MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579. 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: 17

Intelligence 17 IOCs YARA 21 File information Comments

SHA256 hash:	42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579
SHA3-384 hash:	fbb277baac30606d4f70a994ea2b5bd10663aa534f34138325da3fce9a86fbf03e9170e2bdf1ed24267ee651e5675401
SHA1 hash:	94add754ef3f3abab93ea5135f4cde24b24f2128
MD5 hash:	2d3c1ad3e1cdca3e45388c3056755721
humanhash:	nine-uncle-sweet-oklahoma
File name:	Scan_5564.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'139'712 bytes
First seen:	2026-08-19 18:04:00 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'197 x AgentTesla, 20'351 x Formbook, 12'365 x SnakeKeylogger)
ssdeep	24576:7x9cQR+ioFB9mmKKRbpOeOqCqgDGEvXKgMBTplyua6kdL89:7xWQRaE3eOt3MhyNo
TLSH	T1E835DF082257DB27C4117B74C833E7F80A641E95E910D22F9EEA7EBBBF35E355845282
TrID	73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.6% (.EXE) Win64 Executable (generic) (6522/11/2) 4.5% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
Reporter	threatcat_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

164

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

RoboSki

Details

Link:

https://research.acce.ciphertechsolutions.com/results/45df670e-e3f0-436e-bdd3-cb4eb1e4e0f4/

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/82040/

Detection(s):

SecuriteInfo.com.Trojan.Siggen33.40161.5400.16251.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a service

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Changing a file

Stealing user critical data

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

packed vbnet

Link:

https://www.filescan.io/uploads/6a85f03d388b12c02ce0e82c/reports/d2e9919a-63f1-4c4d-9dee-b461772a4721/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/61edeff4-0aa8-4a73-a5d9-c3be08a66db8

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1960647

Signature

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

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

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

Suricata IDS alerts for network traffic

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 harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

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

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected UAC Bypass using CMSTP

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579

Verdict:

inconclusive

YARA:

10 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.33 Win 32 Exe x86

Link:

https://app.malva.re/file/2d3c1ad3e1cdca3e45388c3056755721

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579/

Threat name:

Win32.Trojan.PhantomStealer

Status:

Malicious

First seen:

2026-08-18 21:15:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 38 (71.05%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ik3fdf7ofxo3pm6k4jwpfvmvudyhjyqotoqkulx56qov5q2gcv4q._file

Verdict:

malicious

Label(s):

AgentTesla

Link:

https://reports.threatray.com/e45cd06f-9b0f-4f23-912d-1d5aa242f2c2

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla collection discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/260819-wnx46agg22/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

outlook_office_path

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Accesses Microsoft Outlook profiles

Looks up external IP address via web service

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

Family: AgentTesla

Unpacked files

SH256 hash:

42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579

MD5 hash:

2d3c1ad3e1cdca3e45388c3056755721

SHA1 hash:

94add754ef3f3abab93ea5135f4cde24b24f2128

Link:

https://www.unpac.me/results/258d25a7-cca6-4f65-beaf-fe9cf3c986d2/

SH256 hash:

49baffd57a2753b9b97346e3d9b7c896900bdf92e9cacc5c6e1526c90e6e696d

MD5 hash:

407f7273447577aaaa1abe8ac8df8876

SHA1 hash:

62672d83b00e66016789a758c7133b1b1b55137d

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/258d25a7-cca6-4f65-beaf-fe9cf3c986d2/

Parent samples :

41aa2a9f47277b32efbb369b5b92c79d444d3c524cd55142d9e85603ddea3478
396750d3837d60b8d8aa0253a5b569acfcdf872224e01ecd8f744dd73db4a850
f8a087e8bb376bde31086c42c4ba72bb5995749981e4af328e35473743814ef8
42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579
9ed95464e794e9fe8b2baa4621507c8322b7eb2a3fa182f18f66a457a75a633f

SH256 hash:

1308da2a18c17d5d7e4e3efa95316f53e2fb981ad9e46cda66c26b18b1faef90

MD5 hash:

231d935c6b5eaf67ec44ff7ae71b094c

SHA1 hash:

7caae5f7fbb3c3afa535f5eef2e6f2440aed36a2

Detections:

AgentTesla

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

Link:

https://www.unpac.me/results/258d25a7-cca6-4f65-beaf-fe9cf3c986d2/

Parent samples :

79e3baf24631aeea1b35c96dc7a9a761ea6350a29c1c51eef2f17f7763b681b9
42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579

SH256 hash:

087834541499f4bf19e628e146f568754562d08f0d633833e58074072c4fed7a

MD5 hash:

4963f46d598f8f0bfc0d2d95fb8f0095

SHA1 hash:

bb4e320ef18c4f19ffc21b1c3546b2ed4c9abcd3

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

Link:

https://www.unpac.me/results/258d25a7-cca6-4f65-beaf-fe9cf3c986d2/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/42b65197ee2d/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/42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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:	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:	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_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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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

exe 42b65197ee2dddb7b3cae26cf2d595a0f074e20e9ba0aa2efdf41d5ec3461579

(this sample)

Delivery method

Distributed via e-mail attachment

Cape

https://www.capesandbox.com/analysis/82040/

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