MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496. 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


VenomRAT


Vendor detections: 17


Intelligence 17 IOCs YARA 16 File information Comments 2
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496
SHA3-384 hash: ca43b5a1c1b6988ebb0a0184b86ce6fa2adfca2e90e1c0c5665d7b18a7856d5ba4381edc39faa29e6adc62f716ccb8ae
SHA1 hash: 6940472ac3d4bc73e7e7fbad8c705f8f6e4c059f
MD5 hash: 7f0028ed74089543b62b2cf305df54b9
humanhash: green-quiet-failed-idaho
File name:Monotone.exe
Download: download sample
Signature VenomRAT
Create hunting rule
File size:75'776 bytes
First seen:2025-07-02 16:09:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'818 x AgentTesla, 19'743 x Formbook, 12'286 x SnakeKeylogger)
ssdeep 1536:eUXNwcxKHXwzCtmPMV9TeoqKMSAIYH1bU/ytCHQzcyLVclN:eUXicxK8WmPMV9Tl0dH1bUqoQjBY
TLSH T15D7349053BD88D26E2AE4BF9BDF251074AF4D1576012CE5E3CC844CD6A67BC58A036EA
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 burger
Tags:exe VenomRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
30
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
Monotone.exe
Verdict:
Malicious activity
Analysis date:
2025-07-02 16:08:13 UTC
Tags:
auto-reg asyncrat
Link:
https://app.any.run/tasks/63bd8f6e-1efe-4822-a48a-d776f4ff05b9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
VenomRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/12047/
Detection(s):
Win.Packed.Razy-9807129-0
Create hunting rule

Win.Malware.Generickdz-9865912-0
Create hunting rule

Win.Trojan.AsyncRAT-9914220-0
Create hunting rule

Win.Malware.Zusy-10034587-0
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6865596c900df8e7f8658ac5
Tags:
autorun dropper virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
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
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Connection attempt to an infection source
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e83c939b-58ee-4976-957b-2330070bd2d4
Result
Threat name:
AsyncRAT, VenomRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1727371
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
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: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected VenomRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1727371 Sample: Monotone.exe Startdate: 02/07/2025 Architecture: WINDOWS Score: 100 34 paste.ee 2->34 36 1ri7zwh3k.localto.net 2->36 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 50 11 other signatures 2->50 8 Monotone.exe 9 2->8         started        11 dadada.exe 14 2 2->11         started        signatures3 48 Connects to a pastebin service (likely for C&C) 34->48 process4 dnsIp5 30 C:\Users\user\AppData\Roaming\dadada.exe, PE32 8->30 dropped 32 C:\Users\user\AppData\...\Monotone.exe.log, CSV 8->32 dropped 15 cmd.exe 1 8->15         started        18 cmd.exe 1 8->18         started        38 paste.ee 23.186.113.60, 443, 49681 KLAYER-GLOBALNL Reserved 11->38 40 1ri7zwh3k.localto.net 154.194.35.243, 49682, 49693, 8301 IKGUL-26484US Seychelles 11->40 52 Antivirus detection for dropped file 11->52 file6 signatures7 process8 signatures9 54 Uses schtasks.exe or at.exe to add and modify task schedules 15->54 20 conhost.exe 15->20         started        22 schtasks.exe 1 15->22         started        24 dadada.exe 3 18->24         started        26 conhost.exe 18->26         started        28 timeout.exe 1 18->28         started        process10
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496
Verdict:
njRat
YARA:
7 match(es)
Tags:
.Net Executable njRat PE (Portable Executable) RAT Win 32 Exe x86
Link:
https://app.malva.re/file/7f0028ed74089543b62b2cf305df54b9
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-07-02 16:08:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 38 (84.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r5n3jhxsyelyyej5i57xbbllhvm2cb5g6wsvcgm7wxvax2irysla._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/250702-tmg1fafq7v/
Behaviour
Delays execution with timeout.exe
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
Verdict:
Malicious
Tags:
rat asyncrat venom_rat Win.Packed.Razy-9807129-0
YARA:
EXE_VenomRAT_May_2024 Windows_Generic_Threat_ce98c4bc asyncrat win_asyncrat_unobfuscated
Link:
https://app.threat.zone/submission/fb8fb9a3-d6ee-492c-89a6-3214d1c907d9
Unpacked files
SH256 hash:
8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496
MD5 hash:
7f0028ed74089543b62b2cf305df54b9
SHA1 hash:
6940472ac3d4bc73e7e7fbad8c705f8f6e4c059f
Detections:
AsyncRAT
Create hunting rule
VenomRat
Create hunting rule
Link:
https://www.unpac.me/results/14a4f84a-4cad-47c3-a3e8-d3ef8aeca85e/
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/8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496

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: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:venomrat
Create hunting rule
Author:jeFF0Falltrades
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)

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/12047/

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


Avatar
commented on 2025-08-08 18:59:30 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496",
"yara_possible_family": "venomrat",
"key": "2e6d575adae889e7128790ee868c58f21fce5891d2b986017ce62a0e676445f7",
"salt": "56656e6f6d524154427956656e6f6d",
"config": {
"Ports": [],
"Hosts": [],
"Version": "Venom RAT + HVNC + Stealer + Grabber v6.0.3",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "dadada.exe",
"Key": "V2xtNGFlR3I0SVZVMW43MHlPOFdET09HMGY1NFRxZTg=",
"Mutex": "dadadada",
"Certificate": "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",
"Serversignature": "KnTj00aSkJBr09MM1hFl48xmXTuyJTfGcj4HCF7WQvSH4pDvXmw3jQyLbZyDwmPw+L/2AMfoNVnbigeQoaRyRQsVFSijYM3vJRcz5AmE4+5QBvc9khkw7Aic2MQBvnDXPkFS5rk63plVIphk6z6Sp67wVRuwKPznQm6p9pToldM=",
"Pastebin": "https://paste.ee/r/7467kw7n/0",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "false",
"Anti": "false"
}
}

Avatar
commented on 2025-08-08 18:55:24 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "8f5bb49ef2c1178c113d477f70856b3d59a107a6f5a551199fb5ea0be911c496",
"yara_possible_family": "venomrat",
"key": "2e6d575adae889e7128790ee868c58f21fce5891d2b986017ce62a0e676445f7",
"salt": "56656e6f6d524154427956656e6f6d",
"config": {
"Ports": [],
"Hosts": [],
"Version": "Venom RAT + HVNC + Stealer + Grabber v6.0.3",
"Install": "true",
"InstallFolder": "%AppData%",
"InstallFile": "dadada.exe",
"Key": "V2xtNGFlR3I0SVZVMW43MHlPOFdET09HMGY1NFRxZTg=",
"Mutex": "dadadada",
"Certificate": "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",
"Serversignature": "KnTj00aSkJBr09MM1hFl48xmXTuyJTfGcj4HCF7WQvSH4pDvXmw3jQyLbZyDwmPw+L/2AMfoNVnbigeQoaRyRQsVFSijYM3vJRcz5AmE4+5QBvc9khkw7Aic2MQBvnDXPkFS5rk63plVIphk6z6Sp67wVRuwKPznQm6p9pToldM=",
"Pastebin": "https://paste.ee/r/7467kw7n/0",
"BSOD": "false",
"Hwid": "null",
"Delay": "1",
"Group": "Default",
"AntiProcess": "false",
"Anti": "false"
}
}