MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ae256533d1ffa18d81da6ba75400092ecd8c01c38c6a4a114fc895d781847ca. 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: 6

Intelligence 6 IOCs YARA 17 File information Comments

SHA256 hash:	6ae256533d1ffa18d81da6ba75400092ecd8c01c38c6a4a114fc895d781847ca
SHA3-384 hash:	c49ff22fa34892e30334205bc40539c8d6e0df7dd4843fb1712444a94d450088a7680c436f6e9788317672f25ad4dbb1
SHA1 hash:	3cfd716f520ee2999b94dc47e2897b68ccee2e93
MD5 hash:	6a5bae0e89bfa56e15b6654ef89f5fb8
humanhash:	fourteen-low-beer-speaker
File name:	Purchase Order PDF.rar
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	703'689 bytes
First seen:	2024-04-18 06:56:27 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:fd+hLgK/HdfXe50FpNc6Hi5cB4l4pvlt2Xtufogk6B02q/:fdygKfZe50FprH/q4p9tMkfhwj/
TLSH	T1C5E433C13E72DBB2FCB4449F66BD251920C339AD9B98C68C612A97D4C0D18BC325767B
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	AgentTesla rar

cocaman

Malicious email (T1566.001)
From: "Arlene <arlene016@illinois-tw.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.58.228]) "
Date: "18 Apr 2024 06:39:39 +0200"
Subject: "Purchase Order 58581 from CTS Cargo Tie-Down Specialty Inc."
Attachment: "Purchase Order PDF.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:	Purchase Order PDF.exe
File size:	765'952 bytes
SHA256 hash:	8603455eb5ecb4d3668419c43db4504edfc8e1edcaa5f065d78325ed7a8d86c5
MD5 hash:	41b141362972c5b724fea74dbf61e3fb
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/6620c43f47bfd8641eae3f3a/reports/f8663899-d741-42ed-a937-82ed34a2b94a/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/6ae256533d1ffa18d81da6ba75400092ecd8c01c38c6a4a114fc895d781847ca

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.

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6ae256533d1ffa18d81da6ba75400092ecd8c01c38c6a4a114fc895d781847ca/

Threat name:

ByteCode-MSIL.Trojan.Barys

Status:

Malicious

First seen:

2024-04-18 06:40:45 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=nlrfmuz5d75brwa5u25hkqaaslwnrqa4hddkjiiu7sev26ayi7fa._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240418-jtt88sgg3v/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

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

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:	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