Overview

overview

10

Static

static

10

9f428b9726...a8.exe

windows7-x64

10

9f428b9726...a8.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9f428b9726cb683d247d51ef8113af549223ec6257a07ccd7654361e262b5fa8.exe

  • Size

    783KB

  • Sample

    250208-cfc98szpdm

  • MD5

    3b1535c8901387dfb2f75e34dfec94c7

  • SHA1

    abb6f0f4aa913f150113cf9bc6740645b3464141

  • SHA256

    9f428b9726cb683d247d51ef8113af549223ec6257a07ccd7654361e262b5fa8

  • SHA512

    7fe2e9bc98bca0e76c3c68ae77b6300870ff6509a0ae5b1732e253aae9e529ff72778cbcdc92826453797bf7b5d0c4c0a74dc5f2e7e82bcd005ffd8aa5ff54c1

  • SSDEEP

    12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqKh:m+OQbpbgsFdAyQvzSqaq8qI

Score
10/10
dcratdefense_evasiondiscoveryinfostealerpersistencerattrojan

Malware Config

Targets

    • Target

      9f428b9726cb683d247d51ef8113af549223ec6257a07ccd7654361e262b5fa8.exe

    • Size

      783KB

    • MD5

      3b1535c8901387dfb2f75e34dfec94c7

    • SHA1

      abb6f0f4aa913f150113cf9bc6740645b3464141

    • SHA256

      9f428b9726cb683d247d51ef8113af549223ec6257a07ccd7654361e262b5fa8

    • SHA512

      7fe2e9bc98bca0e76c3c68ae77b6300870ff6509a0ae5b1732e253aae9e529ff72778cbcdc92826453797bf7b5d0c4c0a74dc5f2e7e82bcd005ffd8aa5ff54c1

    • SSDEEP

      12288:mqnOYxdAgpoNeF91rg5iFdr0yQ9gYx+EIpakCYJRU7Q9bWoFzqKh:m+OQbpbgsFdAyQvzSqaq8qI

    Score
    10/10
    dcratdefense_evasioninfostealerpersistencerattrojandiscovery

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Process spawned unexpected child process

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

    • UAC bypass

      defense_evasiontrojan

    • DCRat payload

      Detects payload of DCRat, commonly dropped by NSIS installers.

      rat

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

1
T1562

Disable or Modify Tools

1
T1562.001

Modify Registry

3
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks