MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdfc8477c2be5da54b9db404821c51bc15aa8337073daebaaa0e9b4b360c33b2. 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 15 File information Comments

SHA256 hash: fdfc8477c2be5da54b9db404821c51bc15aa8337073daebaaa0e9b4b360c33b2
SHA3-384 hash: 53c992a1a91343641f63968c77f9417952ca54807fcbd10575229b98e1c1c8a3898933b5cfef8ad9cd33925037fc8162
SHA1 hash: f04724f1090e5c06d55bdc1b093438271ea0c151
MD5 hash: 144adc87cb128451deefa5777940a765
humanhash: lamp-beryllium-charlie-south
File name:DCRatBuild.exe
Download: download sample
Signature DCRat
File size:1'165'927 bytes
First seen:2025-09-05 23:25:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (880 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 24576:U2G/nvxW3Ww0tE5QKfoDT9TJuDBk98W34m8jlwn:UbA30EqKfcTEDS8B18
Threatray 1'300 similar samples on MalwareBazaar
TLSH T1984538027E44CA11F0191633C2EF490847B4AC516AE6E76B7EB9376D19123937E2DACF
TrID 91.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.6% (.EXE) Win64 Executable (generic) (10522/11/4)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
0.6% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon 9494b494d4aeaeac (882 x DCRat, 479 x NirCmd, 172 x RedLineStealer)
Reporter abuse_ch
Tags:DCRat exe RAT


Avatar
abuse_ch
DCRat C2:
http://a1166255.xsph.ru/1fbe9fbd.php

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
http://a1166255.xsph.ru/1fbe9fbd.php https://threatfox.abuse.ch/ioc/1582611/

Intelligence


File Origin
# of uploads :
1
# of downloads :
116
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
DCRatBuild.exe
Verdict:
Malicious activity
Analysis date:
2025-09-05 23:10:10 UTC
Tags:
auto-sch dcrat rat remote darkcrystal

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
phishing autorun
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint fingerprint installer microsoft_visual_cc obfuscated overlay packed packer_detected sfx
Verdict:
Malicious
Labled as:
Trojan.MSIL.Basic.8.Gen;Trojan.Uztuby
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-05T20:18:00Z UTC
Last seen:
2025-09-05T20:18:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Agent.sb HEUR:Backdoor.MSIL.DCRat.gen HEUR:Backdoor.MSIL.Agent.gen Backdoor.MSIL.DCRat.sb Backdoor.MSIL.DCRat.b Trojan-Spy.Stealer.HTTP.C&C PDM:Trojan.Win32.Generic Backdoor.Agent.HTTP.C&C
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 detection for dropped file
Creates processes via WMI
Found malware configuration
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
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
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1772164 Sample: DCRatBuild.exe Startdate: 06/09/2025 Architecture: WINDOWS Score: 100 52 a1166255.xsph.ru 2->52 56 Suricata IDS alerts for network traffic 2->56 58 Found malware configuration 2->58 60 Antivirus detection for dropped file 2->60 62 6 other signatures 2->62 10 DCRatBuild.exe 3 6 2->10         started        13 bPyUFsuo7xlfTw.exe 2->13         started        16 Y18NqIlZfXfBlMvleZ.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 file5 48 C:\portagentcomponent\msHypernet.exe, PE32 10->48 dropped 50 C:\...\Y2cTRl65dcOKhPiVQI75f.vbe, data 10->50 dropped 20 wscript.exe 1 10->20         started        74 Antivirus detection for dropped file 13->74 76 Multi AV Scanner detection for dropped file 13->76 signatures6 process7 signatures8 64 Windows Scripting host queries suspicious COM object (likely to drop second stage) 20->64 23 cmd.exe 1 20->23         started        process9 process10 25 msHypernet.exe 1 16 23->25         started        29 conhost.exe 23->29         started        file11 40 C:\Windows\Registration\...\SearchApp.exe, PE32 25->40 dropped 42 C:\Users\user\Links\Y18NqIlZfXfBlMvleZ.exe, PE32 25->42 dropped 44 C:\ProgramData\...\bPyUFsuo7xlfTw.exe, PE32 25->44 dropped 46 3 other malicious files 25->46 dropped 66 Antivirus detection for dropped file 25->66 68 Multi AV Scanner detection for dropped file 25->68 70 Uses schtasks.exe or at.exe to add and modify task schedules 25->70 72 Creates processes via WMI 25->72 31 nnbwwywAe4c4yzBcILFJk.exe 14 3 25->31         started        34 schtasks.exe 25->34         started        36 schtasks.exe 25->36         started        38 16 other processes 25->38 signatures12 process13 dnsIp14 54 a1166255.xsph.ru 141.8.192.217, 49724, 80 SPRINTHOSTRU Russian Federation 31->54
Verdict:
Malware
YARA:
8 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable Managed .NET Obfuscated PDB Path PE (Portable Executable) PE File Layout SOS: 0.90 VBScript Encoded Win 32 Exe WScript.Shell x86
Threat name:
ByteCode-MSIL.Backdoor.DCRat
Status:
Malicious
First seen:
2025-09-05 23:10:11 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:dcrat discovery 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
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Checks computer location settings
Executes dropped EXE
DCRat payload
DcRat
Dcrat family
Process spawned unexpected child process
Verdict:
Malicious
Tags:
rat dcrat Win.Trojan.Uztuby-9855059-0
YARA:
MAL_EXE_DCRat_Jul_08_2
Unpacked files
SH256 hash:
fdfc8477c2be5da54b9db404821c51bc15aa8337073daebaaa0e9b4b360c33b2
MD5 hash:
144adc87cb128451deefa5777940a765
SHA1 hash:
f04724f1090e5c06d55bdc1b093438271ea0c151
Detections:
win_xorist_auto
SH256 hash:
31527e5f926552869b994bda9317be3bfb4433d7c0346cf6825f1ffbb119cd52
MD5 hash:
9d802c970a2a0fddb70ae05ea1364126
SHA1 hash:
79de97766c5e49f01dde2709585e81eb734da091
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:dcrat_
Author:Michelle Khalil
Description:This rule detects unpacked dcrat malware samples.
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
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:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
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)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_xorist_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xorist.

File information


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

Comments