MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc
SHA3-384 hash: 3ce4412ad35374bb0ae245c69a8a5dc7f66b75681edebed68d6db20454f8345f946ef17f87f484e6ef2cebd3855e68bf
SHA1 hash: 0a9b01fb09ab6a75896b4acdeddc8a58dd2289b5
MD5 hash: 01a0d97e3d9b352f9d909d5cf38efdb0
humanhash: nitrogen-shade-montana-apart
File name:01a0d97e3d9b352f9d909d5cf38efdb0.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:847'360 bytes
First seen:2024-04-29 21:35:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:MKMDWC32yXSzD4H8joTpWHqvvBCJoc5UCKui:MZB32mHrpG6YJoyUbj
Threatray 65 similar samples on MalwareBazaar
TLSH T1CB05F6027E45CE12F0191233C2EF454847B9A95166A6E32FBDBA377E15523A73C0DACB
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://a0948640.xsph.ru/L1nc0In.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
354
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
dcrat
Create hunting rule
ID:
1
File name:
73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 21:37:46 UTC
Tags:
rat backdoor dcrat remote stealer
Link:
https://app.any.run/tasks/bab6bdd6-1e4f-41ad-957e-8537c68a8840

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 Program Files subdirectories
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Creating a process from a recently created file
DNS request
Connecting to a non-recommended domain
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cscript dcrat explorer lolbin obfuscated schtasks
Link:
https://www.filescan.io/uploads/663012c275339da04fa6eee3/reports/ea4a0a01-ddf3-48e7-8c9c-6971e20909b3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/cd4e4a2d-c458-4fc6-b5b1-71968aa61791
Result
Threat name:
DCRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1433720
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 executable to a common third party application directory
Drops PE files to the user root directory
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: 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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1433720 Sample: Y6vqxFcChS.exe Startdate: 29/04/2024 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Antivirus detection for dropped file 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 11 other signatures 2->41 7 Y6vqxFcChS.exe 4 52 2->7         started        11 services.exe 3 2->11         started        13 services.exe 2 2->13         started        15 2 other processes 2->15 process3 file4 27 C:\Windows\...27lsqBzezwbornHeuVWSgdX.exe, PE32 7->27 dropped 29 C:\Users\user29lsqBzezwbornHeuVWSgdX.exe, PE32 7->29 dropped 31 C:\Users\...31lsqBzezwbornHeuVWSgdX.exe, PE32 7->31 dropped 33 13 other malicious files 7->33 dropped 43 Drops PE files to the user root directory 7->43 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Creates processes via WMI 7->47 55 2 other signatures 7->55 17 schtasks.exe 7->17         started        19 schtasks.exe 7->19         started        21 schtasks.exe 7->21         started        23 32 other processes 7->23 49 Antivirus detection for dropped file 11->49 51 Multi AV Scanner detection for dropped file 11->51 53 Machine Learning detection for dropped file 11->53 signatures5 process6 process7 25 Conhost.exe 17->25         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc/
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 16:43:03 UTC
File Type:
PE (.Net Exe)
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=opjzdwhziev6pjfjlpjm7zxutx32n5bzv2gq4i4p7hnccds2mo6a._file
Verdict:
malicious
Similar samples:
0032705a736c09ccb7d06c156ceceee2c5915f486a32df2cd0d00d8393c9e0f2
DCRat
0714c021b42433c9bfecd7e4c92cff30901e7bea72f0cb499e15b04dbbbf6423
DCRat
1a39cff5d5b0b550cd9b30f08c0e32430c2e1b92aecc663d4151789e54d13f64
DCRat
2f9bf1b8e047c1fa8ec80deccb3e9b575aaf5247f23c0fea81157b8b995562c9
DCRat
+ 55 additional samples on MalwareBazaar
Result
Malware family:
dcrat
Create hunting rule
Score:
  10/10
Tags:
family:dcrat infostealer rat
Link:
https://tria.ge/reports/240429-1fwctacg31/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc
MD5 hash:
01a0d97e3d9b352f9d909d5cf38efdb0
SHA1 hash:
0a9b01fb09ab6a75896b4acdeddc8a58dd2289b5
Link:
https://www.unpac.me/results/2f51700c-6fed-4ff5-b592-a4c0ce47c61f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
DCRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/73d391d8f9412be7a4a95bd2cfe6f49df7a6f439ae8d0e238ff9da210e5a63bc

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
Create hunting rule
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:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
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