MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83. 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 17 File information Comments

SHA256 hash:	4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83
SHA3-384 hash:	3c587f5699c4bd715eff66a1d961aeae726efe826acf12bddf7fcb036ff13adaafa1bf235f9a2a9ef81af3cd5586e137
SHA1 hash:	521cc6ee41f906f87c3d0b270a3f4d7965b6702f
MD5 hash:	074d73f9840941d0c41f51e808842bc1
humanhash:	october-quiet-lamp-blue
File name:	Siparis TS210 TRTRP2 % Vat DIP No2561 PB 34870 .exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	787'456 bytes
First seen:	2024-03-09 12:15:51 UTC
Last seen:	2024-03-09 14:38:35 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:IvnFtImAFNyr+uxiCkqjQQ30zGrJjHvvz0LcfLe5herRaVuHK9wc2HSSUk:KF61FalivHDGrpHvvh1RMwc2V
Threatray	582 similar samples on MalwareBazaar
TLSH	T1F8F4129633A81B79D1BB0BF7657211402376B51E8C61F69C4CD750CE0AB2F089B76EA3
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	abuse_ch
Tags:	AgentTesla exe geo TUR

Intelligence

File Origin

# of uploads :

# of downloads :

336

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83.exe

Verdict:

Malicious activity

Analysis date:

2024-03-09 12:27:36 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/ed8df566-206a-4212-9c67-15195f56f878

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/478318/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Stealer.38593.10240.7652.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Setting a keyboard event handler

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

92%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/65ec530e87137159d437e623/reports/631d3bcc-eb9b-4fb2-be73-0c6889d44cc2/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83

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/07dd6bf6-89ec-4463-b134-9fd1f48c0bea

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1405889

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Injects a PE file into a foreign processes

Installs a global keyboard hook

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)

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, 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/4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-03-08 12:16:08 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jlcsu4w52p4yd7kqxjjgusrb6pskx3aoege77devmckp4ef7vobq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

0615ef112cce9f3111818a05ca04def31168070e160976b0f9f914b1807ef5ba

AgentTesla

16e3a82a5c0094537926cf5286fdc10fdef7ca5984ff63009582125a8efa1546

AgentTesla

8d52ad531a5b78fdb0795a14f972923a14f494f13531da24cff68c9446d80dfa

AgentTesla

+ 572 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240309-pfhk6sgd8w/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

3a9f86a46fa3e5c7bca75ee1324a27bee2bd824455cd2f278b2e534a74464e22

MD5 hash:

0b9db733442c0f862e66a768408338b8

SHA1 hash:

e6a615fdfbe9880c88a8317bdd6d94833b9a1f81

Link:

https://www.unpac.me/results/2d62e345-572b-4627-b6fe-3eb49f54c749/

SH256 hash:

b1f63b3ea7cc065bf6b04d13fdb0c3a43f336045367dac6f45ac49b4d9b2403e

MD5 hash:

a8d01745eed77e9879bcc82a29870a5a

SHA1 hash:

db24b6f7340e7e3b2527e429df2ab48d77ed5a1a

Link:

https://www.unpac.me/results/2d62e345-572b-4627-b6fe-3eb49f54c749/

SH256 hash:

16093ff49c15d89429d5c043b470957ec9952629e61958b94f1cfec6af965799

MD5 hash:

963cf7f5b98f975f402e0e6e84b91da4

SHA1 hash:

d1f23a76ff126ff695787187fbd554be4a168d1f

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/2d62e345-572b-4627-b6fe-3eb49f54c749/

Parent samples :

63dc6a0b3e1c7c4ac5f8ebc5e7b1c7bce6796b615e2ceba9402629224a965ec8
1ab95c10be8f319893fa338dce8bd5e7569f223e909dafa43b94f56457171602
f164ce16a674a43c3b7d06100e60136389aa00502051103abdd88f741ca58ba8
4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83
fff7aca00f542ef15489143dfde3d042bdcffb8cedf2ad50a684da31dc181f93

SH256 hash:

c10c9b0882bac6f788f48b4dabe3291b14e639e650f2b9fcb0bc174ac92ae02b

MD5 hash:

7c7fb6daa78beb69128991ff893143ed

SHA1 hash:

c01bb99984b12b84129db80eae1d5d8341a358e2

Link:

https://www.unpac.me/results/2d62e345-572b-4627-b6fe-3eb49f54c749/

SH256 hash:

4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83

MD5 hash:

074d73f9840941d0c41f51e808842bc1

SHA1 hash:

521cc6ee41f906f87c3d0b270a3f4d7965b6702f

Link:

https://www.unpac.me/results/2d62e345-572b-4627-b6fe-3eb49f54c749/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4ac52a72ddd3/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4ac52a72ddd3f981fd50ba526a4a21f3e4abec0e2189ff8c956094fe10bfab83

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:	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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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.

Cape

https://www.capesandbox.com/analysis/478318/

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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