MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac. 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 16 File information Comments

SHA256 hash:	9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac
SHA3-384 hash:	53361c3dea0191d384fe13f429877facf81ea591b60b346c3369c63fdaf97683dcfaadf24c0c250f9ac7bd518207e8f3
SHA1 hash:	7851ddabd9b7c5871570798ec6c2f6d3971c7601
MD5 hash:	5be1f2b833a36e7727b07c1cf331cd30
humanhash:	nevada-tango-thirteen-wisconsin
File name:	SecuriteInfo.com.Win32.PWSX-gen.5054.6994
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	663'552 bytes
First seen:	2024-03-08 05:16:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	12288:AlFtImAFsfMuIqNWdN823eEO9EotOtawrRcSqsyidbnNfWOpDvx:K61FYM6QNpeEO9TtW3qsyiJh3pDvx
Threatray	5'019 similar samples on MalwareBazaar
TLSH	T1ABE423443A6D5433D48B067918FB314263BC473AB391F7CF5FD2C6EAA996F8A2804547
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	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac.exe

Verdict:

Malicious activity

Analysis date:

2024-03-08 05:25:29 UTC

Tags:

evasion agenttesla stealer

Link:

https://app.any.run/tasks/b382cfe9-fb13-4284-9925-53dceec8c883

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.5054.6994.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Sending a custom TCP request

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/65ea9f4e757c624818a623b0/reports/f7d872e3-2893-46e4-a6fc-98a518a30d88/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac

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/cc121579-08f2-46ad-a625-d2b70108b767

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1405246

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

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 Putty / WinSCP information (sessions, 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/9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac/

Threat name:

Win32.Trojan.GenSteal

Status:

Malicious

First seen:

2024-03-08 03:22:36 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=tkebrhv4nb7kjr4hz6khhhsim76siahieomozohp2gtanrwz2wwa._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

a34703455cfad3bd85b49213b77382c3308f677f2ebd0fc547531fe383dd24ca

AgentTesla

b006cf4fd03f3e81254956c69cd58dae7f4c583c01002f0aff109a9d8e431fd1

AgentTesla

fbce4f9307bc7a24373da238ae5ecac473463bd9ae41e34b8fe8c68dc5750ff6

AgentTesla

+ 5'009 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240308-fypmrsga52/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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

AgentTesla

Unpacked files

SH256 hash:

418619d1e80d46f2feb89faaf6d2dd0e3197bb70cb069eeaa01cb4de9956b866

MD5 hash:

0b219fb26bd416dc07d1ef0786c94c2b

SHA1 hash:

a5b4538e56dbfe40e166c0b549a76aeb23b123d4

Link:

https://www.unpac.me/results/99c11f49-0640-44c9-ae8d-3b86716b1f6d/

SH256 hash:

918f10b0a31abbccdedc500fde312ea2254d34b2934aee7a32d99fade03f11bc

MD5 hash:

758f3c87aa5263543e068c2e03e9e177

SHA1 hash:

940921a15e7aa3c37a5f791d141f25ce70bb10b4

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/99c11f49-0640-44c9-ae8d-3b86716b1f6d/

Parent samples :

9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac
400048c1985fecca9ae8506cb9b1b7fbd685a0d8d5fb4ffc375cc357dcec3626
2a43f1b160cae2b4a8823f8ffa06ec1c64e2bba3622986df05bc309b5caefd50
08bd459fea5b2cc457194064afba3d3347e43c1bdc4b7cb792ad91e87152d7b8
d3294fea72213eb1ea0db5b189c49d9dbb130a680931de340364bed3952913bd

SH256 hash:

a3c8d037d59883be04665a2582121edfd13426ccce4b6c432a8119593378885c

MD5 hash:

5375b78ece673254b32a240d891c61ec

SHA1 hash:

357026daf1a9ab7ec01de7790a4a63ff8eb13291

Link:

https://www.unpac.me/results/99c11f49-0640-44c9-ae8d-3b86716b1f6d/

SH256 hash:

203cb0587f5ed6d9c7fe4c0ff40c515f38a8cdaa420e6084b652081916a2b721

MD5 hash:

9c591a74340030e0cf5743ee8ba57647

SHA1 hash:

2abf869c1c530379868dcdc2289fe8abdd17fa1e

Link:

https://www.unpac.me/results/99c11f49-0640-44c9-ae8d-3b86716b1f6d/

SH256 hash:

9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac

MD5 hash:

5be1f2b833a36e7727b07c1cf331cd30

SHA1 hash:

7851ddabd9b7c5871570798ec6c2f6d3971c7601

Link:

https://www.unpac.me/results/99c11f49-0640-44c9-ae8d-3b86716b1f6d/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/9a88189ebc68/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/9a88189ebc687ea4c787cf94739e4867fd2400e82398ecb8efd1a606c6d9d5ac

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:	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.

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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