Overview

overview

10

Static

static

10

09f3ea8386...97.exe

windows7-x64

10

09f3ea8386...97.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    09f3ea83868d661776bb6231c214c397.exe

  • Size

    2.5MB

  • Sample

    230119-d2216aeb35

  • MD5

    09f3ea83868d661776bb6231c214c397

  • SHA1

    b56d6ebad45ccf765087c4c1666a37dc860da268

  • SHA256

    3a9d578bed5193425becda7f50fdda6b1a131ba35195ae58ac24a2069e967b03

  • SHA512

    48893b7efd2e92fb30956d680706f5877dd635d081aa546a2b73960f0e3aaf0ab381fc8f386a01a87fde22eece21157dd439810e5d714ecf4a64646a828eb912

  • SSDEEP

    49152:CSg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:dfkOqGhhtn9+nmJm9LcBCXvJ

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      09f3ea83868d661776bb6231c214c397.exe

    • Size

      2.5MB

    • MD5

      09f3ea83868d661776bb6231c214c397

    • SHA1

      b56d6ebad45ccf765087c4c1666a37dc860da268

    • SHA256

      3a9d578bed5193425becda7f50fdda6b1a131ba35195ae58ac24a2069e967b03

    • SHA512

      48893b7efd2e92fb30956d680706f5877dd635d081aa546a2b73960f0e3aaf0ab381fc8f386a01a87fde22eece21157dd439810e5d714ecf4a64646a828eb912

    • SSDEEP

      49152:CSg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:dfkOqGhhtn9+nmJm9LcBCXvJ

    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

    • Executes dropped EXE

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Winlogon Helper DLL

1
T1004

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks