MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6b51c1bbca24f8e2e8616702cc07152bc642ab773cef36b0b2b81d506de0793. 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: 7

Intelligence 7 IOCs YARA 25 File information Comments

SHA256 hash:	b6b51c1bbca24f8e2e8616702cc07152bc642ab773cef36b0b2b81d506de0793
SHA3-384 hash:	6bf92c15ea2d727a26876a4296014a29cad817b18fb76cfc55c8e19cc6b1f6bf1b37701418356356246fb9cd2b132b20
SHA1 hash:	2b1fea89ed597e307e9f47d4f93a5198f6e4a719
MD5 hash:	08c3c678039752206ea511b8938daac5
humanhash:	tennessee-alabama-hydrogen-east
File name:	UNS56289FG3D-NMQYU98XC756-MAQEYUEIJK.xxe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	548'436 bytes
First seen:	2025-08-11 06:43:01 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:paGy6oS37G550QsbSlJ3XeVVJCkU0OYzW+UWBV:ESh725gShurJCgW+V
TLSH	T131C423CA6718704BFE4055AB6BBBDAE10D09750B7E3200F4FE96F21F00E6532D3566A9
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	lowmal3
Tags:	AgentTesla file-pumped rar

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	UNS56289FG3D-NMQYU98XC756-MAQEYUEIJK.bat
Pumped file	This file is pumped. MalwareBazaar has de-pumped it.
File size:	110'100'480 bytes
SHA256 hash:	5270a4562274bd949713f832ab8d92d16e1f70f8813e50a9ba4389e58d876065
MD5 hash:	56e8ee8193b64c65c1175e5f7fb14611
De-pumped file size:	1'051'648 bytes (Vs. original size of 110'100'480 bytes)
De-pumped SHA256 hash:	a05762a51db8f789b48ebe1d6193276c266ab6e20236f70468bd5f48ba208061
De-pumped MD5 hash:	265ca0d1e9b2b7e88db301c3d70f3525
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6899911ffca70bd90e8dff5e

Tags:

nymeria autoit

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

adaptive-context anti-debug autoit bloated compiled-script expand fingerprint keylogger lolbin microsoft_visual_cc overlay overlay packed

Link:

https://www.filescan.io/uploads/6899912a167d60d98ab68f61/reports/767bce53-2d53-43b9-a68d-e6973cc38c39/overview

Verdict:

Suspicious

Labled as:

HEUR/Pumpar.Generic

Link:

https://www.hybrid-analysis.com/sample/b6b51c1bbca24f8e2e8616702cc07152bc642ab773cef36b0b2b81d506de0793

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b6b51c1bbca24f8e2e8616702cc07152bc642ab773cef36b0b2b81d506de0793/

Threat name:

Win32.Trojan.AutoitInject

Status:

Malicious

First seen:

2025-08-08 14:07:36 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=w22ryg54ujhy4lugczyczqdrkk6gikvxophpg2ylfoa5kbw6a6jq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250811-hkjwgagp4t/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

AgentTesla

Agenttesla family

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

Threat name:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/b6b51c1bbca24f8e2e8616702cc07152bc642ab773cef36b0b2b81d506de0793

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:	agentesla Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked agenttesla malware samples.

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:	AutoIT_Compiled Create hunting rule
Author:	@bartblaze
Description:	Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.

Rule name:	DebuggerCheck__API 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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

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_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:	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:	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:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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