Overview

overview

10

Static

static

3a1040de1d...f8.exe

windows7-x64

10

3a1040de1d...f8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    87a68d59a505ea17432de19240f49590.bin

  • Size

    3KB

  • Sample

    230127-q2153sbd53

  • MD5

    3e08dc67dc78c5c1c164182f5fa400c8

  • SHA1

    21c628da047a2ba91c83d6ab18a6d818a8f2935b

  • SHA256

    c58687bff7c6bab4f2d5a6ed56f99ae448c9d4bd6610eaf5783f7be80ffed3cc

  • SHA512

    8238313275ade286007c6d2dcb7c532d9d5bdd0d76b16eb884e4248d886fdf0455b28873f14fa5aadb8f7231eb4ed8573ffe33eca86d220441e9c00303de39cf

Score
10/10
dcratinfostealerpersistencerat

Malware Config

Targets

    • Target

      3a1040de1d848bcc5564bf5d45188bbd0e69bbb43f9f6ab489d61259d843ddf8.exe

    • Size

      6KB

    • MD5

      87a68d59a505ea17432de19240f49590

    • SHA1

      4b7d59eaff27ad9d1454446977b938d3b2c8b29a

    • SHA256

      3a1040de1d848bcc5564bf5d45188bbd0e69bbb43f9f6ab489d61259d843ddf8

    • SHA512

      ec0fb3316d4d8cfe5d245f44f123834df704a096837f49d235a5a577b0012cc8470135287ed171019c881f71522d9177fb3e19fddf132e3ebba860555e79d95a

    • SSDEEP

      48:6vBII9IyeZAvPloQISLlOS6UXrg6Llf+NQz6VVjmEv04AWfch3HRCZnr10qBHs3U:Aec991gogZRRmxYcY0kGIp2LdzNt

    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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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