MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5. 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: 15

Intelligence 15 IOCs YARA 17 File information Comments 1

SHA256 hash:	76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5
SHA3-384 hash:	228891194e0171703b07e57f283a4de017a28e8f8bd960416125abf278b52d9d9548e2fd9f032460cb993523af3481fb
SHA1 hash:	438eab80f8dfbb0160bc258ccfd04b45f7e811ce
MD5 hash:	6f7f8c5a5e2ee030b2ad60fc83a84ecf
humanhash:	fish-vermont-delaware-blossom
File name:	6f7f8c5a5e2ee030b2ad60fc83a84ecf
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	576'000 bytes
First seen:	2024-06-14 07:47:22 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep	12288:G+I/OIe8N6sqIbQTZaO45DFDamZmC64Wyl9P8jwu:nIeKbCt4dFDammrljwu
TLSH	T183C4D05953FE670BE6FE7B7A607019260F397EA1A825FA6C9480D0DD9837B406430B37
TrID	29.1% (.SCR) Windows screen saver (13097/50/3) 23.4% (.EXE) Win64 Executable (generic) (10523/12/4) 14.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.0% (.EXE) Win32 Executable (generic) (4504/4/1) 4.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter	zbetcheckin
Tags:	32 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

543

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5.exe

Verdict:

Malicious activity

Analysis date:

2024-06-14 07:49:05 UTC

Tags:

agenttesla stealer

Link:

https://app.any.run/tasks/e69f827f-0542-42fc-acb8-8bd829140eb4

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.Packed2.46950.24205.18705.UNOFFICIAL

Verdict:

Suspicious

Score:

50%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666bf629da26254765605de2win7simulatehigh_evasion

Tags:

Generic

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Stealing user critical data

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5

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/35abcc5d-a3e3-48d4-be28-37f1d8f81c48

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1457139

Signature

.NET source code references suspicious native API functions

AI detected suspicious sample

Antivirus detection for URL or domain

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

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

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

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5/

Threat name:

Win32.Trojan.Snakelogger

Status:

Malicious

First seen:

2024-06-14 07:48:10 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=o3xwvb5qo6ghstacop5h5fuxktj4xhof3h6plipuilm5dwwqo3kq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240614-jm4t4a1bng/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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

AgentTesla

Unpacked files

SH256 hash:

45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b

MD5 hash:

fb1bc19121c4e190d83672bc71b493f0

SHA1 hash:

c3488b969ba578e28ee360be24b6416425a224a0

Link:

https://www.unpac.me/results/55b6bb7f-2780-4cdf-b39f-99ddad6ddc8c/

SH256 hash:

6c4f5163fe02e86f23ec39056108c90afac7086c36599cb373938f59dd37d91e

MD5 hash:

c4f2053c8ed2a9ca9ebf8e6aecac3663

SHA1 hash:

17043e90c201b98a8e8affcf993a4216dc7ee980

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/55b6bb7f-2780-4cdf-b39f-99ddad6ddc8c/

SH256 hash:

47171f010240eb9e7d70f6924b2e5a2a968e701be356e5f950a1c29feeb5bd68

MD5 hash:

591518105d4ea88fd74a4ca2f0ddd292

SHA1 hash:

095a0eb55586c37fca2a9134d0a89b647c8c96d5

Detections:

MALWARE_Win_DLInjector02

Link:

https://www.unpac.me/results/55b6bb7f-2780-4cdf-b39f-99ddad6ddc8c/

SH256 hash:

76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5

MD5 hash:

6f7f8c5a5e2ee030b2ad60fc83a84ecf

SHA1 hash:

438eab80f8dfbb0160bc258ccfd04b45f7e811ce

Link:

https://www.unpac.me/results/55b6bb7f-2780-4cdf-b39f-99ddad6ddc8c/

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5

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:	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.

Web download

AgentTesla

exe 76ef6a87b0778c794c0273fa7e969754d3cb9dc5d9fcf5a1f442d9d1dad076d5

(this sample)

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/2887829/

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

Comments

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zbet commented on 2024-06-14 07:47:23 UTC

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