Overview

overview

10

Static

static

10

15a41a0379...fc.exe

windows7-x64

10

15a41a0379...fc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    15a41a03793a900152444a84e91cd3fc.exe

  • Size

    2.5MB

  • Sample

    230119-d2216aba81

  • MD5

    15a41a03793a900152444a84e91cd3fc

  • SHA1

    a7fd9bc70ac8682680f574d78d89640333caf576

  • SHA256

    739412eb753fb2197fb57e8cbdac7f6f283636c610277d2f6e329c01a34fcf74

  • SHA512

    abeb37e10b578c4df6fc79712545cb4a2a9fdb5412d585e2fe7abf6bd4f0491f60d3d3f25100897af9efcc6023586822d2a8dd1e5a00202e4f110f32b4eec27e

  • SSDEEP

    49152:CSg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:dfkOqGhhtn9+nmJm9LcBCXvJ

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      15a41a03793a900152444a84e91cd3fc.exe

    • Size

      2.5MB

    • MD5

      15a41a03793a900152444a84e91cd3fc

    • SHA1

      a7fd9bc70ac8682680f574d78d89640333caf576

    • SHA256

      739412eb753fb2197fb57e8cbdac7f6f283636c610277d2f6e329c01a34fcf74

    • SHA512

      abeb37e10b578c4df6fc79712545cb4a2a9fdb5412d585e2fe7abf6bd4f0491f60d3d3f25100897af9efcc6023586822d2a8dd1e5a00202e4f110f32b4eec27e

    • 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