Overview

overview

10

Static

static

10

23d198a026...e9.exe

windows7-x64

10

23d198a026...e9.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    23d198a026b63a54cc9b075bf55c74e9.exe

  • Size

    2.5MB

  • Sample

    230119-d2216aeb34

  • MD5

    23d198a026b63a54cc9b075bf55c74e9

  • SHA1

    4bb16c2f73d12358131f23eae50d8b0230f11589

  • SHA256

    fbc8543307c9e9be3f3acb9a8804365fb269e4c10b7cc130e2ffd857515af04a

  • SHA512

    3c4860b1a8f5eee837f156237bc542a8b9bd5dac9963fa09c5d4d6109e263e643c648da0e6be02449a192b87fbed5012d73f40a606f4fe22a3eb68e6ffc21d90

  • SSDEEP

    49152:SSg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:NfkOqGhhtn9+nmJm9LcBCXvJ

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      23d198a026b63a54cc9b075bf55c74e9.exe

    • Size

      2.5MB

    • MD5

      23d198a026b63a54cc9b075bf55c74e9

    • SHA1

      4bb16c2f73d12358131f23eae50d8b0230f11589

    • SHA256

      fbc8543307c9e9be3f3acb9a8804365fb269e4c10b7cc130e2ffd857515af04a

    • SHA512

      3c4860b1a8f5eee837f156237bc542a8b9bd5dac9963fa09c5d4d6109e263e643c648da0e6be02449a192b87fbed5012d73f40a606f4fe22a3eb68e6ffc21d90

    • SSDEEP

      49152:SSg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:NfkOqGhhtn9+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