MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf. 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:	dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf
SHA3-384 hash:	4fe3cc18b13fd0952d9698cee25182b7ba46c6c57500a71d5977163aac708369eeec4c35a10994a57962e7362624c6ae
SHA1 hash:	0c92ecfbe04cd37ed2186af546756633f5993a55
MD5 hash:	095b1428cb11ae9eca5d3c6723dea238
humanhash:	mountain-colorado-sink-low
File name:	DEKONT.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	685'056 bytes
First seen:	2024-05-22 18:42:45 UTC
Last seen:	2024-05-22 19:28:49 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:IaBWsJr1o5x+F9IY0hmoTKCkO+nmKZoG9KjI3JxtWgASCY3KbU/:IagUra5EEYKZkbhoG9q6JbWZU
TLSH	T192E4234CB3A8E973E57C53B795A05411A2B0957038A7E6EE4CE424C72D9AF00EB43F97
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
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 :

328

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf.exe

Verdict:

Malicious activity

Analysis date:

2024-05-22 19:35:50 UTC

Tags:

smtp agenttesla stealer

Link:

https://app.any.run/tasks/dd02c801-5983-4a10-9b2b-52725c50d5ac

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.2858.16176.27199.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=664e3e81da0f32dc88983654win7simulatehigh_evasion

Tags:

Banker Encryption Execution Gensteal Dexter

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf

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/dcebc539-d622-4e46-8c3b-5fd53d7a1d47

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1446036

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

AI detected suspicious sample

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/dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf/

Threat name:

Win32.Trojan.Znyonm

Status:

Malicious

First seen:

2024-05-22 18:43:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=363mnuj3jluxeodkx6svitgpwu3u227ytceqio4ncoaro5ejgs7q._file

Verdict:

malicious

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla execution keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240522-xczpaacd6y/

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

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/868b856a-7758-4ad5-8114-60ae722d2a4b

Unpacked files

SH256 hash:

514aa4ab81f61565ea517b054633bef73d986a0262fada438f69201ec71d2061

MD5 hash:

117e3ef4a53a2f1d7adaed2c7fc7fd89

SHA1 hash:

f9ea0415293fdf7d874961e137945f23356cfcef

Link:

https://www.unpac.me/results/43c84267-03fe-40f6-9455-54a6514974e0/

SH256 hash:

0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303

MD5 hash:

0441cc0dacc6d821252e66a156b1d9bd

SHA1 hash:

df46cc702950a53a5de7b804d2076ef03f8ac6b4

Link:

https://www.unpac.me/results/43c84267-03fe-40f6-9455-54a6514974e0/

SH256 hash:

b1c65ebbc92cb15b686a29ef3fd1c8702f1aeb6d0e6f0d3a9b32c1a3b36699c7

MD5 hash:

0c41bfaabe1660497619d8e6163a6638

SHA1 hash:

83edcfcae290b276429ef6d353dec953e6714e1f

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/43c84267-03fe-40f6-9455-54a6514974e0/

Parent samples :

f33c299ba0741d63f26d1cc353cca0fb1e387bcc1f9ab46178c19953b9226369
e932be50ccbedc897851689fa7fbb5963e839089fa84c321e226612001de1d83
343cddffcd683a5f25d221f6f5a87e110c8c6ef10c3cd68e789faf241ffa359d
dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf
afd40a53c09d2dde762a91a7c798e02fd41ef126e8e4884892db2dd55ee96a5b

SH256 hash:

e0f13b259b02e83cbcef9eb188a10dacfb7be710e17b8874ce5d9879f6a97c02

MD5 hash:

f144a1b2d0d441bec875f59d7fc1d89e

SHA1 hash:

1c7483b003a45aab1a3469e9fda15824ac83acbd

Link:

https://www.unpac.me/results/43c84267-03fe-40f6-9455-54a6514974e0/

SH256 hash:

dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf

MD5 hash:

095b1428cb11ae9eca5d3c6723dea238

SHA1 hash:

0c92ecfbe04cd37ed2186af546756633f5993a55

Link:

https://www.unpac.me/results/43c84267-03fe-40f6-9455-54a6514974e0/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/dfb6c6d13b4a/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/dfb6c6d13b4ae972386abfa5544ccfb5374d6bf89889043b8d138117748934bf

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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