MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d. 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: 18


Intelligence 18 IOCs 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d
SHA3-384 hash: ad185a6f64bee07ead7494eeb7ad938d8a9d70c77a9f4129782da33191df8b526b56d92d02d865c2571c8d49e8287b42
SHA1 hash: b351e56a9210ff3872fe136b43f34248042d7602
MD5 hash: e5f75369a0948522c1793988085bd758
humanhash: mockingbird-winner-grey-texas
File name:e5f75369a0948522c1793988085bd758.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:3'688'109 bytes
First seen:2025-08-16 17:15:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (390 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 98304:y0ZG7/4/7aMkS718sRqX/9GZeBjfKoIvseIrHBma1tVSfSVZ:1Er4dBcGQ2vArHBVt46VZ
Threatray 2'898 similar samples on MalwareBazaar
TLSH T14C0633027CD159B3D06625326BB7AB51E83DBD105F39CFCBA380486E9B352D1D631BA2
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://542733cm.nyash.es/gameserverdefaultbaseWpPublictempCdncentralUploads.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://542733cm.nyash.es/gameserverdefaultbaseWpPublictempCdncentralUploads.php https://threatfox.abuse.ch/ioc/1570049/

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
e5f75369a0948522c1793988085bd758.exe
Verdict:
Malicious activity
Analysis date:
2025-08-16 17:16:52 UTC
Tags:
dcrat rat auto-sch auto-reg remote darkcrystal netreactor stealer susp-powershell wmi-base64 api-base64
Link:
https://app.any.run/tasks/cad70dea-6beb-4bd1-b58b-ca930e24fe35

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/21675/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68a0bcbe8fd55a79c527f387
Tags:
autorun virus spawn sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the 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 Windows subdirectories
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 dcrat fingerprint installer microsoft_visual_cc obfuscated overlay overlay packed reconnaissance sfx
Link:
https://www.filescan.io/uploads/68a0bceea4bdac9f5b99bb31/reports/8e6c347a-bc6d-4bda-8cf4-e8eee190b197/overview
Verdict:
Malicious
Labled as:
Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/829b9f3f-2360-48e9-a61e-5d6ffc2923d9
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
spre.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1758402
Signature
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executable to a common third party application directory
Found malware configuration
Infects executable files (exe, dll, sys, html)
Joe Sandbox ML detected suspicious sample
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: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Schedule system process
Suricata IDS alerts for network traffic
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: 1758402 Sample: lUl3vxL4tP.exe Startdate: 16/08/2025 Architecture: WINDOWS Score: 100 65 Suricata IDS alerts for network traffic 2->65 67 Found malware configuration 2->67 69 Antivirus detection for dropped file 2->69 71 12 other signatures 2->71 10 lUl3vxL4tP.exe 3 6 2->10         started        13 8F3XDneWqV.exe 2->13         started        16 QdcKokkTJ.exe 2->16         started        18 5 other processes 2->18 process3 file4 59 C:\containerserverWeb\Blockport.exe, PE32 10->59 dropped 20 wscript.exe 1 10->20         started        83 Antivirus detection for dropped file 13->83 85 Multi AV Scanner detection for dropped file 13->85 signatures5 process6 signatures7 73 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->73 23 cmd.exe 1 20->23         started        process8 process9 25 Blockport.exe 13 49 23->25         started        29 conhost.exe 23->29         started        file10 51 C:\Users\user\Desktop\yfmcfvaV.log, PE32 25->51 dropped 53 C:\Users\user\Desktop\xxgbzUMO.log, PE32 25->53 dropped 55 C:\Users\user\Desktop\vvutelHT.log, PE32 25->55 dropped 57 30 other malicious files 25->57 dropped 75 Creates an undocumented autostart registry key 25->75 77 Creates multiple autostart registry keys 25->77 79 Uses schtasks.exe or at.exe to add and modify task schedules 25->79 81 2 other signatures 25->81 31 csc.exe 4 25->31         started        35 cmd.exe 1 25->35         started        37 schtasks.exe 25->37         started        39 17 other processes 25->39 signatures11 process12 file13 61 C:\Windows\...\SecurityHealthSystray.exe, PE32 31->61 dropped 63 Infects executable files (exe, dll, sys, html) 31->63 41 conhost.exe 31->41         started        43 cvtres.exe 1 31->43         started        45 conhost.exe 35->45         started        47 chcp.com 35->47         started        49 w32tm.exe 35->49         started        signatures14 process15
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d
Verdict:
Malware
YARA:
4 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET Obfuscated PDB Path PE (Portable Executable) PE File Layout SOS: 0.85 Win 32 Exe WScript.Shell x86
Link:
https://app.malva.re/file/e5f75369a0948522c1793988085bd758
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d/
Verdict:
Malicious
Threat:
Family.DCRAT
Link:
https://tip.neiki.dev/file/cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d
Threat name:
Win32.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2025-08-12 18:19:23 UTC
AV detection:
22 of 38 (57.89%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=z42jbksdx3khq2apzl2mw4mntcjjwtdmd4psgxlrq4lzbfhovn6q._file
Verdict:
malicious
Label(s):
unc_loader_051
Create hunting rule
Similar samples:
44966aaea59283fb6f73123ec33f993178d6c6e479fb9a7a25c06f095bb6bcc5
DCRat
57d93f95402fb0d260fa528e198efc5a964c3373bfc29107e63febb702392e3d
DCRat
6959a2d02d817dc97a1247036d48ad3ac5d720fbf0f49039eec1570d0183109d
DCRat
811f30601dbe15e0d78bf4f8319caf3dbed4227af4c08bccf8e7b33229375576
DCRat
error
DCRat
+ 2'888 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery execution infostealer persistence rat
Link:
https://tria.ge/reports/250816-vstrvsy1fz/
Behaviour
Modifies registry class
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 Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Adds Run key to start application
.NET Reactor proctector
Checks computer location settings
Executes dropped EXE
DcRat
Dcrat family
Modifies WinLogon for persistence
Process spawned unexpected child process
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/837545b9-8a00-418b-bc07-2d8aa2eda6ef
Unpacked files
SH256 hash:
cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d
MD5 hash:
e5f75369a0948522c1793988085bd758
SHA1 hash:
b351e56a9210ff3872fe136b43f34248042d7602
Link:
https://www.unpac.me/results/587598e9-ab02-4ce3-bb4e-82b34945b409/
SH256 hash:
21c2931a57611bb4c8633ec1f75424c271a98629703eee05dfa8f46ef4715536
MD5 hash:
ba3308fdd43d350a003f06feb193672d
SHA1 hash:
d89029dc67ea032099e21f25cc33b7fd37e57536
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/587598e9-ab02-4ce3-bb4e-82b34945b409/
Parent samples :
cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d
21c2931a57611bb4c8633ec1f75424c271a98629703eee05dfa8f46ef4715536
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/cf3490aa43bed478680fcaf4cb718d98929b4c6c1f1f235d7187179094eeab7d

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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_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.

Cape
Cape
https://www.capesandbox.com/analysis/21675/

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

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