926dc298c871c017e2

    • SHA512

      d0d6740d5cb26876ee0f89d9bab8ee7dddaa18ae8899db236a48ab577f7d41b09a5418801fc1ee26bcf90af37116d5dc0a3254dc79e33871fe03192ab54774d8

    • SSDEEP

      24576:U2G/nvxW3Ww0tRCSZnPWLTNL6sHH6Jr3W2QGJqE+s:UbA30RCcGNT6JTW9c

    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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks