MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb. 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: 16


Intelligence 16 IOCs YARA 11 File information Comments 1

SHA256 hash: 3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb
SHA3-384 hash: 504a7bcf5708ef172ecd625a99e19404a607e5d3dd203c817e96f3ec16966d5f2192b1d2b1f0c46cace2975869d46ef8
SHA1 hash: 725a7f7522e907878eb84456ccb0424332b5cdd6
MD5 hash: 38312527c8f936445c85e7ddde36f420
humanhash: cardinal-london-mobile-winter
File name:38312527c8f936445c85e7ddde36f420
Download: download sample
Signature VenomRAT
File size:75'264 bytes
First seen:2024-01-12 17:18:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:6aUqAcxVMW7eTmJ9rxjJTkdK4WaxHdSzPMwy/eqmmRhdWVH1bfbCeZkwzUIbVclN:6aUTcxVMW7eiJ9rxjJTkdK4WaP0PMwh6
TLSH T1DA734A0037D88926F2AE47B9BCB162070EF4D55B6412CE9E3CC454DE5B67BC58A036EA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter zbetcheckin
Tags:32 exe VenomRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
339
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
ea0e1edd416c2080d13fffc20ab4648156e4acf792d13f2dd9286a0a2b7bdc0a.exe
Verdict:
Malicious activity
Analysis date:
2024-01-12 14:00:22 UTC
Tags:
risepro stealer evasion amadey botnet redline kelihos trojan loader fabookie asyncrat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Creating a window
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool hook keylogger lolbin lolbin mpcmdrun msconfig msiexec njrat rat regedit replace schtasks
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
ModernLoader
Verdict:
Malicious
Result
Threat name:
AsyncRAT, VenomRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1373936 Sample: AMU8lup5Ud.exe Startdate: 12/01/2024 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 8 other signatures 2->39 7 chromeupdate.exe 2 2->7         started        11 AMU8lup5Ud.exe 9 2->11         started        process3 dnsIp4 31 91.92.255.187, 4449, 49706, 49707 THEZONEBG Bulgaria 7->31 41 Antivirus detection for dropped file 7->41 43 Multi AV Scanner detection for dropped file 7->43 45 Machine Learning detection for dropped file 7->45 29 C:\Users\user\AppData\...\chromeupdate.exe, PE32 11->29 dropped 14 cmd.exe 1 11->14         started        17 cmd.exe 1 11->17         started        file5 signatures6 process7 signatures8 47 Uses schtasks.exe or at.exe to add and modify task schedules 14->47 19 conhost.exe 14->19         started        21 schtasks.exe 1 14->21         started        23 chromeupdate.exe 3 17->23         started        25 conhost.exe 17->25         started        27 timeout.exe 1 17->27         started        process9
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2024-01-12 13:44:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:exodus rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
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
Malware Config
C2 Extraction:
91.92.255.187:4449
Unpacked files
SH256 hash:
3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb
MD5 hash:
38312527c8f936445c85e7ddde36f420
SHA1 hash:
725a7f7522e907878eb84456ccb0424332b5cdd6
Detections:
VenomRat
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:INDICATOR_SUSPICIOUS_EXE_WMI_EnumerateVideoDevice
Author:ditekSHen
Description:Detects executables attemping to enumerate video devices using WMI
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_asyncrat_unobfuscated
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.

Web download

VenomRAT

Executable exe 3df5b2d8fa12771d01180865d86b83385535794b18232cca17e5a7e3fac585fb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-01-12 17:18:03 UTC

url : hxxp://91.92.255.187/venom.exe