MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4bb5616ecb06dcf4916e9cc5bcf5763bdea28c85b8bf1853c615f5621b11798. 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: 20


Intelligence 20 IOCs 1 YARA 10 File information Comments

SHA256 hash: a4bb5616ecb06dcf4916e9cc5bcf5763bdea28c85b8bf1853c615f5621b11798
SHA3-384 hash: a8ec6e6b000f5395db62ea7cbd78f2b0171b741ec52daeb520a6f6dea4ba7357d7d554fded6525d70337241f2ab60085
SHA1 hash: 3862125d4db019e81549aeb6c961861c519836a3
MD5 hash: ecf84f909230a1913ae3807f6e1b18ba
humanhash: october-ten-beer-football
File name:0a4bb5616ecb06dcf4916e9cc5bcf5763bdea28c85b8b.exe
Download: download sample
Signature DCRat
File size:846'336 bytes
First seen:2025-09-02 16:50:19 UTC
Last seen:2025-09-03 12:54:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'841 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 12288:fKeOz33J1wsgVeoNKrUtcLDLQmBoa57iHrODfeED0xiWFC:fOz33J1wsrqcHHoJrGm/xiWFC
Threatray 1'257 similar samples on MalwareBazaar
TLSH T1CA05E6027E44CE11F0191233C2EF454887F0A9516AA6E32B7DBA376E59133A77C4D9EB
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 RAT


Avatar
abuse_ch
DCRat C2:
http://a1165370.xsph.ru/ee3f5b4f.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://a1165370.xsph.ru/ee3f5b4f.php https://threatfox.abuse.ch/ioc/1580698/

Intelligence


File Origin
# of uploads :
2
# of downloads :
104
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DCRatBuild.exe
Verdict:
Malicious activity
Analysis date:
2025-09-02 16:19:33 UTC
Tags:
dcrat rat auto-sch stealer remote darkcrystal evasion netreactor

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
phishing autorun
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
Launching many processes
Running batch commands
Creating a process with a hidden window
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm base64 cmd cscript explorer fingerprint lolbin net_reactor obfuscated obfuscated packed reconnaissance schtasks vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-02T13:27:00Z UTC
Last seen:
2025-09-02T13:27:00Z UTC
Hits:
~100
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
Creates processes via WMI
Drops PE files to the user root directory
Drops PE files with benign system names
Found malware configuration
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
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DCRat
Behaviour
Behavior Graph:
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.90 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2025-09-02 16:19:34 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 execution infostealer persistence rat
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
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
Dcrat family
Process spawned unexpected child process
Verdict:
Malicious
Tags:
Win.Packed.Msilmamut-9950860-0
YARA:
n/a
Unpacked files
SH256 hash:
a4bb5616ecb06dcf4916e9cc5bcf5763bdea28c85b8bf1853c615f5621b11798
MD5 hash:
ecf84f909230a1913ae3807f6e1b18ba
SHA1 hash:
3862125d4db019e81549aeb6c961861c519836a3
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:BAZT_B5_NOCEXInvalidStream
Rule name:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
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
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


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

Comments