MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e. 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

Formbook

Vendor detections: 19

Intelligence 19 IOCs YARA 26 File information Comments

SHA256 hash:	4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e
SHA3-384 hash:	e442af340914a95d8d0ce6318bfb3edfec973b4ad5dbaafac21a6b4d08597e72314a85c3c69c8e28b118c292722f41f1
SHA1 hash:	9c20eb4431fdff31c2b1c4fcc31667c98241ae8b
MD5 hash:	ace509054df475ebc5ee896596534924
humanhash:	video-pasta-connecticut-four
File name:	Dekont.pdf (2).exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	743'424 bytes
First seen:	2025-06-13 10:50:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'739 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:4Iuw+lrlxK6/0Xe7OVEudLa50KKwnk9NWetIiXqK8NW1CeD9zENsdARhY:4ueuAOeoVk5ywk6AIiTR1C7Ri
Threatray	3'454 similar samples on MalwareBazaar
TLSH	T1B8F401842398D603F4A61BB86D71D37457B86D9EB902E31A9FED6CFF793770064402A2
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10522/11/4) 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)
Magika	pebin
Reporter	abuse_ch
Tags:	exe FormBook geo TUR

Intelligence

File Origin

# of uploads :

# of downloads :

442

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

Dekont.pdf (2).exe

Verdict:

Malicious activity

Analysis date:

2025-06-13 11:35:35 UTC

Tags:

evasion stealer agenttesla ftp exfiltration netreactor amsi-bypass

Link:

https://app.any.run/tasks/a62fa0f7-2c4c-482f-98e0-0d6a2aba5c74

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/9334/

Detection(s):

SecuriteInfo.com.BackDoor.AgentTeslaNET.37.12736.15051.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=684c029307b5e8c1cfe6b0c9

Tags:

spawn shell virus lien

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Labled as:

Win/malicious_confidence_70%

Link:

https://www.hybrid-analysis.com/sample/4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/653faac2-026e-4fc0-bd4d-54b7a60dcec4

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1714023

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

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

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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 steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e/

Verdict:

Malicious

Link:

https://tip.neiki.dev/file/4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2025-06-13 07:40:14 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

26 of 38 (68.42%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jnibavvoyhvtpngav4lz6jatzehuszeoriipp3oosnywxxgngqxa._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla discovery execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/250613-mxk2hsvlz4/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Looks up external IP address via web service

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

Agenttesla family

Verdict:

Malicious

Tags:

external_ip_lookup agenttesla

YARA:

n/a

Link:

https://app.threat.zone/submission/7ee1252f-e0c6-4ce0-8b2c-2693ab5c21fe

Unpacked files

SH256 hash:

4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e

MD5 hash:

ace509054df475ebc5ee896596534924

SHA1 hash:

9c20eb4431fdff31c2b1c4fcc31667c98241ae8b

Link:

https://www.unpac.me/results/2d1e7baf-47ce-499d-a963-556661955df1/

SH256 hash:

a0fbef31fb3a925ca1798405e2c6a5c603fcbf5d6748092e293a7897be838ef4

MD5 hash:

34125452e1b069a323ca024a22045c1b

SHA1 hash:

15288bdc08c7818d27f3e879d0f117e804dc0b61

Detections:

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/2d1e7baf-47ce-499d-a963-556661955df1/

Parent samples :

6c863b2dd3f9e7a690f4ab3a1ec9c7da83d2f20e7b82d58dae4bfae34218a878
4f8dff4a98a4dc1e366f3ed7fea7ecb9e241513d53b8c1162b6d10e82f503444
4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e
89c3e3fe0552a4bab50a29be88ba4de7a0bdf112bb66b20cdd170492cf8f2f97
c461f2d138724872445da7840680b54618044a079b69e42eae4c95e79ba77cc2

SH256 hash:

e5ca1b818ca136953db3b57e7bfa803af5eb777056193911ca5bff4ff370cc87

MD5 hash:

2136b8dc7bbcdca92281e94f2e113484

SHA1 hash:

1bbe79da913aafc408e4afb57bc984e6ee28aec0

Detections:

win_agent_tesla_g2

Agenttesla_type2

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

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_VaultSchemaGUID

MALWARE_Win_AgentTeslaV2

Link:

https://www.unpac.me/results/2d1e7baf-47ce-499d-a963-556661955df1/

Parent samples :

f8faa603f3c32992ce83dfc31ae4341d3b0501124eabceb21bbeffd8b852cfee
4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e
4fb637c4caacb8d3ea6a9db3b0d06cc8a9b5b0f23429dab7d0697053a55aa0dc
421845427e0545d9d2782444f2dfc75ef58368e3ff0274108fd7f2ca8da2bd8f
a027b7c68abfb710b76c204b02fb6d17fe2825210f8aa61a96a4c0a21614ffd1
26d88548fb6387644d90e615eca6e1f0103ffc5df0b4de341c81cbdc28d53ce1
1494ed37c7ea409a0d8445032855474030fc4dbe0c16844b3b349d55acea5de8
7ec7f5f0925deb6103fce8ea0808cab85b23de31306b80ca01a9ca2017a637c1

SH256 hash:

b5e17985f0a11291f4ce3bb83b0c03dfafe3b94ff6bbf38a4d7ab138f4f13366

MD5 hash:

ce6ef5495d91ab2d49348ad1fa3d76d7

SHA1 hash:

491ff7e9a1f892dc87e433ee4f8c8a87a247e565

Detections:

SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24

SUSP_OBF_NET_Reactor_Indicators_Jan24

Link:

https://www.unpac.me/results/2d1e7baf-47ce-499d-a963-556661955df1/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4b501056aec1/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/4b501056aec1eb37b4c0af179f2413c90f49648e8a10f7edce93716bdccd342e

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:	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:	growtopia Create hunting rule
Author:	Michelle Khalil
Description:	This rule detects unpacked growtopia stealer malware samples.

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:	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:	Runtime_Broker_Variant_1 Create hunting rule
Author:	Sn0wFr0$t
Description:	Detecting malicious Runtime Broker

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_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.

Cape

https://www.capesandbox.com/analysis/9334/

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
CHECK_TRUST_INFO	Requires Elevated Execution (Unrestricted:true)	high

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