MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78. 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

AgentTesla

Vendor detections: 10

Intelligence 10 IOCs YARA 24 File information Comments

SHA256 hash:	9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78
SHA3-384 hash:	c51165e816dd62bb46a722b6a4e6ba2725a5d35a0c98a02be6a7701375227ffefbe012a04b537b87c1958a59112b85aa
SHA1 hash:	e4ef076505b37c1426c170bf72064a4c25b75e5f
MD5 hash:	440223fbaae118d9fe23c41bfac0c423
humanhash:	cup-sweet-north-spaghetti
File name:	buttocks.vbs
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	154'011 bytes
First seen:	2025-03-06 13:57:38 UTC
Last seen:	Never
File type:	vbs
MIME type:	text/plain
ssdeep	1536:pyqQMvyD8PlfEdMw+pZNF54d5lNxIH/vnAU:o9j8PuwBF54d5lNxIH/vnAU
Threatray	3'521 similar samples on MalwareBazaar
TLSH	T161E34C22665176567AA944D1788AEC07CB0511E7EB74CF22F28FEF8C477DB88C0F4299
Magika	vba
Reporter	James_inthe_box
Tags:	AgentTesla vbs

Intelligence

File Origin

# of uploads :

# of downloads :

152

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Script.SNH-gen.15942.1986.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67c9aabcc668b65489bf754f

Tags:

obfuscate xtreme shell lien

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive obfuscated powershell

Link:

https://www.filescan.io/uploads/67c9a9f33c5f644bd946461b/reports/dc75e7c2-a0af-4a6b-bd7e-fc4cd1910ff8/overview

Verdict:

Malicious

Link:

https://www.hybrid-analysis.com/sample/9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78

Result

Verdict:

UNKNOWN

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1631008

Signature

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Potential malicious VBS script found (suspicious strings)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sigma detected: Base64 Encoded PowerShell Command Detected

Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet

Sigma detected: Silenttrinity Stager Msbuild Activity

Sigma detected: WScript or CScript Dropper

Suricata IDS alerts for network traffic

Suspicious execution chain found

Suspicious powershell command line found

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

VBScript performs obfuscated calls to suspicious functions

Windows Scripting host queries suspicious COM object (likely to drop second stage)

Writes to foreign memory regions

Wscript starts Powershell (via cmd or directly)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Powershell decode and execute

Yara detected Powershell download and execute

Behaviour

Behavior Graph:

Download SVG

Score:

Verdict:

Benign

File Type:

SCRIPT

Link:

https://malprob.io/report/9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78/

Threat name:

Script-WScript.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-03-06 02:34:00 UTC

File Type:

Text (VBS)

AV detection:

11 of 24 (45.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ttxsa2x3442d7trqrnwnsv4y3c6ynemixy4kbgxa7oywchivnn4a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

4c2ed880890b3a6b9d3f181ec73cb495c429b48e580bd3ba0ddcba4bb500ff8c

AgentTesla

638e107bf5c809f6ee00417883dd6c2dbf1506bfb05720fe3f66437ee96c315c

AgentTesla

a3fc7377d62b44533ae2f56fcbe3ce43946b03acb10ca73f47574ebc833e2494

AgentTesla

error

AgentTesla

fc9649b45b363c12443f6a24908c6b7d9f191d4312700b729c87122a867c783a

AgentTesla

+ 3'511 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250306-q9xgvszvby/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Command and Scripting Interpreter: PowerShell

Looks up external IP address via web service

Checks computer location settings

Blocklisted process makes network request

AgentTesla

Agenttesla family

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

Rule name:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	detect_tiny_vbs Create hunting rule
Author:	daniyyell
Description:	Detects tiny VBS delivery technique

Rule name:	html_auto_download_b64 Create hunting rule
Author:	Tdawg
Description:	html auto download

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

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:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

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

Malspam

AgentTesla

vbs 9cef206afbe7343fce308b6cd95798d8bd869188be38a09ae0fbb1611d156b78

(this sample)

Delivery method

Distributed via e-mail attachment

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