MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b63b505b768508a72c04a1f59bd6315f556b3e5907461af4e94be6ef6cc280ba. 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: 8

Intelligence 8 IOCs YARA 19 File information Comments

SHA256 hash:	b63b505b768508a72c04a1f59bd6315f556b3e5907461af4e94be6ef6cc280ba
SHA3-384 hash:	91b7ab37059aae99d7cbde8b3b2e3fd4f585640f270bb607a9a790f70ee374ab5d15e3855740137f7b7e6fe04d790dc4
SHA1 hash:	a7106784610bd906e9f5b6ea45ec4b9b76839258
MD5 hash:	eb456296603c6698599a8fa9e9fe1981
humanhash:	ten-hotel-winner-enemy
File name:	0002230424.PDF.rar
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	642'835 bytes
First seen:	2025-02-06 11:32:18 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:nr/pIkXc8BLlVx3wsQUpExvK0YDfifFzZTL93lZQNl88Q2YgOF+Y2:rWSLlTzpExSt6nZCBPYr2
TLSH	T1CFD423F9823683D249A19F8E4BF561F062B7904373233F54F65D4518948EAFEAF2E214
TrID	58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1) 41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Magika	rar
Reporter	MAM
Tags:	AgentTesla rar

Intelligence

File Origin

# of uploads :

# of downloads :

108

Origin country :

File Archive Information

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

File name:	mkpqinNsdyZVA15.exe
File size:	855'040 bytes
SHA256 hash:	3f700fd41c6cca501d50cc2f62afd8e0d951efc1a918aa65ab3e84ee563ff1d6
MD5 hash:	f62d1961cd64ed1d99fb35129798b5a8
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67a49ec451193558eb1997c2

Tags:

virus micro lien msil

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

obfuscated obfuscated obfuscated packed

Link:

https://www.filescan.io/uploads/67a49dff4293ba5ea47d709a/reports/a95e4d88-22ea-46c0-ae2b-4a55327e8c26/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/b63b505b768508a72c04a1f59bd6315f556b3e5907461af4e94be6ef6cc280ba

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b63b505b768508a72c04a1f59bd6315f556b3e5907461af4e94be6ef6cc280ba/

Threat name:

ByteCode-MSIL.Trojan.Jalapeno

Status:

Malicious

First seen:

2024-04-24 04:17:28 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

24 of 38 (63.16%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wy5vaw3wquekolaeuh2zxvrrl5kwwpsza5dbv5hjjpto63gcqc5a._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250206-nthyestnbx/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Checks computer location settings

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

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/b63b505b768508a72c04a1f59bd6315f556b3e5907461af4e94be6ef6cc280ba

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:	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:	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:	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:	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