MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55. 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: 12

Intelligence 12 IOCs YARA 24 File information Comments

SHA256 hash:	543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55
SHA3-384 hash:	0951dd6659a1dfc36c47c1cee46411e29de16c5ac5417413cf5366bb7cc8cbdf8566c30dcb661c9dabbb16172a2c1aa1
SHA1 hash:	52814d0785f9ba1967c2b15969ec9c357bf5395f
MD5 hash:	4ab2d0c1cd22d0d94ea484c6a3f61dca
humanhash:	floor-oscar-zebra-leopard
File name:	STEINN.ps1
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'079'277 bytes
First seen:	2026-02-05 08:31:59 UTC
Last seen:	Never
File type:	ps1
MIME type:	text/plain
ssdeep	24576:GItIaxOuLagmd2eKCwBvbWZxMeMI/awsnmn:HzLnxvmxUI
Threatray	3'322 similar samples on MalwareBazaar
TLSH	T1B5351211DE18CE510A6C826124669D82AA914EB79C04777A7F8F4E4E6F5F4AFC2313FC
Magika	powershell
Reporter	JAMESWT_WT
Tags:	45-153-34-90 AgentTesla ftp-hhautoinvestment-co-tz ps1

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Verdict:

Malicious

Score:

90.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6984559f3361f35a4b0b2b81

Tags:

ransomware spawn lien hype

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

base64 powershell

Link:

https://www.filescan.io/uploads/69845594930564ff3c8c3d81/reports/f9c5c334-1938-419b-ae6f-4ed0c90b0ea2/overview

Verdict:

Malicious

Labled as:

PowerShell/Kryptik.LR trojan

Link:

https://www.hybrid-analysis.com/sample/543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55

Result

Gathering data

Verdict:

Malicious

File Type:

ps1

First seen:

2026-02-04T20:50:00Z UTC

Last seen:

2026-02-04T21:07:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55/results?tab=lookup

Score:

90%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55

Gathering data

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55/

Verdict:

Malicious

Threat:

Family.AGENTTESLA

Link:

https://tip.neiki.dev/file/543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kq55xyuwgxgxcjs2nj7x7ukvhkzrqiwad4nkyhu5wyrljirodrkq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/260205-kfhhysby7f/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Command and Scripting Interpreter: PowerShell

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

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/543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55

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:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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:	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:	Windows_Generic_Threat_779cf969 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.

Web download

AgentTesla

ps1 543bdbe29635cd71265a6a7f7fd1553ab31822c01f1aac1e9db622b4a22e1c55

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3772401/

Delivery method

Distributed via web download

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