File name:

mx.exe

Full analysis: https://app.any.run/tasks/63ad06e7-e013-4ead-a420-aa0074aab347
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: October 12, 2024, 09:16:43
OS: Windows 10 Professional (build: 19045, 64 bit)
Tags:
rat
dcrat
remote
darkcrystal
MIME: application/x-dosexec
File info: PE32 executable (GUI) Intel 80386, for MS Windows
MD5:

836E6FDE55FF477444860A1EAF6DEE80

SHA1:

0C84F72E0E2F6D999E63768C688D1CDA6DCA7EB2

SHA256:

C25D1008C5884D40DE87F74BC3E23D831C20D11B8F6F5E807A4C2A9DB47027CD

SSDEEP:

98304:kOIhC8A38XboJZETmgxBkRVJiStzAZPC3IxaHi7p90/Uq8Hn6VAGTJCCfTTf1oZi:Mqr4wvL51

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

    • DARKCRYSTAL has been detected (SURICATA)

      • mx.exe (PID: 5372)
  • SUSPICIOUS

    • Connects to the server without a host name

      • mx.exe (PID: 5372)
  • INFO

    No info indicators.
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
No Malware configuration.

TRiD

.exe | Win32 EXE PECompact compressed (generic) (79.7)
.exe | Win32 Executable (generic) (8.6)
.exe | Win16/32 Executable Delphi generic (3.9)
.exe | Generic Win/DOS Executable (3.8)
.exe | DOS Executable Generic (3.8)

EXIF

EXE

MachineType: Intel 386 or later, and compatibles
TimeStamp: 2024:01:12 09:34:54+00:00
ImageFileCharacteristics: Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi
PEType: PE32
LinkerVersion: 2.25
CodeSize: 1245696
InitializedDataSize: 7992832
UninitializedDataSize: -
EntryPoint: 0x1311e0
OSVersion: 5
ImageVersion: -
SubsystemVersion: 5
Subsystem: Windows GUI
FileVersionNumber: 10.0.0.2038
ProductVersionNumber: 10.0.0.2038
FileFlagsMask: 0x0000
FileFlags: (none)
FileOS: Windows NT 32-bit
ObjectFileType: Executable application
FileSubtype: -
LanguageCode: English (U.S.)
CharacterSet: Windows, Latin1
CompanyName: Quest Software Inc.
FileDescription: OraOptimizerLauncher
Date: 01/12/2024 09:34:52
FileVersion: 10.0.0.2038
ProductName: SQL Optimizer for Oracle
ProductVersion: 10.0.0.2038
InternalName: OraOptimizerLauncher.exe
LegalCopyright: Copyright 2024 Quest Software Inc. ALL RIGHTS RESERVED.
Copyright: Copyright 2024 Quest Software Inc. ALL RIGHTS RESERVED.
OriginalFileName: OraOptimizerLauncher.exe
IncBuildNumber: 2038
No data.
screenshot
All screenshots are available in the full report
All screenshots are available in the full report
Total processes
119
Monitored processes
1
Malicious processes
1
Suspicious processes
0

Behavior graph

Click at the process to see the details
start #DARKCRYSTAL mx.exe

Process information

PID
CMD
Path
Indicators
Parent process
5372"C:\Users\admin\AppData\Local\Temp\mx.exe" C:\Users\admin\AppData\Local\Temp\mx.exe
explorer.exe
User:
admin
Company:
Quest Software Inc.
Integrity Level:
MEDIUM
Description:
OraOptimizerLauncher
Version:
10.0.0.2038
Modules
Images
c:\users\admin\appdata\local\temp\mx.exe
c:\windows\system32\ntdll.dll
c:\windows\syswow64\ntdll.dll
c:\windows\system32\wow64.dll
c:\windows\system32\wow64win.dll
c:\windows\system32\wow64cpu.dll
c:\windows\syswow64\kernel32.dll
c:\windows\syswow64\kernelbase.dll
c:\windows\syswow64\apphelp.dll
c:\windows\syswow64\oleaut32.dll
Total events
163
Read events
163
Write events
0
Delete events
0

Modification events

No data
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0

Dropped files

No data
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
14
TCP/UDP connections
26
DNS requests
8
Threats
16

HTTP requests

PID
Process
Method
HTTP Code
IP
URL
CN
Type
Size
Reputation
5488
MoUsoCoreWorker.exe
GET
200
23.48.202.18:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
GET
200
23.48.202.18:80
http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl
unknown
whitelisted
5372
mx.exe
POST
429
46.8.232.106:80
http://46.8.232.106/
unknown
unknown
5372
mx.exe
POST
429
188.130.206.243:80
http://188.130.206.243/
unknown
unknown
5372
mx.exe
POST
429
46.8.236.61:80
http://46.8.236.61/
unknown
unknown
5372
mx.exe
POST
429
93.185.159.253:80
http://93.185.159.253/
unknown
unknown
5372
mx.exe
POST
429
91.212.166.91:80
http://91.212.166.91/
unknown
unknown
5372
mx.exe
POST
429
188.130.206.243:80
http://188.130.206.243/
unknown
unknown
5488
MoUsoCoreWorker.exe
GET
200
104.107.161.181:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
unknown
whitelisted
GET
200
104.107.161.181:80
http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl
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
4
System
192.168.100.255:137
whitelisted
6944
svchost.exe
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
51.124.78.146:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
NL
whitelisted
5488
MoUsoCoreWorker.exe
23.48.202.18:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
23.48.202.18:80
crl.microsoft.com
Akamai International B.V.
DE
whitelisted
4360
SearchApp.exe
88.221.221.96:443
www.bing.com
Akamai International B.V.
DE
whitelisted
5488
MoUsoCoreWorker.exe
104.107.161.181:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
104.107.161.181:80
www.microsoft.com
AKAMAI-AS
DE
whitelisted
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted
5488
MoUsoCoreWorker.exe
4.231.128.59:443
settings-win.data.microsoft.com
MICROSOFT-CORP-MSN-AS-BLOCK
IE
whitelisted

DNS requests

Domain
IP
Reputation
settings-win.data.microsoft.com
  • 51.124.78.146
  • 4.231.128.59
whitelisted
crl.microsoft.com
  • 23.48.202.18
whitelisted
www.bing.com
  • 88.221.221.96
whitelisted
google.com
  • 142.250.186.46
whitelisted
www.microsoft.com
  • 104.107.161.181
whitelisted

Threats

PID
Process
Class
Message
5372
mx.exe
Misc activity
ET USER_AGENTS Go HTTP Client User-Agent
5372
mx.exe
Misc activity
SUSPICIOUS [ANY.RUN] Possible DarkCrystal Rat Encrypted Connection
5372
mx.exe
Misc activity
ET USER_AGENTS Go HTTP Client User-Agent
5372
mx.exe
Misc activity
ET USER_AGENTS Go HTTP Client User-Agent
5372
mx.exe
Misc Attack
ET DROP Spamhaus DROP Listed Traffic Inbound group 13
5372
mx.exe
Misc activity
SUSPICIOUS [ANY.RUN] Possible DarkCrystal Rat Encrypted Connection
5372
mx.exe
Misc activity
SUSPICIOUS [ANY.RUN] Possible DarkCrystal Rat Encrypted Connection
5372
mx.exe
Misc activity
ET USER_AGENTS Go HTTP Client User-Agent
5372
mx.exe
Misc activity
ET USER_AGENTS Go HTTP Client User-Agent
5372
mx.exe
Misc activity
SUSPICIOUS [ANY.RUN] Possible DarkCrystal Rat Encrypted Connection
No debug info