MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa. 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: 17


Intelligence 17 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa
SHA3-384 hash: db1f458afa5e829a619661eb90de6009e9aef2fca02d3cf51f22c7b3e617ee78f6ad3a861cb963a298331d48ebbf60d9
SHA1 hash: c1a9541e8d0b6a40e5510b9e8c11782341e29ab2
MD5 hash: 4add19dc7c3695f36c42807f2fc456c3
humanhash: massachusetts-november-venus-johnny
File name:bryjf.exe
Download: download sample
Signature DCRat
Create hunting rule
File size:12'048'896 bytes
First seen:2025-06-19 13:09:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:L+JEfJhZ8j53sY1jCeqm6qv80MaooQajSMpHYWOkEfW5EQJZrUVvsgMYHQgdUU2I:L+a5csqCeq08moPajSQY5HYryHACWU
Threatray 60 similar samples on MalwareBazaar
TLSH T19DC612341FD54BC0E7FA4A74286CD3514DB4B703A81AC78FA6C0614D8E63A76DB2297E
TrID 58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
8.4% (.EXE) Win64 Executable (generic) (10522/11/4)
5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter abuse_ch
Tags:DCRat exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
bryjf.exe
Verdict:
Malicious activity
Analysis date:
2025-06-19 13:12:30 UTC
Tags:
rat asyncrat remote auto-startup
Link:
https://app.any.run/tasks/37d4e8a4-9a7d-4e24-af26-0cdca58266f9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DCRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/10205/
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68540c24953596c9e96c67ae
Tags:
autorun emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Launching a process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm base64 cmd configsecuritypolicy evasive fingerprint hacktool lolbin mpcmdrun msconfig obfuscated reconnaissance regedit remote schtasks vbnet wmic
Link:
https://www.filescan.io/uploads/68540c0ff8f8abe4f8b6f611/reports/4d5b2ae0-a2c7-43bd-90a0-28a02ae96590/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/78f2345f-d8d7-41e6-b9c5-9d0f27099baf
Result
Threat name:
AsyncRAT, DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1718552
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Contains functionality to capture screen (.Net source)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1718552 Sample: bryjf.exe Startdate: 19/06/2025 Architecture: WINDOWS Score: 100 19 Suricata IDS alerts for network traffic 2->19 21 Found malware configuration 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 13 other signatures 2->25 7 bryjf.exe 3 2->7         started        process3 dnsIp4 17 89.248.173.136, 49691, 8848 INT-NETWORKSC Netherlands 7->17 15 C:\Users\user\AppData\Roaming\...\Redix.url, MS 7->15 dropped 11 WMIC.exe 1 7->11         started        file5 process6 process7 13 conhost.exe 11->13         started       
Score:
0%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa/
Threat name:
ByteCode-MSIL.Backdoor.Asyncrat
Create hunting rule
Status:
Suspicious
First seen:
2025-06-19 13:10:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=t6g6h7e5wcdcboubxifkw6gdasvc34mzijaaka7hjuwz46zaqova._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
326f6f4666110d3946f684fa450fa2f5e207b6fcbc6a8170a5df22c0fcc19385
DCRat
3695e634b502f0df0f10f5445ce9aacadff5a52fcc07870b791d52bef0e4cc47
DCRat
812e83c65db512f4467b5959a1efa053c9beec05b6eef5b6b5b85904ed8e79ca
DCRat
8c4e2908eebef7809f904d0e93851ab9397db0693c989dc9c83e840c927d3dc8
DCRat
9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa
DCRat
b38f89519205f6183c4ce10141cbfd77aeb5406153a5440537a33a591d64e37d
DCRat
error
DCRat
+ 50 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/250619-qd2fyavnz9/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops startup file
AsyncRat
Asyncrat family
Malware Config
C2 Extraction:
89.248.173.136:8848
Verdict:
Malicious
Tags:
rat asyncrat venom_rat Win.Packed.Adwarex-9851111-0
YARA:
EXE_VenomRAT_May_2024 Windows_Generic_Threat_ce98c4bc asyncrat
Link:
https://app.threat.zone/submission/05badb1d-05f9-45c8-b385-d97103bc4455
Unpacked files
SH256 hash:
9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa
MD5 hash:
4add19dc7c3695f36c42807f2fc456c3
SHA1 hash:
c1a9541e8d0b6a40e5510b9e8c11782341e29ab2
Link:
https://www.unpac.me/results/966579d5-9736-4dec-a54c-71acfa1d23b1/
SH256 hash:
29c93f3b12ac9e55f63635e5d87679d89fbf9cd0618ce9af498f7b2f7e2e341a
MD5 hash:
faf20ea5b6b3895868e6c85f7696b122
SHA1 hash:
8ca5cae1b546d7133a265ef7919b92542ffc31a4
Detections:
SUSP_NET_Large_Static_Array_In_Small_File_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/966579d5-9736-4dec-a54c-71acfa1d23b1/
Parent samples :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 family:
DCRat
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9f8de3fc9db0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa

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:async_RAT
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked AsyncRAT malware samples.
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:growtopia
Create hunting rule
Author:Michelle Khalil
Description:This rule detects unpacked growtopia stealer malware samples.
Rule name:INDICATOR_EXE_Packed_Fody
Create hunting rule
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Create hunting rule
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Generic_Threat_ce98c4bc
Create hunting rule
Author:Elastic Security

File information

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

Web download

DCRat

Executable exe 9f8de3fc9db08620ba81ba0aab78c304aa2df19942400503e74d2d9e7b2083aa

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/10205/
  
URLhaus
https://urlhaus.abuse.ch/url/3560206/
  
Delivery method
Distributed via web download

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 (GUARD_CF)high

Comments