MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ef183c187c16072e3d1644a20f080d8c39727ed1d25e8c869748979825d26db. 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 15 File information Comments

SHA256 hash: 3ef183c187c16072e3d1644a20f080d8c39727ed1d25e8c869748979825d26db
SHA3-384 hash: b1debca85ae1ca439a6a4f69007aa1c5eb929281ec1548722f69fb236275bf27de176859f668a4bbfa8c41aab9876636
SHA1 hash: c606fa9a53a421bbdbd459ed49aff4c6cbd122e6
MD5 hash: c78d2f7c9f28c563b544736804d57608
humanhash: tango-mountain-massachusetts-south
File name:C78D2F7C9F28C563B544736804D57608.exe
Download: download sample
Signature DCRat
File size:2'285'253 bytes
First seen:2025-09-16 13:30:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (430 x NirCmd, 392 x DCRat, 52 x RedLineStealer)
ssdeep 24576:2TbBv5rUyXVZKoC93BaNnrzcmFkZ1zZx0qxJedopZ7/RbO3zbnvCNz+PBlnEg9/+:IBJZ8TfbUqxhRCKNKH50bv0bcIPwn
Threatray 3'235 similar samples on MalwareBazaar
TLSH T130B5BF0676928E72C2611B318667423D42A4D7217652FF2F3A1F2497AA077F18E763F3
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe RAT


Avatar
abuse_ch
DCRat C2:
http://901730cm.nyash.es/_processprocessorBigload.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://901730cm.nyash.es/_processprocessorBigload.php https://threatfox.abuse.ch/ioc/1590700/

Intelligence


File Origin
# of uploads :
1
# of downloads :
106
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
C78D2F7C9F28C563B544736804D57608.exe
Verdict:
Malicious activity
Analysis date:
2025-09-16 13:43:28 UTC
Tags:
dcrat rat auto-sch remote darkcrystal netreactor wmi-base64 susp-powershell stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Creating a file
Loading a suspicious library
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 crypt fingerprint installer microsoft_visual_cc obfuscated overlay overlay packed reconnaissance sfx
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-13T08:20:00Z UTC
Last seen:
2025-09-13T08:20:00Z UTC
Hits:
~10
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Creates processes via WMI
Found malware configuration
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: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1778528 Sample: E8m0hITpLE.exe Startdate: 16/09/2025 Architecture: WINDOWS Score: 100 70 Suricata IDS alerts for network traffic 2->70 72 Found malware configuration 2->72 74 Antivirus detection for dropped file 2->74 76 11 other signatures 2->76 10 E8m0hITpLE.exe 3 10 2->10         started        13 9K76IAg1yxVRxO4.exe 2->13         started        16 9K76IAg1yxVRxO4.exe 3 2->16         started        18 8 other processes 2->18 process3 file4 66 C:\Users\user\AppData\Roaming\...\WinPerf.exe, PE32 10->66 dropped 68 YWTJ1RO6dKR0ZP44QI...sThialE5enS2k1z.vbe, data 10->68 dropped 20 wscript.exe 1 10->20         started        88 Multi AV Scanner detection for dropped file 13->88 signatures5 process6 signatures7 78 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->78 80 Suspicious execution chain found 20->80 23 cmd.exe 1 20->23         started        process8 process9 25 WinPerf.exe 2 23 23->25         started        29 conhost.exe 23->29         started        file10 58 C:\Users\user\Desktop\xobBYwZz.log, PE32 25->58 dropped 60 C:\Users\user\Desktop\wsnbIzCw.log, PE32 25->60 dropped 62 C:\Users\user\Desktop\efLVodhh.log, PE32 25->62 dropped 64 8 other malicious files 25->64 dropped 82 Multi AV Scanner detection for dropped file 25->82 84 Adds a directory exclusion to Windows Defender 25->84 86 Creates processes via WMI 25->86 31 cmd.exe 25->31         started        34 powershell.exe 25->34         started        36 powershell.exe 25->36         started        38 16 other processes 25->38 signatures11 process12 signatures13 90 Uses ping.exe to sleep 31->90 92 Uses ping.exe to check the status of other devices and networks 31->92 40 conhost.exe 31->40         started        54 2 other processes 31->54 94 Loading BitLocker PowerShell Module 34->94 42 conhost.exe 34->42         started        44 WmiPrvSE.exe 34->44         started        46 conhost.exe 36->46         started        48 conhost.exe 38->48         started        50 conhost.exe 38->50         started        52 conhost.exe 38->52         started        56 13 other processes 38->56 process14
Verdict:
Malware
YARA:
9 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET Obfuscated PDB Path PE (Portable Executable) PE File Layout SOS: 0.83 VBScript Encoded Win 32 Exe WScript.Shell x86
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Status:
Malicious
First seen:
2025-09-13 10:39:00 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
22 of 36 (61.11%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery execution persistence spyware stealer
Behaviour
Modifies registry class
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat Win.Trojan.Uztuby-9855059-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
73f89a7e26596d403c5573b8aa60f3f481a1e40baef1f38856f234b468c83afb
MD5 hash:
a1244728c4ac1d255894b5e3635702d5
SHA1 hash:
dc24388a5cb9ada77bccf63330d65d8d33992c25
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24 INDICATOR_EXE_Packed_DotNetReactor
SH256 hash:
3ef183c187c16072e3d1644a20f080d8c39727ed1d25e8c869748979825d26db
MD5 hash:
c78d2f7c9f28c563b544736804d57608
SHA1 hash:
c606fa9a53a421bbdbd459ed49aff4c6cbd122e6
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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:dcrat_
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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)

File information


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

Comments