Overview

overview

10

Static

static

10

02b3254b1e...a3.exe

windows7-x64

10

02b3254b1e...a3.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    02b3254b1e5ceb8daf8e804ecd76faa3.exe

  • Size

    2.5MB

  • Sample

    230119-d2216aba8z

  • MD5

    02b3254b1e5ceb8daf8e804ecd76faa3

  • SHA1

    60fed21b5250772db6a4060973bd16ba66675149

  • SHA256

    6ba057bc05313c3b6bf79254af5928029ecc792083ac4e83939c8beabc0bb19f

  • SHA512

    750a94d0a72b0634c3c0771a3d6cc6f51bbc20cdf2fb948043649bb7d556b9c316f4f58b796a9ab757c00481980e4e67e1a2ab58c852a7a3c5ffe722c51f8ab5

  • SSDEEP

    49152:ySg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:tfkOqGhhtn9+nmJm9LcBCXvJ

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      02b3254b1e5ceb8daf8e804ecd76faa3.exe

    • Size

      2.5MB

    • MD5

      02b3254b1e5ceb8daf8e804ecd76faa3

    • SHA1

      60fed21b5250772db6a4060973bd16ba66675149

    • SHA256

      6ba057bc05313c3b6bf79254af5928029ecc792083ac4e83939c8beabc0bb19f

    • SHA512

      750a94d0a72b0634c3c0771a3d6cc6f51bbc20cdf2fb948043649bb7d556b9c316f4f58b796a9ab757c00481980e4e67e1a2ab58c852a7a3c5ffe722c51f8ab5

    • SSDEEP

      49152:ySg8kOqBMdDhtQM4I+MkmJm9LcBwQYdXQ4J:tfkOqGhhtn9+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

    • Drops file in System32 directory

    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