MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 672b74d56854bff624b13f9e7775811c93b2d7137075bdb1988b33882316b6d2. 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: 15


Intelligence 15 IOCs 1 YARA 10 File information Comments

SHA256 hash: 672b74d56854bff624b13f9e7775811c93b2d7137075bdb1988b33882316b6d2
SHA3-384 hash: 917c9dc4e418c6cd34e0c92daf96fa9d0e83121f15ff13347f1750be6b1780a99238ce33825309522124ceaaff703112
SHA1 hash: 45cca0246c02a3c9329dbe45be1872c49bf247a4
MD5 hash: 673d2bf7ee0accab233ba2f2878d4bee
humanhash: neptune-papa-vermont-wolfram
File name:673d2bf7ee0accab233ba2f2878d4bee.exe
Download: download sample
Signature DCRat
File size:1'965'415 bytes
First seen:2024-08-22 02:50:27 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 24576:2TbBv5rUyXVtweMrafptg1fXmqsqZxS2oN5AwjLfKTQwJEYE5VAqZBMJl/ce:IBJtAZ+qZqAA+cwSYKTPY/f
Threatray 1'617 similar samples on MalwareBazaar
TLSH T11F95AE1665929E77C26417368497013D42A4DB323A62EF1F364F24E7A8477B1CE332BB
TrID 74.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
16.2% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
2.9% (.EXE) Win64 Executable (generic) (10523/12/4)
1.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://248810cm.n9sh.top/ExternalpollPacketgameServerDefaultGeneratorUniversaluploads.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://248810cm.n9sh.top/ExternalpollPacketgameServerDefaultGeneratorUniversaluploads.php https://threatfox.abuse.ch/ioc/1314450/

Intelligence


File Origin
# of uploads :
1
# of downloads :
417
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
673d2bf7ee0accab233ba2f2878d4bee.exe
Verdict:
Malicious activity
Analysis date:
2024-08-22 02:51:45 UTC
Tags:
rat dcrat remote darkcrystal stealer netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Encryption Execution Network Other Static Stealth Trojan Runner
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
Creating a file in the Program Files subdirectories
Creating a file in the %temp% directory
Launching a process
Sending a UDP request
DNS request
Connection attempt
Unauthorized injection to a recently created process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
DCRat, PureLog Stealer, zgRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Sigma detected: Files With System Process Name In Unsuspected Locations
Suricata IDS alerts for network traffic
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 dnsIp2 2 Behavior Graph ID: 1497112 Sample: flRB8KCsd1.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 49 248810cm.n9sh.top 2->49 53 Multi AV Scanner detection for domain / URL 2->53 55 Suricata IDS alerts for network traffic 2->55 57 Found malware configuration 2->57 59 13 other signatures 2->59 11 flRB8KCsd1.exe 3 6 2->11         started        signatures3 process4 file5 45 C:\...\ComponentBrowserFontbroker.exe, PE32 11->45 dropped 47 87O9KbS9QK7I33qGGE...uQM4spH36cmWOZz.vbe, data 11->47 dropped 14 wscript.exe 1 11->14         started        process6 signatures7 77 Windows Scripting host queries suspicious COM object (likely to drop second stage) 14->77 17 cmd.exe 1 14->17         started        process8 process9 19 ComponentBrowserFontbroker.exe 3 15 17->19         started        23 conhost.exe 17->23         started        file10 37 C:\chainmonitor\lsass.exe, PE32 19->37 dropped 39 C:\Recovery\hdPTiAfdadDi.exe, PE32 19->39 dropped 41 C:\Recovery\backgroundTaskHost.exe, PE32 19->41 dropped 43 2 other malicious files 19->43 dropped 61 Antivirus detection for dropped file 19->61 63 Multi AV Scanner detection for dropped file 19->63 65 Machine Learning detection for dropped file 19->65 67 Drops PE files with benign system names 19->67 25 cmd.exe 1 19->25         started        signatures11 process12 process13 27 hdPTiAfdadDi.exe 14 2 25->27         started        31 w32tm.exe 1 25->31         started        33 conhost.exe 25->33         started        35 chcp.com 1 25->35         started        dnsIp14 51 248810cm.n9sh.top 80.211.144.156, 49704, 49705, 49706 ARUBA-ASNIT Italy 27->51 69 Antivirus detection for dropped file 27->69 71 Multi AV Scanner detection for dropped file 27->71 73 Machine Learning detection for dropped file 27->73 75 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 27->75 signatures15
Threat name:
Win32.Trojan.Uztuby
Status:
Malicious
First seen:
2024-08-19 13:25:00 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Behaviour
Modifies registry class
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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 Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Unpacked files
SH256 hash:
a2d96af60ce82897ad688560cc121dd5e0706d50eb09a3bc69f5e664a56103f8
MD5 hash:
6ba75812d4e41c9c4514ca941b6f9294
SHA1 hash:
a6269d43e45596ce7029ecb41799c757ec9a0f64
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
672b74d56854bff624b13f9e7775811c93b2d7137075bdb1988b33882316b6d2
MD5 hash:
673d2bf7ee0accab233ba2f2878d4bee
SHA1 hash:
45cca0246c02a3c9329dbe45be1872c49bf247a4
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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: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

File information


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

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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