MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d. 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: 18

Intelligence 18 IOCs YARA 18 File information Comments

SHA256 hash:	3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d
SHA3-384 hash:	7c76169d7dffa9b65f95ff5b1cce9813ab0b910ac3e9416952b5ef214d66fe894660079cfe5f451364b7f76f8463e5ca
SHA1 hash:	c7db8c532ef25249c377c3e22197ca8f3df0f342
MD5 hash:	9e2e47c1b220b368cbf9720d362fea80
humanhash:	purple-tennis-maryland-crazy
File name:	YILDIZ A.s siparis000867_000960 Hizmet Teklif Talebi.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	713'728 bytes
First seen:	2024-05-18 18:33:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:GdrLbDZaNRpm9w2cqnJ6F/i87C82GFgW20BynVg1tXSuJSRZJyP3Oa++ljR2FjJ1:ILDZMRpm9Q/FaO2RT0QWW/weqSjpeZnc
Threatray	3'782 similar samples on MalwareBazaar
TLSH	T1D6E423D723B4E77FCB554F39DABC5A56473B6E0AC8E7D32C4FE444898AA36845000A8D
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):
dhash icon	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	abuse_ch
Tags:	AgentTesla exe geo TUR

Intelligence

File Origin

# of uploads :

# of downloads :

319

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d.exe

Verdict:

Malicious activity

Analysis date:

2024-05-18 19:03:27 UTC

Tags:

agenttesla stealer smtp

Link:

https://app.any.run/tasks/fb59bc7c-5072-44c2-a0da-ee9a9e3ce39f

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

Win.Trojan.Nanocore-10030118-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Setting a keyboard event handler

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/6648f4a04a6f56bc5c9071fd/reports/b0d3b29a-ba61-4abc-8cbc-a06c469b6167/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d

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.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/47fb02c8-e106-4f29-a92a-f2d421e1d5bd

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1443831

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to log keystrokes (.Net Source)

Contains functionality to register a low level keyboard hook

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Injects a PE file into a foreign processes

Installs a global keyboard hook

Loading BitLocker PowerShell Module

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

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

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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

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

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-05-17 07:44:17 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=g4j2kp23et6yrv2vgq4r4e6wra3gnacwi7t66tdz7cvzj2iih5gq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

b5372cebf5de722e79a9b485984192eb87f6ad78eb2bdd725ae4521c90c0ddac

AgentTesla

e8fe4366c2f5dec094103ca8abbf55bf6d2bfd50fa9e6441111678a0f0e8c432

AgentTesla

f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369

AgentTesla

+ 3'772 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla execution keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240518-w7r29ahc7v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

AgentTesla

Unpacked files

SH256 hash:

f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a

MD5 hash:

d172f59251b97b415b621d302e1be2b7

SHA1 hash:

b1534e603749c901b5ac185f20e281f6be7fa908

Link:

https://www.unpac.me/results/162f7b16-c550-49a8-b465-1c2f7ebaa537/

SH256 hash:

2227c42770d0f5c6d024182ddcde996f3210bb02e73d48d81d969337b851076d

MD5 hash:

c5d11d9265dd643024d03e06844e1929

SHA1 hash:

3f3e8e3cea6cb709208cdd4184400d2629086323

Link:

https://www.unpac.me/results/162f7b16-c550-49a8-b465-1c2f7ebaa537/

SH256 hash:

9808caa443f3dc6805e9bc52a7f3f3ee9b566fa1000a282bb50706d06fd6e035

MD5 hash:

87e4b176134c3e0c248b698c125dc504

SHA1 hash:

1fb798c3f90173c50d877b73db26e11397ae5adc

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/162f7b16-c550-49a8-b465-1c2f7ebaa537/

Parent samples :

333143359814a2f5f5f368af6d19ba412429b6a951c1bf4c2fe68428b40f1bae
9042e8e65eb82000c3929cffd9782aa9b340932f4db19597273695e911551526
3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d
9911742dece406745ed3fdaf47f07a346ab5d2ce30c561968dadb7a0534684de
b5e9a3a112c889e9afaa48926ed0bf9474fb430cc99dff8915192877f58d5efe
4cd5de1b258cc0759ac0e866cc65ce615cdd8de99fc35d12d69983aa2c54519f
3f830d043441cc2229addc4c2f5d99606d67f708647e2d570b7080fdd04c8f3b
de960bd011c711c0d273c8d87c4e4f9a2c3d829f3ad4a96c5a175d8c8a86ec63

SH256 hash:

27ddc96465ac70b602e730ca4b28018a2875f5aca4215f3d8608b9defc8bf23d

MD5 hash:

1b2614489be216f14010dea5dee50dc5

SHA1 hash:

046c2462662dc3adea1c79121b4d865665850e23

Link:

https://www.unpac.me/results/162f7b16-c550-49a8-b465-1c2f7ebaa537/

SH256 hash:

3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d

MD5 hash:

9e2e47c1b220b368cbf9720d362fea80

SHA1 hash:

c7db8c532ef25249c377c3e22197ca8f3df0f342

Link:

https://www.unpac.me/results/162f7b16-c550-49a8-b465-1c2f7ebaa537/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3713a53f5b24/report/overview.html

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/3713a53f5b24fd88d75534391e13d6883666805647e7ef4c79f8ab94e9083f4d

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:	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:	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.

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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