MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8. 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 16 File information Comments

SHA256 hash:	9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8
SHA3-384 hash:	502edf19e1f0fbebfcf02a776b1cb4487b204c10686539d9a80a8c636ad927d825f9bfa68e08b8316a791245a75f128a
SHA1 hash:	9d3334eb5d2756bf89a72d258dc1cd65586fa78e
MD5 hash:	3e54288a5b841c863d2e4c17faa5e923
humanhash:	princess-lemon-red-jersey
File name:	Request for Quotation.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	685'056 bytes
First seen:	2024-04-23 14:24:31 UTC
Last seen:	2024-04-23 15:42:38 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:Ec5HADvngoTl8tP3a1NizDv75tKdmYY7Smv0BbcgrMUoQe/0sydYB:SPnR8t/LaQYY7VicGMUof/
Threatray	413 similar samples on MalwareBazaar
TLSH	T108E422146BFAAF6BE57E93781A71680007B1FAA6E073D1EA1EC010D750E6FC08615F67
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)
Reporter	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

380

Origin country :

Vendor Threat Intelligence

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

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

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Sending a custom TCP request

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

obfuscated packed

Link:

https://www.filescan.io/uploads/6627c4c375339da04f9cf80e/reports/127f31fa-8ff0-4948-8352-ecf9f812df36/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8

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/101bd828-a85d-4e11-8779-454602f764c8

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1430410

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

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)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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

Sigma detected: Scheduled temp file as task from temp location

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 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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-23 12:43:30 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=tk5fbxkiofbwjv3njeebh35p352ue2fsz2r63vlrx5fl4vyezdea._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

870b351d47a9afbc5b250a50a24cdd348ed65d95eecee4cedff4e3191ac927a6

AgentTesla

8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e

AgentTesla

9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8

AgentTesla

dd582857ac395bba073187d17dcce2d51e8ff315b844c1a06a773323312b7771

AgentTesla

+ 403 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240423-rq95aaha88/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

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:

a961debde7f2be258c1c682764feb6a59a3a6bbb47629ec6d9b123aa945e84fd

MD5 hash:

900c764d783585fffe068f2d2a0c91b9

SHA1 hash:

ffb752af40a45ded5c48fec053b3d88b845e5256

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_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/906f8ddc-c26a-4fc3-bcd0-52039fc29737/

Parent samples :

dd64934df95a8678e303aaef7b1b8b58caa68a039e3f50788c7c88f408e93432
9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8

SH256 hash:

410f68d56cb103f0b167c1e134a79b1604784d86847b4b503a332c1660833b5e

MD5 hash:

9f361bd332b648e5abb94b2e71461783

SHA1 hash:

f9ec31fc82045fb0a7b1322087a49edf3f7ab231

Link:

https://www.unpac.me/results/906f8ddc-c26a-4fc3-bcd0-52039fc29737/

SH256 hash:

6b1a9ac83ee981fadd50ea7047edfa63457658224d4ffe45ce56e1daeca863bb

MD5 hash:

958862235d5b39fe8496b02f23e46fe6

SHA1 hash:

7f5081cf30a19340409e574f74c5ae5d0da35847

Link:

https://www.unpac.me/results/906f8ddc-c26a-4fc3-bcd0-52039fc29737/

SH256 hash:

9d29ddb766975d283e42d47ee67fd1f3b88ddecf6defe6f408651984a1eb7313

MD5 hash:

fab0e6b2412a13709095243bcf12af07

SHA1 hash:

23ad8b746833f68dcad791f23f3c7f236af907bb

Link:

https://www.unpac.me/results/906f8ddc-c26a-4fc3-bcd0-52039fc29737/

SH256 hash:

9aba50dd48714364d76d490813efafdf754268b2cea3edd571bf4abe5704c8c8

MD5 hash:

3e54288a5b841c863d2e4c17faa5e923

SHA1 hash:

9d3334eb5d2756bf89a72d258dc1cd65586fa78e

Link:

https://www.unpac.me/results/906f8ddc-c26a-4fc3-bcd0-52039fc29737/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/9aba50dd4871/report/overview.html

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:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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:	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_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.

Delivery method

Other

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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