MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b. 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: 20

Intelligence 20 IOCs YARA 16 File information Comments

SHA256 hash:	ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b
SHA3-384 hash:	4df347b7f0c7e07a150fe4af367b32f34b57892391fa8f05526f499ec2d9eb107f71da4c330471b21531c1f674616411
SHA1 hash:	9b1f5f8cfd67d237bde6c8610b9dc45737474082
MD5 hash:	4f7e88f22f510303d71b011a62056bd7
humanhash:	whiskey-echo-delta-echo
File name:	ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	240'128 bytes
First seen:	2024-08-01 13:30:50 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:tq2lRVplu9PWSbdNqbYdZIXhAsGZ5cutIbJ:tHlRVplu9PWSbdUWGbGjtm
Threatray	3'885 similar samples on MalwareBazaar
TLSH	T1A4340F037E48EB15E5A87E3782EF6C2413B2B0C71633C60B6F49AF6618516426D7E72D
TrID	60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b

Verdict:

Malicious activity

Analysis date:

2024-08-01 13:37:06 UTC

Tags:

smtp evasion stealer exfiltration agenttesla

Link:

https://app.any.run/tasks/505ca0b2-efde-4563-94fa-b50c440f57a0

Note:

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

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66ab8e19037b02d0daecf1bc

Tags:

Discovery Infostealer Network Stealth Agent Tesla

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Creating a window

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

agenttesla anti-vm azorult evasive fingerprint hacktool hook infostealer keylogger lolbin remote stealer vbnet

Link:

https://www.filescan.io/uploads/66ab8e1e78d5c73fb1ca9f88/reports/3f3113e9-f93d-4abc-90ee-d0828aad7d78/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b

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/9c99ba56-9ebd-4032-a5bc-bfe1538cdba8

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1486059

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Machine Learning detection for 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)

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

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-06-19 09:12:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=55dy6ewpjn6t7du2hervzjj66bwb5asjuxlgph5q6rr7d7qyqkfq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

4f6463b100f7812cc3d70de6abf38bd48290132ed93bc275fcedc5ef7571ff59

AgentTesla

a73bde5818cf35b57af18ef482d69a39cf93ab332eb5a1301042c9b69e74dcc9

AgentTesla

b176d26d7edd74f65ed6ccf28d17dc9f4f64decc0cae12810c3659a5ed6f811a

AgentTesla

bda83410e36e6df3e02531ed3dbe7d419e8d950e5492d70ef222969013481778

AgentTesla

+ 3'875 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla credential_access discovery keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240801-qsc2wssfkl/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

System Location Discovery: System Language Discovery

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

Credentials from Password Stores: Credentials from Web Browsers

AgentTesla

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/3f9486b4-ef40-42ff-91b6-fbbcb10eab23

Unpacked files

SH256 hash:

ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b

MD5 hash:

4f7e88f22f510303d71b011a62056bd7

SHA1 hash:

9b1f5f8cfd67d237bde6c8610b9dc45737474082

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/9c920ac7-b7e6-4d7b-ae62-ebde8708db73/

Parent samples :
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Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/ef478f12cf4b/report/overview.html

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

Threat name:

AgentTesla

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/ef478f12cf4b7d3f8e9a39235ca53ef06c1e8249a5d6679fb0f463f1fe18828b

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:	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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