MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b. 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: 13


Intelligence 13 IOCs 1 YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b
SHA3-384 hash: 2ffead6db0bc3d5b653767104fca432339ee368c13e2cdbb1eb6b612b12aec379dabd769f24f5ad3cb74a98e30171d5a
SHA1 hash: 29bdca67c8a6d8f478999e1bbc3cf991c4a09db9
MD5 hash: 4c91671f360220ad480dc0f94ab85ad6
humanhash: september-autumn-winter-alaska
File name:U0Wf7XJ.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:2'403'052 bytes
First seen:2025-06-19 14:15:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (388 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 49152:IBJ1nVhEjaX422vn5sSNRJpdp1U2Wf0ANiDbW:y7nHEuXYmSrJpdfWf0SiDbW
TLSH T19BB5BF82A5928EB3D1B62F7184E7102D46B0DA717A16DF5B3E1F6099AC17171CB232F3
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
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe RAT


Avatar
abuse_ch
DCRat C2:
http://188.208.103.26/bigload8Providertemporary/0update/VoiddbDefaulthttpProcessor/1Secure/apiLongpollexternalImage/ProviderImagephpJsApiDbFlowerPublic.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://188.208.103.26/bigload8Providertemporary/0update/VoiddbDefaulthttpProcessor/1Secure/apiLongpollexternalImage/ProviderImagephpJsApiDbFlowerPublic.php https://threatfox.abuse.ch/ioc/1547737/

Intelligence

File Origin
# of uploads :
1
# of downloads :
650
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
U0Wf7XJ.exe
Verdict:
Malicious activity
Analysis date:
2025-06-19 14:50:02 UTC
Tags:
auto-sch rat dcrat remote darkcrystal netreactor wmi-base64 stealer exfiltration
Link:
https://app.any.run/tasks/577e8537-c653-4459-b39f-5b39cde107a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/10215/
Detection(s):
Sanesecurity.Malware.30425.UnRegNetReactor.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.VBS.Encrypted.Gen.UNOFFICIAL
Create hunting rule

Win.Packed.Uztuby-10009381-0
Create hunting rule

Win.Packed.QuasarRAT-10014495-0
Create hunting rule

Win.Packed.Uztuby-10015036-0
Create hunting rule

Win.Packed.Uztuby-10015799-0
Create hunting rule

Win.Packed.Uztuby-10015902-0
Create hunting rule

Win.Packed.Uztuby-10017372-0
Create hunting rule

Win.Packed.Zusy-10023527-0
Create hunting rule

Win.Packed.Basic-10032438-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Loading a suspicious library
Creating a file in the Program Files subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint installer microsoft_visual_cc obfuscated overlay overlay packed packed packer_detected reconnaissance sfx
Link:
https://www.filescan.io/uploads/68541bc73faf8fcd7d3691c1/reports/fd89a601-b626-48cf-9128-301163e84f0f/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/273b3728-3e94-43d9-a6c4-2f75627e8a6a
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1718661
Signature
Antivirus detection for dropped file
Creates processes via WMI
Drops PE files with benign system names
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
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: Schedule system process
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Uses schtasks.exe or at.exe to add and modify task schedules
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1718661 Sample: U0Wf7XJ.exe Startdate: 19/06/2025 Architecture: WINDOWS Score: 100 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 Antivirus detection for dropped file 2->79 81 12 other signatures 2->81 10 U0Wf7XJ.exe 3 6 2->10         started        13 PZyNdt8upAmtFZf.exe 2->13         started        17 lsass.exe 2 2->17         started        19 8 other processes 2->19 process3 dnsIp4 49 C:\Fontcommon\ProviderbrowserMonitorSvc.exe, PE32 10->49 dropped 51 C:\Fontcommon\CDwKznI.vbe, data 10->51 dropped 21 wscript.exe 1 10->21         started        69 188.208.103.26, 49694, 49695, 49696 TESONETLT Romania 13->69 53 C:\Users\user\Desktop\tWdfPAES.log, PE32 13->53 dropped 55 C:\Users\user\Desktop\nxYfiaEn.log, PE32 13->55 dropped 57 C:\Users\user\Desktop\mZpfmlKd.log, PE32 13->57 dropped 59 3 other malicious files 13->59 dropped 93 Tries to harvest and steal browser information (history, passwords, etc) 13->93 95 Antivirus detection for dropped file 17->95 97 Multi AV Scanner detection for dropped file 17->97 file5 signatures6 process7 signatures8 83 Windows Scripting host queries suspicious COM object (likely to drop second stage) 21->83 24 cmd.exe 1 21->24         started        process9 process10 26 ProviderbrowserMonitorSvc.exe 3 22 24->26         started        30 conhost.exe 24->30         started        file11 61 C:\Users\user\Desktop\scvFDRTt.log, PE32 26->61 dropped 63 C:\Users\user\Desktop\qaIWhhPy.log, PE32 26->63 dropped 65 C:\Users\user\Desktop\nhtnwldA.log, PE32 26->65 dropped 67 9 other malicious files 26->67 dropped 85 Antivirus detection for dropped file 26->85 87 Multi AV Scanner detection for dropped file 26->87 89 Uses schtasks.exe or at.exe to add and modify task schedules 26->89 91 2 other signatures 26->91 32 cmd.exe 26->32         started        35 schtasks.exe 26->35         started        37 schtasks.exe 26->37         started        39 13 other processes 26->39 signatures12 process13 signatures14 71 Uses ping.exe to sleep 32->71 73 Uses ping.exe to check the status of other devices and networks 32->73 41 conhost.exe 32->41         started        43 chcp.com 32->43         started        45 PING.EXE 32->45         started        47 qh3ctj2cMVN3M4.exe 32->47         started        process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b/
Threat name:
Win32.Trojan.DCRat
Create hunting rule
Status:
Malicious
First seen:
2025-06-19 14:16:41 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqq3mcoh2qvwgxjjo5kewvqnjhiks55m4axqrethnewbbstrsenq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery
Link:
https://tria.ge/reports/250619-rlgxyagr9z/
Behaviour
Modifies registry class
Runs ping.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Checks computer location settings
Executes dropped EXE
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat Win.Packed.Uztuby-10009381-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/64cce6a7-b315-4217-ab8a-e223381520ce
Unpacked files
SH256 hash:
0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b
MD5 hash:
4c91671f360220ad480dc0f94ab85ad6
SHA1 hash:
29bdca67c8a6d8f478999e1bbc3cf991c4a09db9
Link:
https://www.unpac.me/results/ab69b608-b738-40d1-abd6-0ddcd8f026fb/
SH256 hash:
5b3692c9764db028c8e57dfc9cac53d1144472b1e140bf3af7ce4250bbe15028
MD5 hash:
03350067f3da53d1fb9291eb333af4cb
SHA1 hash:
6c3237396ca962a0aeb47161d3846ff8f331670c
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/ab69b608-b738-40d1-abd6-0ddcd8f026fb/
SH256 hash:
8caa23a75e4959d0aaa3f2357cf2ef4085b3c242a1586ecabd466fcc465708a2
MD5 hash:
f3725173f578aaff7839370d7e399fbf
SHA1 hash:
0539380e5edc3ea0c5b3ca4f222e43210d7a2927
Link:
https://www.unpac.me/results/ab69b608-b738-40d1-abd6-0ddcd8f026fb/
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/ab69b608-b738-40d1-abd6-0ddcd8f026fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b

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:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:dcrat_
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DotNet_Reactor
Create hunting rule
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:icarus
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked icarus malware samples.
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PureCrypter
Create hunting rule
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

DCRat

Executable exe 0421b609c7d42b635d2977544b560d49d0a977ace02f089267692c10ca71911b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3568262/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/10215/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments