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Overview

overview

10

Static

static

3

84ffe1fe9f...19.exe

windows7-x64

10

84ffe1fe9f...19.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    84ffe1fe9ff878e3cf0a4f91a9a57964845dc96634fc11e95ee0ef8edb2ce719

  • Size

    2.1MB

  • Sample

    241030-bq9whsvmhk

  • MD5

    24f297e399f1471c6dbdcc3963e5d66f

  • SHA1

    5abc4979b83ca42241e55299e0ebf93c97a54c23

  • SHA256

    84ffe1fe9ff878e3cf0a4f91a9a57964845dc96634fc11e95ee0ef8edb2ce719

  • SHA512

    0c9adbaedde18b2213aab82bfabcad4af71a943751b434669c9df6b4c0fe13ca17e579ac6240bc2c966b8db26c85404af10fb1565953a101471062baf68af498

  • SSDEEP

    24576:2TbBv5rUyXVlO8V8ikUJRQnpkPtG4HYy5hJoiJ4BUUCMmX8yvYs+UYFtaSlr3:IBJleiLOQNMbNqQs+UYF7

Score
10/10
dcratdiscoveryinfostealerpersistenceratspywarestealer

Malware Config

Targets

    • Target

      84ffe1fe9ff878e3cf0a4f91a9a57964845dc96634fc11e95ee0ef8edb2ce719

    • Size

      2.1MB

    • MD5

      24f297e399f1471c6dbdcc3963e5d66f

    • SHA1

      5abc4979b83ca42241e55299e0ebf93c97a54c23

    • SHA256

      84ffe1fe9ff878e3cf0a4f91a9a57964845dc96634fc11e95ee0ef8edb2ce719

    • SHA512

      0c9adbaedde18b2213aab82bfabcad4af71a943751b434669c9df6b4c0fe13ca17e579ac6240bc2c966b8db26c85404af10fb1565953a101471062baf68af498

    • SSDEEP

      24576:2TbBv5rUyXVlO8V8ikUJRQnpkPtG4HYy5hJoiJ4BUUCMmX8yvYs+UYFtaSlr3:IBJleiLOQNMbNqQs+UYF7

    Score
    10/10
    dcratdiscoveryinfostealerpersistenceratspywarestealer

    • DcRat

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

      ratinfostealerdcrat

    • Dcrat family

      dcrat

    • Modifies WinLogon for persistence

      persistence

    • Process spawned unexpected child process

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • 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

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

2
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

Data from Local System

1
T1005

Command and Control

Exfiltration

Impact

Tasks