General

  • Target

    0d32ff3680a716fd66cb9ab0e3ebc763.exe

  • Size

    2.5MB

  • Sample

    220805-s4rerseeb7

  • MD5

    0d32ff3680a716fd66cb9ab0e3ebc763

  • SHA1

    2aa356f14a156bf56efc66e39e0654bddb4fd95a

  • SHA256

    21719369d4b1474ad31c61c60ec7510ab511a21ba5659cca266f1e6a933cdc71

  • SHA512

    4b8943fa3058e48c1d27aab2b6a8afb0493ca7a7e0bffccebe6a709a19cb467a8ea89c5673912c05bf4dac3f0d942d097be6c39bf658c5e9b14053ff505c775b

Malware Config

Targets

    • Target

      0d32ff3680a716fd66cb9ab0e3ebc763.exe

    • Size

      2.5MB

    • MD5

      0d32ff3680a716fd66cb9ab0e3ebc763

    • SHA1

      2aa356f14a156bf56efc66e39e0654bddb4fd95a

    • SHA256

      21719369d4b1474ad31c61c60ec7510ab511a21ba5659cca266f1e6a933cdc71

    • SHA512

      4b8943fa3058e48c1d27aab2b6a8afb0493ca7a7e0bffccebe6a709a19cb467a8ea89c5673912c05bf4dac3f0d942d097be6c39bf658c5e9b14053ff505c775b

    • 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.

    • 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