MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4952e123128e1ed3e24727fcd835d02a993858d36712d27ef5629db88d428d1. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



DCRat


Vendor detections: 17


Intelligence 17 IOCs 1 YARA 9 File information Comments

SHA256 hash: c4952e123128e1ed3e24727fcd835d02a993858d36712d27ef5629db88d428d1
SHA3-384 hash: 6881e92723d71a33344b05b6dd0cb2e40ff4fecc6e5e2e30bb897832f965a7f0247b44f0611a61632fe584d1c1640070
SHA1 hash: 67ea451a5974562aa78119a61c482d8302f66b0e
MD5 hash: ac4d82f073cbd9d856d240f227cb9080
humanhash: leopard-apart-magazine-video
File name:AC4D82F073CBD9D856D240F227CB9080.exe
Download: download sample
Signature DCRat
File size:1'917'440 bytes
First seen:2025-11-02 21:30:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 24576:zylaBiQO1297+EGcuj24VN6kCriQrl4T/zYw1/eIyY/q7jvurJbtBjbvwTqO9UJ0:znBK1Ncw+nhpY/aurJ5drwTt90
TLSH T1CA95AE1665924E32C3A467758597213D82B0D7763E52FB0B371F6093AD0BBF18F622B2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe RAT


Avatar
abuse_ch
DCRat C2:
http://939870cm.nyash.es/packetgeoProcessuploads.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://939870cm.nyash.es/packetgeoProcessuploads.php https://threatfox.abuse.ch/ioc/1631336/

Intelligence


File Origin
# of uploads :
1
# of downloads :
189
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DCRatBuildnyash.exe
Verdict:
Malicious activity
Analysis date:
2025-10-30 22:07:22 UTC
Tags:
dcrat rat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
shell sage remo
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
DNS request
Connection attempt
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Gathering data
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-30T19:19:00Z UTC
Last seen:
2025-11-04T11:58:00Z UTC
Hits:
~10
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates multiple autostart registry keys
Creates processes via WMI
Drops PE files with benign system names
Found malware configuration
Infects executable files (exe, dll, sys, html)
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: System File Execution Location Anomaly
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1806628 Sample: g24h47D6BY.exe Startdate: 02/11/2025 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Antivirus detection for dropped file 2->60 62 Antivirus / Scanner detection for submitted sample 2->62 64 12 other signatures 2->64 7 g24h47D6BY.exe 16 32 2->7         started        11 sETqHQeLxMCn3Nd0mJXk.exe 2 2->11         started        13 sfiyExSjlOSsZllVB.exe 2->13         started        15 11 other processes 2->15 process3 dnsIp4 48 C:\Users\user\Desktop\iSIUjFqB.log, PE32 7->48 dropped 50 C:\Users\user\Desktop\crmNVvfP.log, PE32 7->50 dropped 52 C:\Users\user\Desktop\SITylSai.log, PE32 7->52 dropped 54 14 other malicious files 7->54 dropped 70 Creates an undocumented autostart registry key 7->70 72 Creates autostart registry keys with suspicious values (likely registry only malware) 7->72 74 Creates multiple autostart registry keys 7->74 80 3 other signatures 7->80 18 csc.exe 4 7->18         started        22 powershell.exe 7->22         started        24 powershell.exe 7->24         started        26 5 other processes 7->26 76 Antivirus detection for dropped file 11->76 78 Multi AV Scanner detection for dropped file 11->78 56 127.0.0.1 unknown unknown 15->56 file5 signatures6 process7 file8 46 C:\Windows\...\SecurityHealthSystray.exe, PE32 18->46 dropped 66 Infects executable files (exe, dll, sys, html) 18->66 28 conhost.exe 18->28         started        30 cvtres.exe 1 18->30         started        68 Loading BitLocker PowerShell Module 22->68 32 conhost.exe 22->32         started        34 WmiPrvSE.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        40 conhost.exe 26->40         started        42 conhost.exe 26->42         started        44 4 other processes 26->44 signatures9 process10
Verdict:
Malware
YARA:
13 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Threat name:
Win32.Trojan.DCRat
Status:
Malicious
First seen:
2025-11-01 04:20:00 UTC
File Type:
PE (.Net Exe)
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
unc_loader_078
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery execution infostealer persistence rat
Behaviour
Modifies registry class
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
DcRat
Dcrat family
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
Win.Packed.Uztuby-10009381-0
YARA:
n/a
Unpacked files
SH256 hash:
c4952e123128e1ed3e24727fcd835d02a993858d36712d27ef5629db88d428d1
MD5 hash:
ac4d82f073cbd9d856d240f227cb9080
SHA1 hash:
67ea451a5974562aa78119a61c482d8302f66b0e
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:win32_dotnet_obfuscate
Author:Reedus0
Description:Rule for detecting .NET obfuscated malware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments