MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 330b6c58e74ff7b9267f7346fa3585040a5a4e94647a38d0cb96b3548f6b830c. 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: 14


Intelligence 14 IOCs 1 YARA 8 File information Comments

SHA256 hash: 330b6c58e74ff7b9267f7346fa3585040a5a4e94647a38d0cb96b3548f6b830c
SHA3-384 hash: 6f082aaee3593f41d19dfa696537f08209374dc0a553065190f3d35231d7cc8b292cd55a8372ab290b9816af080d7d89
SHA1 hash: beb8e1a5a8bd2346dfe0f97b6e9d51c5fcd2bfa2
MD5 hash: cb03d07d82d89086456c967144b1dca8
humanhash: vegan-carpet-london-speaker
File name:cb03d07d82d89086456c967144b1dca8.exe
Download: download sample
Signature DCRat
File size:846'848 bytes
First seen:2025-02-08 10:45:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ophCOR2f7lb6w0caaY1rVpGX4MU/xe8fxa7Km4DaGOYMN67POS:0p67lb6IzX4MsxY6DbvMNQOS
Threatray 600 similar samples on MalwareBazaar
TLSH T1AB0508017E44CE12F0191233E2EF454847B4A9516AA6E32B7DBA377E55123A73C0DAEF
TrID 51.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.4% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe


Avatar
abuse_ch
DCRat C2:
http://cg26785.tw1.ru/dbd57405.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://cg26785.tw1.ru/dbd57405.php https://threatfox.abuse.ch/ioc/1406880/

Intelligence


File Origin
# of uploads :
1
# of downloads :
502
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
cb03d07d82d89086456c967144b1dca8.exe
Verdict:
Malicious activity
Analysis date:
2025-02-08 10:47:53 UTC
Tags:
dcrat rat remote darkcrystal stealer netreactor fody

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
phishing autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Using the Windows Management Instrumentation requests
Launching a process
Creating a file in the Windows subdirectories
Launching many processes
Creating a process from a recently created file
Creating a process with a hidden window
DNS request
Connection attempt
Sending an HTTP GET request
Creating a window
Searching for synchronization primitives
Unauthorized injection to a recently created process
Enabling autorun by creating a file
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates processes via WMI
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
Joe Sandbox ML detected suspicious sample
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
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Execution from Suspicious Folder
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Schedule system process
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1610069 Sample: O1ZjA7nBA4.exe Startdate: 08/02/2025 Architecture: WINDOWS Score: 100 37 cg26785.tw1.ru 2->37 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Antivirus detection for dropped file 2->51 53 16 other signatures 2->53 7 O1ZjA7nBA4.exe 1 28 2->7         started        11 DyIpViLS.exe 3 2->11         started        13 csrss.exe 2->13         started        15 12 other processes 2->15 signatures3 process4 file5 27 C:\Windows\Setup\...\Tp7TskbIhYEVBAahkkL.exe, PE32 7->27 dropped 29 C:\Users\user\csrss.exe, PE32 7->29 dropped 31 C:\Users\Default\...\wl67aXlWzfNdZKf.exe, PE32 7->31 dropped 33 14 other malicious files 7->33 dropped 55 Drops PE files to the user root directory 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 59 Creates processes via WMI 7->59 61 Drops PE files with benign system names 7->61 17 wl67aXlWzfNdZKf.exe 7->17         started        21 schtasks.exe 7->21         started        23 schtasks.exe 7->23         started        25 22 other processes 7->25 63 Antivirus detection for dropped file 11->63 65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 signatures6 process7 dnsIp8 35 cg26785.tw1.ru 94.198.223.74, 49731, 49732, 49733 ARTEM-CATV-ASRU Russian Federation 17->35 39 Antivirus detection for dropped file 17->39 41 Multi AV Scanner detection for dropped file 17->41 43 Machine Learning detection for dropped file 17->43 45 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 21->45 signatures9
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2025-02-03 15:44:07 UTC
File Type:
PE (.Net Exe)
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Gathering data
Verdict:
Malicious
Tags:
rat dcrat Win.Packed.Msilmamut-9950860-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
330b6c58e74ff7b9267f7346fa3585040a5a4e94647a38d0cb96b3548f6b830c
MD5 hash:
cb03d07d82d89086456c967144b1dca8
SHA1 hash:
beb8e1a5a8bd2346dfe0f97b6e9d51c5fcd2bfa2
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:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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

Comments