MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00c11ab6fa421c4e69915b1d5db441df33cfcc7c61128bb81029816fd0aa222e. 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 YARA 7 File information Comments

SHA256 hash: 00c11ab6fa421c4e69915b1d5db441df33cfcc7c61128bb81029816fd0aa222e
SHA3-384 hash: 166239265ca9fdda12d8c32dea749441688b68f0368d14fa641c1811eb0a2cbc4c03f7e0b3203d764567b8ec69e7d24f
SHA1 hash: 815371ee33e46a6b1a1257b6e01bbaf46ce8d0f5
MD5 hash: 28b77e68b269756ba427c8d30deef9de
humanhash: may-sixteen-aspen-october
File name:28b77e68b269756ba427c8d30deef9de.exe
Download: download sample
Signature DCRat
File size:848'896 bytes
First seen:2024-05-30 00:20:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:REKNonGb2iV7XQyzP9miug5/JXqY/0u0DT:REK+nC7dmzg5Mu0
Threatray 458 similar samples on MalwareBazaar
TLSH T12305E5017E44CA12F01D1233C2EF454887B0A95166E6E36B7DBA37AD19123A77E1DACF
TrID 47.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
20.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
8.4% (.SCR) Windows screen saver (13097/50/3)
6.8% (.EXE) Win64 Executable (generic) (10523/12/4)
4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://a0987361.xsph.ru/83a18cdb.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
406
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
00c11ab6fa421c4e69915b1d5db441df33cfcc7c61128bb81029816fd0aa222e.exe
Verdict:
Malicious activity
Analysis date:
2024-05-30 00:21:41 UTC
Tags:
rat dcrat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Banker Encryption Execution Network Static Stealth Msil Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
90%
Tags:
anti-vm cmd cscript dcrat explorer lolbin net_reactor obfuscated packed schtasks vbnet
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
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 dropped file
Multi AV Scanner detection for submitted file
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1449294 Sample: r0J6YsEvag.exe Startdate: 30/05/2024 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Antivirus detection for URL or domain 2->39 41 Antivirus detection for dropped file 2->41 43 15 other signatures 2->43 7 r0J6YsEvag.exe 4 39 2->7         started        11 conhost.exe 2->11         started        13 csrss.exe 2->13         started        15 3 other processes 2->15 process3 file4 29 C:\Windows\...\YcZfYsknQynXVPkySLM.exe, PE32 7->29 dropped 31 C:\Windows\apppatch\YcZfYsknQynXVPkySLM.exe, PE32 7->31 dropped 33 C:\Windows\Tasks\conhost.exe, PE32 7->33 dropped 35 9 other malicious files 7->35 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Creates processes via WMI 7->47 49 Drops PE files with benign system names 7->49 51 Drops executable to a common third party application directory 7->51 17 cmd.exe 1 7->17         started        19 schtasks.exe 7->19         started        21 schtasks.exe 7->21         started        23 31 other processes 7->23 53 Antivirus detection for dropped file 11->53 55 Multi AV Scanner detection for dropped file 11->55 57 Machine Learning detection for dropped file 11->57 signatures5 process6 process7 25 conhost.exe 17->25         started        27 w32tm.exe 17->27         started       
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2024-05-24 23:55:19 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat infostealer rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Process spawned unexpected child process
Unpacked files
SH256 hash:
00c11ab6fa421c4e69915b1d5db441df33cfcc7c61128bb81029816fd0aa222e
MD5 hash:
28b77e68b269756ba427c8d30deef9de
SHA1 hash:
815371ee33e46a6b1a1257b6e01bbaf46ce8d0f5
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:BAZT_B5_NOCEXInvalidStream
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

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

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