MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068. 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 17 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068
SHA3-384 hash: 17c11297a7080799eaf44da19f26a0e014679a7549397d5210953424356e51dae4d5a9b7839cfd82dcbf73094d5c9111
SHA1 hash: 3306a80290079a971df35eb037dd900865ccad0f
MD5 hash: 415479c03f59ed169402224d1bf7a158
humanhash: red-nuts-connecticut-emma
File name:415479c03f59ed169402224d1bf7a158
Download: download sample
Signature VenomRAT
Create hunting rule
File size:76'288 bytes
First seen:2024-08-04 12:17:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:zUt8cxqnHXC56PMV953pIZlyH1bo/MDT0Mz5QzckTtVclN:zUOcxq3O6PMV3slyH1bo0DT0Mz5QhT/Y
Threatray 640 similar samples on MalwareBazaar
TLSH T1B1734B013BD88926F2AE4BB9ACF251074EF8E1576512CE5E7CC440CE5A67BC586037EA
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 :
340
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
415479c03f59ed169402224d1bf7a158
Verdict:
Malicious activity
Analysis date:
2024-08-04 12:20:57 UTC
Tags:
asyncrat
Link:
https://app.any.run/tasks/c7550665-3014-479c-a5e3-fae0338748a2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66af7184037b02d0daed8728
Tags:
Execution Infostealer Network Stealth Trojan
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
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm configsecuritypolicy evasive hacktool hook keylogger lolbin mpcmdrun msconfig msiexec njrat rat regedit schtasks vbnet
Link:
https://www.filescan.io/uploads/66af717fe7dbbbdfcd08eaa3/reports/0f19c715-f2f3-4551-bef8-dbb4f0977e71/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8a22f66c-8771-45e3-aa11-608edc26836d
Result
Threat name:
AsyncRAT, VenomRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1487513
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
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
Opens the same file many times (likely Sandbox evasion)
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 signatures2 2 Behavior Graph ID: 1487513 Sample: upfrVa3Hn7.exe Startdate: 04/08/2024 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus / Scanner detection for submitted sample 2->34 36 Multi AV Scanner detection for submitted file 2->36 38 10 other signatures 2->38 7 WinUpdate.exe 2 2->7         started        10 upfrVa3Hn7.exe 9 2->10         started        process3 file4 40 Antivirus detection for dropped file 7->40 42 Multi AV Scanner detection for dropped file 7->42 44 Machine Learning detection for dropped file 7->44 46 Opens the same file many times (likely Sandbox evasion) 7->46 28 C:\Users\user\AppData\Roaming\WinUpdate.exe, PE32 10->28 dropped 30 C:\Users\user\AppData\...\upfrVa3Hn7.exe.log, CSV 10->30 dropped 13 cmd.exe 1 10->13         started        16 cmd.exe 1 10->16         started        signatures5 process6 signatures7 48 Uses schtasks.exe or at.exe to add and modify task schedules 13->48 18 conhost.exe 13->18         started        20 schtasks.exe 1 13->20         started        22 WinUpdate.exe 3 16->22         started        24 conhost.exe 16->24         started        26 timeout.exe 1 16->26         started        process8
Score:
93%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-08-04 12:18:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=icgezn4ejg5pqrszey34tkhqh5d4hx3hq2wnzzxjvuhpbwzxabua._file
Verdict:
malicious
Similar samples:
1d8219f967ab56f527a176a07a91f447b7ee335103e5cbac73b1bacc03cbab4d
VenomRAT
243107799d46411f4a919d7117eef4b5f1718dc997bf9ef316ed822ea93b29e8
VenomRAT
6980471f4e5af800df1c549940675788c8ff92a0407a158ba2bd56fe538707d9
VenomRAT
70d3c80f3388568d97928cd5c2c236b4436459487b1e4e84e49144930a290fe3
VenomRAT
9cb9f9145a6ee0e02edeb9bc4def3214418342fe7e3a130ba8511a1c8ed77fcd
VenomRAT
f5958eae1d68011fc17a9fbb2f22c18221c36db1984de47a294e274eb4b62f32
VenomRAT
+ 630 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/240804-pgln8avdqp/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d11a5a28-d9e9-4701-b06d-e83229c8c992
Unpacked files
SH256 hash:
408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068
MD5 hash:
415479c03f59ed169402224d1bf7a158
SHA1 hash:
3306a80290079a971df35eb037dd900865ccad0f
Detections:
VenomRat
Create hunting rule
AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/aa571507-6d75-41df-b72e-8a355ed472e7/
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/408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068

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:EXE_VenomRAT_May_2024
Create hunting rule
Author:NDA0E
Description:Detects VenomRAT
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: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.

Web download

VenomRAT

Executable exe 408c4cb78449baf846592637c9a8f03f47c3df6786acdce6e9ad0ef0db370068

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3088203/
  
URLhaus
https://urlhaus.abuse.ch/url/3088648/
  
URLhaus
https://urlhaus.abuse.ch/url/3088661/
  
URLhaus
https://urlhaus.abuse.ch/url/3088832/

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
zbet commented on 2024-08-04 12:17:49 UTC

url : hxxp://94.156.69.242/taskhostw.exe