URL:

yy.yy

Full analysis: https://app.any.run/tasks/561208b1-66a9-447f-b7b4-497f1bef4f3f
Verdict: Malicious activity
Threats:

DCrat, also known as Dark Crystal RAT, is a remote access trojan (RAT), which was first introduced in 2018. It is a modular malware that can be customized to perform different tasks. For instance, it can steal passwords, crypto wallet information, hijack Telegram and Steam accounts, and more. Attackers may use a variety of methods to distribute DCrat, but phishing email campaigns are the most common.

Analysis date: May 25, 2025, 17:19:35
OS: Windows 10 Professional (build: 19044, 64 bit)
Tags:
purelogs
purecrypter
rat
dcrat
remote
darkcrystal
sheetrat
Indicators:
MD5:

4440F1D9A236C0A36953A4F56ECF754C

SHA1:

A49802C31F94BEED9DC82AFFBD7EC8576466A571

SHA256:

5E7FDEC1152FF5F0D8E5E7F67B4DB180B3408B5DF3D2499675407248473D33E6

SSDEEP:

3:tBn:fn

ANY.RUN is an interactive service which provides full access to the guest system. Information in this report could be distorted by user actions and is provided for user acknowledgement as it is. ANY.RUN does not guarantee maliciousness or safety of the content.
  • MALICIOUS

    • Uses Task Scheduler to run other applications

      • cmd.exe (PID: 7964)
      • cmd.exe (PID: 5364)
      • cmd.exe (PID: 2660)
      • cmd.exe (PID: 1116)
      • cmd.exe (PID: 3900)
      • cmd.exe (PID: 1184)
      • cmd.exe (PID: 1568)
      • cmd.exe (PID: 7964)
      • cmd.exe (PID: 5760)
      • cmd.exe (PID: 1300)
      • cmd.exe (PID: 6068)
      • cmd.exe (PID: 4932)
      • cmd.exe (PID: 6476)
      • cmd.exe (PID: 7272)
      • cmd.exe (PID: 7692)
      • cmd.exe (PID: 2772)
      • cmd.exe (PID: 2904)
      • cmd.exe (PID: 5744)
      • cmd.exe (PID: 5776)
      • cmd.exe (PID: 6724)
      • cmd.exe (PID: 7716)
      • cmd.exe (PID: 5344)
      • cmd.exe (PID: 3268)
      • cmd.exe (PID: 900)
      • cmd.exe (PID: 7520)
      • cmd.exe (PID: 8016)
      • cmd.exe (PID: 6964)
      • cmd.exe (PID: 7548)
      • cmd.exe (PID: 7228)
      • cmd.exe (PID: 7076)
      • cmd.exe (PID: 6928)
      • cmd.exe (PID: 4372)
      • cmd.exe (PID: 428)
      • cmd.exe (PID: 2584)
      • cmd.exe (PID: 6592)
      • cmd.exe (PID: 6916)
      • cmd.exe (PID: 2136)
      • cmd.exe (PID: 6564)
    • Executing a file with an untrusted certificate

      • ytnt.exe (PID: 5984)
      • ytnt.exe (PID: 7288)
    • Changes the autorun value in the registry

      • ytnt.exe (PID: 5984)
    • Changes the AppInit_DLLs value (autorun option)

      • ytnt.exe (PID: 5984)
    • Changes the login/logoff helper path in the registry

      • ytnt.exe (PID: 5984)
    • Connects to the CnC server

      • ytnt.exe (PID: 5984)
      • COM Surrogate (PID: 4508)
    • PURELOGS has been detected (SURICATA)

      • ytnt.exe (PID: 5984)
      • COM Surrogate (PID: 4508)
    • DARKCRYSTAL has been detected (SURICATA)

      • ytnt.exe (PID: 5984)
      • COM Surrogate (PID: 4508)
    • SHEETRAT has been detected (SURICATA)

      • ytnt.exe (PID: 5984)
  • SUSPICIOUS

    • Starts CMD.EXE for commands execution

      • ytnt.exe (PID: 7288)
      • ytnt.exe (PID: 5984)
      • COM Surrogate (PID: 4508)
    • Reads security settings of Internet Explorer

      • ytnt.exe (PID: 7288)
    • Executable content was dropped or overwritten

      • ytnt.exe (PID: 7288)
      • ytnt.exe (PID: 5984)
    • Reads the date of Windows installation

      • ytnt.exe (PID: 7288)
    • Application launched itself

      • ytnt.exe (PID: 7288)
    • Potential Corporate Privacy Violation

      • svchost.exe (PID: 2196)
      • svchost.exe (PID: 2168)
    • Connects to unusual port

      • ytnt.exe (PID: 7288)
      • ytnt.exe (PID: 5984)
      • COM Surrogate (PID: 4508)
    • Executes as Windows Service

      • WmiApSrv.exe (PID: 7400)
    • Contacting a server suspected of hosting an CnC

      • ytnt.exe (PID: 5984)
    • The system shut down or reboot

      • cmd.exe (PID: 5452)
    • The process executes via Task Scheduler

      • PLUGScheduler.exe (PID: 4104)
  • INFO

    • Checks supported languages

      • identity_helper.exe (PID: 7372)
      • ytnt.exe (PID: 5984)
      • ytnt.exe (PID: 7288)
    • Application launched itself

      • msedge.exe (PID: 1228)
      • msedge.exe (PID: 4428)
    • Reads Environment values

      • identity_helper.exe (PID: 7372)
    • Reads the computer name

      • ytnt.exe (PID: 7288)
      • ytnt.exe (PID: 5984)
      • identity_helper.exe (PID: 7372)
    • Manual execution by a user

      • Taskmgr.exe (PID: 3268)
      • ytnt.exe (PID: 7288)
      • Taskmgr.exe (PID: 1196)
    • Creates files or folders in the user directory

      • ytnt.exe (PID: 7288)
    • Reads security settings of Internet Explorer

      • Taskmgr.exe (PID: 1196)
    • Process checks computer location settings

      • ytnt.exe (PID: 7288)
    • Reads the machine GUID from the registry

      • ytnt.exe (PID: 5984)
      • ytnt.exe (PID: 7288)
    • Reads the software policy settings

      • slui.exe (PID: 2284)
    • Reads the time zone

      • ytnt.exe (PID: 5984)
    • Reads CPU info

      • ytnt.exe (PID: 5984)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.
No data.
screenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshotscreenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
434
Monitored processes
169
Malicious processes
3
Suspicious processes
0

Behavior graph

Click at the process to see the details
start msedge.exe msedge.exe no specs msedge.exe no specs msedge.exe msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe msedge.exe no specs sppextcomobj.exe no specs slui.exe msedge.exe no specs msedge.exe msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs identity_helper.exe no specs identity_helper.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs msedge.exe no specs ytnt.exe taskmgr.exe no specs taskmgr.exe msedge.exe no specs msedge.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs svchost.exe schtasks.exe no specs #PURELOGS ytnt.exe cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs slui.exe cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs wmiapsrv.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs msedge.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs shutdown.exe no specs plugscheduler.exe no specs com surrogate cmd.exe no specs conhost.exe no specs schtasks.exe no specs svchost.exe cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs cmd.exe no specs conhost.exe no specs schtasks.exe no specs

Process information

PID
CMD
Path
Indicators
Parent process
428"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "destrio4" /tr "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCookies\COM Surrogate" & exitC:\Windows\System32\cmd.exeCOM Surrogate
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Windows Command Processor
Exit code:
2147500037
Version:
10.0.19041.1 (WinBuild.160101.0800)
504\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
MEDIUM
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
516"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=5856 --field-trial-handle=2452,i,9647966365564444842,9055281422117302329,262144 --variations-seed-version /prefetch:8C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exemsedge.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
LOW
Description:
Microsoft Edge
Exit code:
0
Version:
122.0.2365.59
660\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
736SchTaSKs /create /f /sc minute /mo -1 /tn "destrio4" /tr "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCookies\COM Surrogate" /RL HIGHEST C:\Windows\System32\schtasks.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
2147500037
Version:
10.0.19041.1 (WinBuild.160101.0800)
856SchTaSKs /create /f /sc minute /mo -1 /tn "destrio4" /tr "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCookies\COM Surrogate" /RL HIGHEST C:\Windows\System32\schtasks.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Task Scheduler Configuration Tool
Exit code:
2147500037
Version:
10.0.19041.1 (WinBuild.160101.0800)
900"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "destrio4" /tr "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCookies\COM Surrogate" /RL HIGHEST & exitC:\Windows\System32\cmd.exeytnt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
2147500037
Version:
10.0.19041.1 (WinBuild.160101.0800)
1116"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "destrio4" /tr "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCookies\COM Surrogate" /RL HIGHEST & exitC:\Windows\System32\cmd.exeytnt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
2147500037
Version:
10.0.19041.1 (WinBuild.160101.0800)
1132\??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1C:\Windows\System32\conhost.execmd.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Console Window Host
Exit code:
0
Version:
10.0.19041.1 (WinBuild.160101.0800)
1184"CMD" /c SchTaSKs /create /f /sc minute /mo -1 /tn "destrio4" /tr "C:\Users\admin\AppData\Local\Microsoft\Windows\INetCookies\COM Surrogate" /RL HIGHEST & exitC:\Windows\System32\cmd.exeytnt.exe
User:
admin
Company:
Microsoft Corporation
Integrity Level:
HIGH
Description:
Windows Command Processor
Exit code:
2147500037
Version:
10.0.19041.1 (WinBuild.160101.0800)
Total events
0
Read events
0
Write events
0
Delete events
0

Modification events

No data
Executable files
17
Suspicious files
231
Text files
63
Unknown types
2

Dropped files

PID
Process
Filename
Type
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF10a48f.TMP
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF10a49e.TMP
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF10a49e.TMP
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF10a49e.TMP
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF10a4ec.TMP
MD5:
SHA256:
1228msedge.exeC:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old
MD5:
SHA256:
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
34
TCP/UDP connections
165
DNS requests
65
Threats
41

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5796
svchost.exe
GET
200
23.216.77.8:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
23.216.77.8:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5496
MoUsoCoreWorker.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
5796
svchost.exe
GET
200
184.30.21.171:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
7300
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl
unknown
whitelisted
7300
SIHClient.exe
GET
200
23.219.150.101:80
http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl
unknown
whitelisted
7732
svchost.exe
HEAD
200
199.232.210.172:80
http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/5cbc98ff-b69b-4fda-ad94-17ec2f9cf48b?P1=1748295846&P2=404&P3=2&P4=bAjUCGEMzkcYH4tjrSostth%2bAiKds7QSE4jVLijkpVVtu2qQwyY9wSbMVQLnAXwVWsvcHoVKKCQ3ebKWpfOZKg%3d%3d
unknown
whitelisted
7732
svchost.exe
GET
206
199.232.210.172:80
http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/5cbc98ff-b69b-4fda-ad94-17ec2f9cf48b?P1=1748295846&P2=404&P3=2&P4=bAjUCGEMzkcYH4tjrSostth%2bAiKds7QSE4jVLijkpVVtu2qQwyY9wSbMVQLnAXwVWsvcHoVKKCQ3ebKWpfOZKg%3d%3d
unknown
whitelisted
7732
svchost.exe
GET
206
199.232.210.172:80
http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/5cbc98ff-b69b-4fda-ad94-17ec2f9cf48b?P1=1748295846&P2=404&P3=2&P4=bAjUCGEMzkcYH4tjrSostth%2bAiKds7QSE4jVLijkpVVtu2qQwyY9wSbMVQLnAXwVWsvcHoVKKCQ3ebKWpfOZKg%3d%3d
unknown
whitelisted
7732
svchost.exe
GET
206
199.232.210.172:80
http://msedge.b.tlu.dl.delivery.mp.microsoft.com/filestreamingservice/files/5cbc98ff-b69b-4fda-ad94-17ec2f9cf48b?P1=1748295846&P2=404&P3=2&P4=bAjUCGEMzkcYH4tjrSostth%2bAiKds7QSE4jVLijkpVVtu2qQwyY9wSbMVQLnAXwVWsvcHoVKKCQ3ebKWpfOZKg%3d%3d
unknown
whitelisted
Download PCAP, analyze network streams, HTTP content and a lot more at the full report

Connections

PID
Process
IP
Domain
ASN
CN
Reputation
6700
RUXIMICS.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
4
System
192.168.100.255:137
whitelisted
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5496
MoUsoCoreWorker.exe
23.216.77.8:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5796
svchost.exe
23.216.77.8:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
5496
MoUsoCoreWorker.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5796
svchost.exe
184.30.21.171:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
5496
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
7228
msedge.exe
13.107.42.16:443
config.edge.skype.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted
7228
msedge.exe
13.107.6.158:443
business.bing.com
MICROSOFT-CORP-MSN-AS-BLOCK
US
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 4.231.128.59
whitelisted
google.com
  • 142.250.185.78
  • 142.250.186.46
whitelisted
crl.microsoft.com
  • 23.216.77.8
  • 23.216.77.34
  • 23.216.77.42
  • 23.216.77.39
  • 23.216.77.32
  • 23.216.77.37
  • 23.216.77.12
  • 23.216.77.4
  • 23.216.77.30
whitelisted
www.microsoft.com
  • 184.30.21.171
  • 23.219.150.101
whitelisted
config.edge.skype.com
  • 13.107.42.16
whitelisted
yy.yy
unknown
edge.microsoft.com
  • 150.171.27.11
  • 150.171.28.11
whitelisted
business.bing.com
  • 13.107.6.158
whitelisted
edge-mobile-static.azureedge.net
  • 13.107.253.45
whitelisted
update.googleapis.com
  • 216.58.206.67
whitelisted

Threats

PID
Process
Class
Message
2196
svchost.exe
Potential Corporate Privacy Violation
ET INFO DNS Query to a Reverse Proxy Service Observed
2196
svchost.exe
Misc activity
ET INFO DNS Query for Port Mapping/Tunneling Service Domain (.portmap .io)
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE PureLogs Backdoor Client GZIP C2 Traffic
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE PureLogs Backdoor Client GZIP C2 Traffic
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE DcRAT/Sheet RAT CnC Checkin Using MessagePack
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE PureLogs Backdoor Server GZIP C2 Traffic
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE DcRAT/Sheet RAT CnC Checkin Using MessagePack
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE DcRAT/Sheet RAT CnC Checkin Using MessagePack
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE DcRAT/Sheet RAT CnC Checkin Using MessagePack
5984
ytnt.exe
A Network Trojan was detected
ET MALWARE DcRAT/Sheet RAT CnC Checkin Using MessagePack
No debug info