General

  • Target

    0bcc3265d6d56e45dab526559699b422.exe

  • Size

    2.9MB

  • Sample

    230115-yks25sfd3y

  • MD5

    0bcc3265d6d56e45dab526559699b422

  • SHA1

    7d39ccb90dd9bbfed5821fc0f99412c35a0042c0

  • SHA256

    a94aca257665bcea149485ab8facd158b5aa6d7c0885b68b56d1a97293dc663e

  • SHA512

    9c9eaaf4bacb3db059b60807647c6aedfd3f00953ab29c35a13780df506774d4b04b678c6f6c7c3ae4ed5f8e07db0be48e76eff23b1c6a26454be55a47fa7bd9

  • SSDEEP

    49152:UbA30uDZpwmT1XvIwCsVM69SorvgQM/Fngf2z5op/SyPfvxgN+B3Ah8:UbatphI3sVBdrvgj/Fgf2z5op/dPnxq+

Malware Config

Targets

    • Target

      0bcc3265d6d56e45dab526559699b422.exe

    • Size

      2.9MB

    • MD5

      0bcc3265d6d56e45dab526559699b422

    • SHA1

      7d39ccb90dd9bbfed5821fc0f99412c35a0042c0

    • SHA256

      a94aca257665bcea149485ab8facd158b5aa6d7c0885b68b56d1a97293dc663e

    • SHA512

      9c9eaaf4bacb3db059b60807647c6aedfd3f00953ab29c35a13780df506774d4b04b678c6f6c7c3ae4ed5f8e07db0be48e76eff23b1c6a26454be55a47fa7bd9

    • SSDEEP

      49152:UbA30uDZpwmT1XvIwCsVM69SorvgQM/Fngf2z5op/SyPfvxgN+B3Ah8:UbatphI3sVBdrvgj/Fgf2z5op/dPnxq+

    • DcRat

      DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • UAC bypass

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Checks whether UAC is enabled

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Bypass User Account Control

1
T1088

Scheduled Task

1
T1053

Defense Evasion

Bypass User Account Control

1
T1088

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

3
T1082

Collection

Data from Local System

1
T1005

Tasks