MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6. 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

AsyncRAT

Vendor detections: 21

Intelligence 21 IOCs YARA 19 File information Comments

SHA256 hash:	5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6
SHA3-384 hash:	f05b227472b661b8bd019795f38f71112ad3bf8bd31b5095ba0be0e66d10078cf5a8cda565953700b5ef8fc72cdca23e
SHA1 hash:	cf16b32b7282fc4ec565945f8043d70776058730
MD5 hash:	478a1956d73a21b08567fe4ee38b6da2
humanhash:	neptune-river-finch-batman
File name:	Shieldbrowser.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	66'048 bytes
First seen:	2026-01-10 15:36:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'797 x AgentTesla, 19'704 x Formbook, 12'277 x SnakeKeylogger)
ssdeep	768:XhWBkc+d5iPpVei89J+X6BZrPym873tiHyYd1+DSCv7mqb2nSpwHsoFBhLO8G2iI:XUud+e5P8ZiHyYBGbbrwfG2iVclN
Threatray	2'271 similar samples on MalwareBazaar
TLSH	T14C535B003798C965E2AD4AB4BCF2950106B5D5772102DB5E7CC405DBAB9EFC64A133FE
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	Anonymous
Tags:	AsyncRAT botnet c2 exe

Anonymous

The submitted sample Shieldbrowser.exe is a malicious Windows PE (.NET) executable impersonating a legitimate browser application. Static analysis via YARAify shows multiple high-confidence detections associated with AsyncRAT / DcRat malware families.

The file matches numerous YARA rules including AcRat (AsyncRAT-based payload), AsyncRAT configuration decryption, DcRat variants, and generic multifamily RAT detections, indicating shared code lineage across AsyncRAT-derived threats. Additional detections highlight suspicious .NET behaviors such as AV enumeration, PowerShell/CMD usage, and known malicious imphash correlations.

ClamAV further classifies the sample as Win.Trojan.AsyncRAT, Zusy, and packed generic malware, suggesting obfuscation or packing to evade detection.

Overall, the evidence confirms this sample as a Remote Access Trojan (RAT) from the AsyncRAT/DcRat ecosystem, likely capable of remote control, system surveillance, and botnet-related activity.

Intelligence

File Origin

# of uploads :

# of downloads :

174

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

DcRat PostExploitTool

Details

DcRat

c2 socket addresses, a version, a mutex, an SSL certificate and server signature, an interval, varying flags, and possibly a filepath and a group

Link:

https://research.acce.ciphertechsolutions.com/results/e8aab1ac-0000-44b7-9feb-d7c3a46de7db/

Malware family:

asyncrat

ID:

File name:

Shieldbrowser.exe

Verdict:

Malicious activity

Analysis date:

2026-01-10 15:37:15 UTC

Tags:

rat auto-reg asyncrat

Link:

https://app.any.run/tasks/5acbd731-b8ba-4631-87c4-f9db15a1cc8a

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

DCRat

Link:

https://www.capesandbox.com/analysis/48492/

Detection(s):

Win.Packed.Razy-9807129-0

Win.Malware.Generickdz-9865912-0

Win.Trojan.AsyncRAT-9914220-0

Win.Malware.Zusy-10034587-0

Win.Packed.Generickdz-10058942-0

Verdict:

Malicious

Score:

97.4%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69627203f50945831dffbacd

Tags:

autorun dropper virus sage

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Creating a file

Launching a process

Creating a process from a recently created file

DNS request

Connection attempt

Сreating synchronization primitives

Running batch commands

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:

100%

Tags:

anti-debug anti-vm asyncrat base64 configsecuritypolicy evasive fingerprint hacktool lolbin mpcmdrun msconfig razy reconnaissance regedit schtasks vbnet

Link:

https://www.filescan.io/uploads/696271fe1a20a4c87b1a6b5f/reports/49afef64-e1d3-41be-84c8-8f96ea79a455/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-10T12:47:00Z UTC

Last seen:

2026-01-12T13:18:00Z UTC

Hits:

~100

Detections:

HEUR:Trojan-PSW.MSIL.Agent.gen HEUR:Backdoor.MSIL.SheetRat.gen Backdoor.MSIL.Darkrat.sb Backdoor.MSIL.Crysan.d PDM:Trojan.Win32.Tasker.cust HEUR:Trojan.MSIL.Agent.gen HEUR:Backdoor.MSIL.DcRat.gen Backdoor.MSIL.Crysan.sb PDM:Trojan.Win32.Generic Trojan.MSIL.DInvoke.sb

Link:

https://opentip.kaspersky.com/5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/856abae7-2c07-42ed-917e-bf24efe81c13

Score:

90%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6

Verdict:

njRat

YARA:

14 match(es)

Tags:

.Net DarkCrystal RAT DcRat Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.25 Win 32 Exe x86

Malware Config

C2 Extraction:

CNC: hy7tpet.uk.com,www.hy7tpet.uk.com,qen.uk.com,www.qen.uk.com,www.rcn.uk.com,rcn.uk.com,www.smileexpress.eu.com,smileexpress.eu.com,www.hrhsw.uk.com,hrhsw.uk.com,gti.uk.com,www.gti.uk.com,www.dug.uk.com,dug.uk.com,www.company-it-technology.ru.com,company-it-technology.ru.com
PORT: 80,443,1604,4444,5555,6606,6666,8080,8443

Link:

https://app.malva.re/file/478a1956d73a21b08567fe4ee38b6da2

Detection:

dcrat

Link:

https://mwdb.cert.pl/sample/5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2026-01-10 15:37:43 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=lwewuht2z4mzidnv2poaf4jf3bg53tpy37jujkdutdk74flwccta._file

Verdict:

malicious

Label(s):

asyncrat

AsyncRAT

7107a5aff83a129d0a58e09a5338be703a9ded881cd7d750cbccb2e255898a34

AsyncRAT

7d762632cff476032847ec9e7eaaa403009624e1c1ec87cb92371e84df25945d

AsyncRAT

7d7db8dde2d6ebc5edbb5284336a3dd99f75e86952ba616f7d693d9a221c4b4d

AsyncRAT

8943c75d3f974d35e552c914bc64df0bbce1eabab18b0ffda945665e7ba37691

AsyncRAT

e97d951d16cf830c8ac014afb27c6b09736527ef963c2eb973f95c2f4bbeadc4

AsyncRAT

error

AsyncRAT

+ 2'261 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

family:asyncrat botnet:shield defense_evasion execution persistence rat

Link:

https://tria.ge/reports/260110-s2nwvsdz3c/

Behaviour

Delays execution with timeout.exe

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

Checks computer location settings

Executes dropped EXE

Async RAT payload

AsyncRat

Asyncrat family

Malware Config

C2 Extraction:

hy7tpet.uk.com:6666
hy7tpet.uk.com:8080
hy7tpet.uk.com:80
hy7tpet.uk.com:443
hy7tpet.uk.com:5555
hy7tpet.uk.com:1604
hy7tpet.uk.com:4444
hy7tpet.uk.com:6606
hy7tpet.uk.com:8443
www.hy7tpet.uk.com:6666
www.hy7tpet.uk.com:8080
www.hy7tpet.uk.com:80
www.hy7tpet.uk.com:443
www.hy7tpet.uk.com:5555
www.hy7tpet.uk.com:1604
www.hy7tpet.uk.com:4444
www.hy7tpet.uk.com:6606
www.hy7tpet.uk.com:8443
qen.uk.com:6666
qen.uk.com:8080
qen.uk.com:80
qen.uk.com:443
qen.uk.com:5555
qen.uk.com:1604
qen.uk.com:4444
qen.uk.com:6606
qen.uk.com:8443
www.qen.uk.com:6666
www.qen.uk.com:8080
www.qen.uk.com:80
www.qen.uk.com:443
www.qen.uk.com:5555
www.qen.uk.com:1604
www.qen.uk.com:4444
www.qen.uk.com:6606
www.qen.uk.com:8443
www.rcn.uk.com:6666
www.rcn.uk.com:8080
www.rcn.uk.com:80
www.rcn.uk.com:443
www.rcn.uk.com:5555
www.rcn.uk.com:1604
www.rcn.uk.com:4444
www.rcn.uk.com:6606
www.rcn.uk.com:8443
rcn.uk.com:6666
rcn.uk.com:8080
rcn.uk.com:80
rcn.uk.com:443
rcn.uk.com:5555
rcn.uk.com:1604
rcn.uk.com:4444
rcn.uk.com:6606
rcn.uk.com:8443
www.smileexpress.eu.com:6666
www.smileexpress.eu.com:8080
www.smileexpress.eu.com:80
www.smileexpress.eu.com:443
www.smileexpress.eu.com:5555
www.smileexpress.eu.com:1604
www.smileexpress.eu.com:4444
www.smileexpress.eu.com:6606
www.smileexpress.eu.com:8443
smileexpress.eu.com:6666
smileexpress.eu.com:8080
smileexpress.eu.com:80
smileexpress.eu.com:443
smileexpress.eu.com:5555
smileexpress.eu.com:1604
smileexpress.eu.com:4444
smileexpress.eu.com:6606
smileexpress.eu.com:8443
www.hrhsw.uk.com:6666
www.hrhsw.uk.com:8080
www.hrhsw.uk.com:80
www.hrhsw.uk.com:443
www.hrhsw.uk.com:5555
www.hrhsw.uk.com:1604
www.hrhsw.uk.com:4444
www.hrhsw.uk.com:6606
www.hrhsw.uk.com:8443
hrhsw.uk.com:6666
hrhsw.uk.com:8080
hrhsw.uk.com:80
hrhsw.uk.com:443
hrhsw.uk.com:5555
hrhsw.uk.com:1604
hrhsw.uk.com:4444
hrhsw.uk.com:6606
hrhsw.uk.com:8443
gti.uk.com:6666
gti.uk.com:8080
gti.uk.com:80
gti.uk.com:443
gti.uk.com:5555
gti.uk.com:1604
gti.uk.com:4444
gti.uk.com:6606
gti.uk.com:8443
www.gti.uk.com:6666
www.gti.uk.com:8080
www.gti.uk.com:80
www.gti.uk.com:443
www.gti.uk.com:5555
www.gti.uk.com:1604
www.gti.uk.com:4444
www.gti.uk.com:6606
www.gti.uk.com:8443
www.dug.uk.com:6666
www.dug.uk.com:8080
www.dug.uk.com:80
www.dug.uk.com:443
www.dug.uk.com:5555
www.dug.uk.com:1604
www.dug.uk.com:4444
www.dug.uk.com:6606
www.dug.uk.com:8443
dug.uk.com:6666
dug.uk.com:8080
dug.uk.com:80
dug.uk.com:443
dug.uk.com:5555
dug.uk.com:1604
dug.uk.com:4444
dug.uk.com:6606
dug.uk.com:8443
www.company-it-technology.ru.com:6666
www.company-it-technology.ru.com:8080
www.company-it-technology.ru.com:80
www.company-it-technology.ru.com:443
www.company-it-technology.ru.com:5555
www.company-it-technology.ru.com:1604
www.company-it-technology.ru.com:4444
www.company-it-technology.ru.com:6606
www.company-it-technology.ru.com:8443
company-it-technology.ru.com:6666
company-it-technology.ru.com:8080
company-it-technology.ru.com:80
company-it-technology.ru.com:443
company-it-technology.ru.com:5555
company-it-technology.ru.com:1604
company-it-technology.ru.com:4444
company-it-technology.ru.com:6606
company-it-technology.ru.com:8443

Verdict:

Malicious

Tags:

rat asyncrat Win.Packed.Razy-9807129-0

YARA:

Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated

Link:

https://app.threat.zone/submission/f2f3d0e9-a2fa-41e6-a547-573d7fb575aa

Unpacked files

SH256 hash:

5d896a1e7acf19940db5d3dc02f125d84dddcdf8dfd344a87498d5fe157610a6

MD5 hash:

478a1956d73a21b08567fe4ee38b6da2

SHA1 hash:

cf16b32b7282fc4ec565945f8043d70776058730

Detections:

AsyncRAT

DCRat

Link:

https://www.unpac.me/results/a4188c1b-5328-48b6-b878-83a1cf09d4ef/

Malware family:

DCRat

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/5d896a1e7acf/report/overview.html

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:	AcRat Create hunting rule
Author:	Nikos 'n0t' Totosis
Description:	AcRat Payload (based on AsyncRat)

Rule name:	dcrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	dcrat_rkp Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects DCRat payloads

Rule name:	INDICATOR_SUSPICIOUS_EXE_DcRatBy Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing the string DcRatBy

Rule name:	INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice Create hunting rule
Author:	ditekSHen
Description:	Detects executables attemping to enumerate video devices using WMI

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	Mal_WIN_AsyncRat_RAT_PE Create hunting rule
Author:	Phatcharadol Thangplub
Description:	Use to detect AsyncRAT implant.

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
Author:	XiAnzheng
Description:	May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

Rule name:	Windows_Generic_Threat_ce98c4bc Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)