MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2. 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: 16

Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash:	e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2
SHA3-384 hash:	b363c229f875272c3aab1aa4300158be2e3cefa2a3df9624a817f3b027a5b6ada6a24c97e06a2656b76bb45703116fbb
SHA1 hash:	86530804a57608459d3ff6ffd2442758dc184f89
MD5 hash:	1c03282d15f52ed3095a5c64e7c2a78d
humanhash:	jig-may-music-island
File name:	4v7myD9mN2OaWZp.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	769'024 bytes
First seen:	2024-04-18 20:33:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:Is8NBIu1GLMKsoXtsXVBwNlTqNwp1aUJbypdAt9XhyfOSlF8+50NgxkI:R8Nyuo/soXoVBwjgwp1bOCyGSlF8+5OU
Threatray	1'205 similar samples on MalwareBazaar
TLSH	T1C1F4220037A9CF37DA7F6BF8187828A103B135A6F428F74D9D9920C82715F4587A1E9B
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 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)
File icon (PE):
dhash icon	00822a6ed7a78600 (12 x AgentTesla, 2 x Neshta, 2 x Formbook)
Reporter	TeamDreier
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

353

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2.exe

Verdict:

Malicious activity

Analysis date:

2024-04-18 20:34:13 UTC

Tags:

smtp agenttesla stealer

Link:

https://app.any.run/tasks/add25777-f9e0-408b-83e2-cce8e0190196

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %temp% directory

Launching a process

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Moving a file to the Program Files subdirectory

Replacing files

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

explorer lolbin packed powershell

Link:

https://www.filescan.io/uploads/662183bc31969e15442525fe/reports/448e46b4-d21f-4df9-8bae-d835de54cc4a/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2

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/ec0a781f-821a-468d-b43a-2773e0f1a68e

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1428408

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Loading BitLocker PowerShell Module

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

Sigma detected: Scheduled temp file as task from temp location

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-15 02:32:45 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 22 (72.73%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=47ffw3uf4hmm5rc2wxismqg4y4aw23fjyj5qxdlg6em5iy4yosza._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

75c96c8d4e720fe1290200707fcca94188b4525dcc8ae2f1dfe49068b7bb3e83

AgentTesla

fe713895248de4b043b3427642117fb02d309dcacd002d7f183e07112976b515

AgentTesla

+ 1'195 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240418-zceefsfd2z/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

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:

4f89d60807b895b9dad11bc54feb348984dabfdb53838c519a5787c8147064e1

MD5 hash:

201f6b8918aa0e500a631ddfda5386bd

SHA1 hash:

da9530a539abcb25e38a89109364670a77e55fac

Link:

https://www.unpac.me/results/c553653b-5787-4f88-9dbf-6dae0d0f9a66/

SH256 hash:

e0ccabebf11845ea3a1fb903b24d5d7c252d2a1c63873c486746240849abb5e3

MD5 hash:

7962249751b640fee22a7d726e143215

SHA1 hash:

abfeba5a40892fee1f9b15de0ba5fad8c6c02c2c

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/c553653b-5787-4f88-9dbf-6dae0d0f9a66/

Parent samples :

6f786b8f8dd18709b9e4ad44e33cb1074d55aa2f0f3cd1fe3759e8795df0a3a9
e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2

SH256 hash:

4f9af1bc7a585bea9a3056d63b9bc1da91cceeab1503cb04724e0abf02de1e11

MD5 hash:

3c9602d0c4e4b4761a61fac9762b75d5

SHA1 hash:

7d3d5703b4fa708620d043e04b36ae7294dd211f

Link:

https://www.unpac.me/results/c553653b-5787-4f88-9dbf-6dae0d0f9a66/

SH256 hash:

5d3b862b27a5560f64437cb6536329849a21cdf636a5a60903f09e5a26d6e6ae

MD5 hash:

a3e7359f4b2bba12f1351f95d29edaf0

SHA1 hash:

3bde250aa41f4c8bb377611a8da6158265c7d2c5

Link:

https://www.unpac.me/results/c553653b-5787-4f88-9dbf-6dae0d0f9a66/

SH256 hash:

e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2

MD5 hash:

1c03282d15f52ed3095a5c64e7c2a78d

SHA1 hash:

86530804a57608459d3ff6ffd2442758dc184f89

Link:

https://www.unpac.me/results/c553653b-5787-4f88-9dbf-6dae0d0f9a66/

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

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_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

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.

Malspam

AgentTesla

exe e7ca5b6e85e1d8cec45ab5d12640dcc7016d6ca9c27b0b8d66f119d4639874b2

(this sample)

Delivery method

Distributed via e-mail attachment

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 (GUARD_CF)	high

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