MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d99299dcb5f252818471f5a60e1d86527d9f8197814cea9eaba730af29ceda5e. 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: 8

Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash:	d99299dcb5f252818471f5a60e1d86527d9f8197814cea9eaba730af29ceda5e
SHA3-384 hash:	59ecc56e4ac865823ffa26c44d1e6fca69e9f33ef08f85dee2b9e9bf3032e869bdf077406fbb9c547bd0a32d04f76fc6
SHA1 hash:	2ba0a05e7c8774de03604c46e2357f3349c8b280
MD5 hash:	34bb481bea26f40573052b143ab0c539
humanhash:	nevada-idaho-fourteen-virginia
File name:	UPDATED INVOICE.pdf.rar
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	580'659 bytes
First seen:	2023-08-29 09:59:03 UTC
Last seen:	Never
File type:	rar
MIME type:	application/x-rar
ssdeep	12288:XgsbgoYrnQoxHtMguCQPxFTJVT1qwKdd/lYDoHbLQ0JxsLkLyF0UnyWc:wsbdhKHt3IPtFGd/lYDC3BJxsLkWFC
TLSH	T11BC423D93031C5A0689653C08095EAC072684A5C7CE35973BDFF0A3169EA76FB6CDC2E
TrID	61.5% (.RAR) RAR compressed archive (v5.0) (8000/1) 38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter	cocaman
Tags:	INVOICE rar

cocaman

Malicious email (T1566.001)
From: "sharon.lee <sharon.lee@vinpacexpress.com>" (likely spoofed)
Received: "from vinpacexpress.com (unknown [45.81.39.53]) "
Date: "25 Aug 2023 01:51:59 +0200"
Subject: "INVOICE AND DEBIT NOTE"
Attachment: "UPDATED INVOICE.pdf.rar"

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

File Archive Information

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

File name:	UPDATED INVOICE.pdf.exe
File size:	635'904 bytes
SHA256 hash:	4c2cbc5a9ebf7ef6269d1b0533da551b9e1bd419d0e8626db602ea0f77ae8f08
MD5 hash:	e618cf65cf93a41d7da34d0cdac056b3
MIME type:	application/x-dosexec
Signature	AgentTesla

Vendor Threat Intelligence

Detection(s):

Sanesecurity.Malware.28929.RarHeur.UNOFFICIAL

Result

Verdict:

Unknown

File Type:

PE File

Link:

https://app.docguard.net/d99299dcb5f252818471f5a60e1d86527d9f8197814cea9eaba730af29ceda5e/results/dashboard

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/64edc1a4b3b7d7c782d0e95d/reports/c30d4fd2-8bb4-4807-98db-6d1e474b1662/overview

Verdict:

Malicious

Labled as:

Trojan.GenericS

Link:

https://www.hybrid-analysis.com/sample/d99299dcb5f252818471f5a60e1d86527d9f8197814cea9eaba730af29ceda5e

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/d99299dcb5f252818471f5a60e1d86527d9f8197814cea9eaba730af29ceda5e/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2023-08-24 14:25:30 UTC

File Type:

Binary (Archive)

Extracted files:

AV detection:

22 of 38 (57.89%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3gjjtxfv6jjidbdr6wta4hmgkj6z7amxqfgovhvlu4yk6koo3jpa._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/230829-mvjexafa4t/

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

AgentTesla

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/d99299dcb5f252818471f5a60e1d86527d9f8197814cea9eaba730af29ceda5e

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:	NET 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:	SUSP_RAR_with_PDF_Script_Obfuscation Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research

Rule name:	SUSP_RAR_with_PDF_Script_Obfuscation_RID34A4 Create hunting rule
Author:	Florian Roth
Description:	Detects RAR file with suspicious .pdf extension prefix to trick users
Reference:	Internal Research