MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934. 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: 16


Intelligence 16 IOCs 1 YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934
SHA3-384 hash: 51485eaa2261c488d5a18f1dc8bafc87aa66df6970a7b1d54aa7908a007da3c4e123c55a57b44dcbef7f0414e3cbbc35
SHA1 hash: 1cc07fd357d404ac60960a1108230b34cce172f2
MD5 hash: f389e77863db01f7b67b49b40421bad8
humanhash: spaghetti-vermont-chicken-ink
File name:F389E77863DB01F7B67B49B40421BAD8.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:4'207'854 bytes
First seen:2025-07-03 05:45:29 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:yGsYjH4miDK0MOEDcgzo66xRK6KtVdlIZDpKBlp:r1UmMgOQcAoJItVXSDp0
TLSH T15216F112B9A24E77C27017318667023D92E5D7627A22EF4B3A5E1493B9077F18E731B3
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://346720cm.nyashvibe.ru/PhpRequesttrafficDleTemp.php

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
http://346720cm.nyashvibe.ru/PhpRequesttrafficDleTemp.php https://threatfox.abuse.ch/ioc/1552875/

Intelligence

File Origin
# of uploads :
1
# of downloads :
34
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
DCRatBuild.dat
Verdict:
Malicious activity
Analysis date:
2025-06-21 08:51:18 UTC
Tags:
dcrat rat remote darkcrystal netreactor wmi-base64 api-base64 susp-powershell stealer
Link:
https://app.any.run/tasks/a2fc6567-57df-4a62-81ae-945a5e0f96d0

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/12098/
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-10015486-0
Create hunting rule

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

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

Win.Packed.Uztuby-10017373-0
Create hunting rule

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

Win.Dropper.HawkEye-10027238-0
Create hunting rule

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=686618ff900df8e7f865f771
Tags:
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 Program Files subdirectories
Creating a file in the Windows subdirectories
Creating a file in the %temp% directory
Launching a process
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 fingerprint installer microsoft_visual_cc obfuscated overlay overlay packed packed reconnaissance sfx
Link:
https://www.filescan.io/uploads/6866192d7423ff017c3dc2a0/reports/63a3474a-fc20-40fc-a0db-da24bb2dbc48/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/25859aea-6b4b-462e-9807-ad2211e2cf22
Result
Threat name:
DCRat, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1727781
Signature
Antivirus detection for dropped file
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Potential WinAPI Calls Via CommandLine
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1727781 Sample: GVBsTdoV2x.exe Startdate: 03/07/2025 Architecture: WINDOWS Score: 100 58 346720cm.nyashvibe.ru 2->58 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Antivirus detection for dropped file 2->66 68 8 other signatures 2->68 11 GVBsTdoV2x.exe 3 6 2->11         started        signatures3 process4 file5 46 C:\agentDll\msHypercomponent.exe, PE32 11->46 dropped 48 8bZd1NevM53y4uUnXY...E9pnlxKI6UOkG9O.vbe, data 11->48 dropped 14 wscript.exe 1 11->14         started        process6 signatures7 80 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->80 17 cmd.exe 1 14->17         started        process8 process9 19 msHypercomponent.exe 3 44 17->19         started        23 conhost.exe 17->23         started        file10 38 C:\agentDll\WinStore.App.exe, PE32 19->38 dropped 40 C:\Users\user\Desktop\yPWhgDAS.log, PE32 19->40 dropped 42 C:\Users\user\Desktop\wVTRpDWc.log, PE32 19->42 dropped 44 30 other malicious files 19->44 dropped 70 Multi AV Scanner detection for dropped file 19->70 25 cmd.exe 1 19->25         started        signatures11 process12 process13 27 gNVckWFp3nw6EYLRsN1gUs.exe 14 523 25->27         started        32 w32tm.exe 1 25->32         started        34 conhost.exe 25->34         started        36 chcp.com 1 25->36         started        dnsIp14 60 346720cm.nyashvibe.ru 172.67.191.95, 49721, 49722, 49723 CLOUDFLARENETUS United States 27->60 50 C:\Users\user\Desktop\zvXhIRct.log, PE32 27->50 dropped 52 C:\Users\user\Desktop\zDGznACz.log, PE32 27->52 dropped 54 C:\Users\user\Desktop\wBUQRRyD.log, PE32 27->54 dropped 56 24 other malicious files 27->56 dropped 72 Antivirus detection for dropped file 27->72 74 Multi AV Scanner detection for dropped file 27->74 76 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->76 78 2 other signatures 27->78 file15 signatures16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934
Verdict:
Malware
YARA:
7 match(es)
Tags:
.Net Obfuscator .Net Reactor DeObfuscated Executable Obfuscated PE (Portable Executable) T1059.005 VBScript VBScript Encoded Win 32 Exe WScript.Shell x86
Link:
https://app.malva.re/file/f389e77863db01f7b67b49b40421bad8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934/
Threat name:
Win32.Trojan.DCRat
Create hunting rule
Status:
Malicious
First seen:
2025-06-23 21:28:20 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54bokzqdt3z5bryz6x3s6ffiuptd3jj77ijjghgyrmxiu2qv3e2a._file
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat discovery infostealer rat spyware stealer
Link:
https://tria.ge/reports/250703-ggexnsvmw5/
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Drops file in Windows directory
Drops file in Program Files directory
Checks computer location settings
Executes dropped EXE
Reads user/profile data of web browsers
DcRat
Dcrat family
Verdict:
Malicious
Tags:
rat dcrat Win.Packed.Uztuby-10009381-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Link:
https://app.threat.zone/submission/2b6143b1-fbb1-468f-9eb4-45d9bf74917d
Unpacked files
SH256 hash:
ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934
MD5 hash:
f389e77863db01f7b67b49b40421bad8
SHA1 hash:
1cc07fd357d404ac60960a1108230b34cce172f2
Link:
https://www.unpac.me/results/ff16bca9-2939-4f51-88c0-29c570650e57/
SH256 hash:
3863e0dafa8bfc93b76e98bf7dfb3da2340270679063200148413b0399f18b1d
MD5 hash:
593ea9aef94eb043db86729786686d01
SHA1 hash:
dc7edee34fcf611a40b3ed1e12e43cb06c290418
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/ff16bca9-2939-4f51-88c0-29c570650e57/
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/ef02e566039ef3d0c719f5f72f14a8a3e63da53ffa12931cd88b2e8a6a15d934

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: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: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:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
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.

Cape
Cape
https://www.capesandbox.com/analysis/12098/

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