MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227. 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 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227
SHA3-384 hash: e2d97ef75040eac2b0a6d0a8d5014c73862a9deca539150362db91ff03af6a22688a5dfac59ac8962f9b172b02364e7f
SHA1 hash: f12b28798c4b43cef88872a4ed4017953ce05127
MD5 hash: 7c745407db6feebfefc77f335e6b8791
humanhash: fifteen-william-uranus-west
File name:7C745407DB6FEEBFEFC77F335E6B8791.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:4'144'775 bytes
First seen:2024-04-07 04:35:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 49152:IBJDyxZLXOEx+OBBjnyLa2jTAUw6MBoHNUUlYJX+A7EJjZd/ngzkNidI57q52t1D:ypySEFR70TAUwySU+JXXor/cW/Lt+M
TLSH T10316F10EA592AA73C3A13F3185E7011D93F0DA613922EF5B361FA5D5A8521B18B137F3
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://77.105.161.180/secure7Multi/temporaryJavascript0Base/7/EternalimageToprocessorcentral.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
407
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227.exe
Verdict:
Malicious activity
Analysis date:
2024-04-07 04:38:31 UTC
Tags:
rat backdoor dcrat remote stealer
Link:
https://app.any.run/tasks/234bff27-aaaf-480a-87d2-d16a72556bed

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sending a UDP request
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
Using the Windows Management Instrumentation requests
Launching a process
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint installer lolbin overlay packed packed setupapi sfx shdocvw shell32
Link:
https://www.filescan.io/uploads/661242f90b46b303692dd830/reports/0fc511af-da4d-4c65-ac00-b8c6f43d9ef4/overview
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Link:
https://www.hybrid-analysis.com/sample/c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/be4287fe-65ad-4e5d-bf9a-ed0bbd2daa92
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/1421480
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Infects executable files (exe, dll, sys, html)
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic
Suspicious execution chain found
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: 1421480 Sample: 2qCi8YfXXc.exe Startdate: 07/04/2024 Architecture: WINDOWS Score: 100 75 Snort IDS alert for network traffic 2->75 77 Antivirus detection for URL or domain 2->77 79 Antivirus detection for dropped file 2->79 81 15 other signatures 2->81 10 2qCi8YfXXc.exe 3 6 2->10         started        13 cmd.exe 2->13         started        15 fVUaTjDDgqEDGfkXDMp.exe 2 2->15         started        18 5 other processes 2->18 process3 file4 65 C:\refRuntime\Mscrt.exe, PE32 10->65 dropped 20 wscript.exe 1 10->20         started        23 RuntimeBroker.exe 13->23         started        25 conhost.exe 13->25         started        109 Antivirus detection for dropped file 15->109 111 Multi AV Scanner detection for dropped file 15->111 113 Machine Learning detection for dropped file 15->113 signatures5 process6 signatures7 91 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->91 93 Suspicious execution chain found 20->93 27 cmd.exe 1 20->27         started        95 Antivirus detection for dropped file 23->95 97 Multi AV Scanner detection for dropped file 23->97 99 Machine Learning detection for dropped file 23->99 process8 process9 29 Mscrt.exe 9 47 27->29         started        33 conhost.exe 27->33         started        file10 67 C:\Windows\...\fVUaTjDDgqEDGfkXDMp.exe, PE32 29->67 dropped 69 C:\Windows\...\fVUaTjDDgqEDGfkXDMp.exe, PE32 29->69 dropped 71 C:\Users\user\Desktop\yFsxnHjm.log, PE32 29->71 dropped 73 29 other malicious files 29->73 dropped 101 Creates an undocumented autostart registry key 29->101 103 Creates multiple autostart registry keys 29->103 105 Creates an autostart registry key pointing to binary in C:\Windows 29->105 107 4 other signatures 29->107 35 cmd.exe 29->35         started        38 csc.exe 4 29->38         started        41 powershell.exe 29->41         started        43 5 other processes 29->43 signatures11 process12 file13 83 Uses ping.exe to sleep 35->83 85 Drops executables to the windows directory (C:\Windows) and starts them 35->85 87 Uses ping.exe to check the status of other devices and networks 35->87 61 4 other processes 35->61 63 C:\Windows\...\SecurityHealthSystray.exe, PE32 38->63 dropped 89 Infects executable files (exe, dll, sys, html) 38->89 45 conhost.exe 38->45         started        47 cvtres.exe 1 38->47         started        49 conhost.exe 41->49         started        51 WmiPrvSE.exe 41->51         started        53 conhost.exe 43->53         started        55 conhost.exe 43->55         started        57 conhost.exe 43->57         started        59 conhost.exe 43->59         started        signatures14 process15
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227/
Threat name:
ByteCode-MSIL.Trojan.Uztuby
Create hunting rule
Status:
Malicious
First seen:
2024-04-03 08:59:03 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzwtwffsui76rwwlh5k3vyjy5un24s2v4f3rvt3doexd3gz5oitq._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat persistence rat spyware stealer
Link:
https://tria.ge/reports/240407-e78xbsdb6w/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Detect ZGRat V1
Modifies WinLogon for persistence
Process spawned unexpected child process
ZGRat
Unpacked files
SH256 hash:
2b93377ea087225820a9f8e4f331005a0c600d557242366f06e0c1eae003d669
MD5 hash:
d8bf2a0481c0a17a634d066a711c12e9
SHA1 hash:
7cc01a58831ed109f85b64fe4920278cedf3e38d
Link:
https://www.unpac.me/results/2ce1aab7-7f07-4ad1-911b-bb8033b09545/
SH256 hash:
7a080d8bd178ec02c7f39f7f941479074c450c4fdd8e963c993d2fb5537c7708
MD5 hash:
16b480082780cc1d8c23fb05468f64e7
SHA1 hash:
6fddf86f9f0fbaa189f5cb79e44999a3f1ac2b26
Link:
https://www.unpac.me/results/2ce1aab7-7f07-4ad1-911b-bb8033b09545/
SH256 hash:
a6c91c67b0030b27e7008734fdef7595c6f0eef497b5948b5d9b7bacce2daca6
MD5 hash:
b18679a37c740ce6e14df3bea9a5946c
SHA1 hash:
c491f891428c51da6fb1dadfdf7cc052418d3b58
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/2ce1aab7-7f07-4ad1-911b-bb8033b09545/
Parent samples :
c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227
a6c91c67b0030b27e7008734fdef7595c6f0eef497b5948b5d9b7bacce2daca6
SH256 hash:
c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227
MD5 hash:
7c745407db6feebfefc77f335e6b8791
SHA1 hash:
f12b28798c4b43cef88872a4ed4017953ce05127
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/2ce1aab7-7f07-4ad1-911b-bb8033b09545/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c66d3b14b2a2/report/overview.html
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/c66d3b14b2a23fe8dacb3f55bae138ed1bae4b55e1771acf63712e3d9b3d7227

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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

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

Comments