MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb3964a3d70f222a45dede914aca7daf5f19db631bb2fd9f219c17f517abbf7b. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: fb3964a3d70f222a45dede914aca7daf5f19db631bb2fd9f219c17f517abbf7b
SHA3-384 hash: 0e4706cf7c65382297a527905a00196244898b95e273a6fe6a759a74a91725f13cb9aaca5d5b71bf765ae4339e1432b6
SHA1 hash: a7626f530256001a44542c8dc4363bebdf691a1b
MD5 hash: 0f53add4c4513d71242807bf139d19d6
humanhash: stream-massachusetts-double-coffee
File name:Factura Proforma_Transmec Shipping_INV#250506.PDF.zip
Download: download sample
Signature AgentTesla
File size:743'691 bytes
First seen:2025-06-23 05:59:49 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:fN+J8mFoMWQHQr1UoqZpycVArLznzv4Vt9LFAJQVkUAkMtyOOEVlfcGkeesD3pT8:gCm6M3w+oipyc6rvzgVtZFAukbkdOOE0
TLSH T1B3F423D46E9D19A51D27E23DFB373C5380F724B8B88286F1A3B23636A6365907330D65
Magika zip
Reporter cocaman
Tags:AgentTesla Shipping zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Sara Oliveras <jimmy.zavala@utec.edu.pe>" (likely spoofed)
Received: "from unassigned.quadranet.com (unknown [198.55.98.68]) "
Date: "22 Jun 2025 21:44:56 -0700"
Subject: "Re: Factura Proforma_Transmec Shipping"
Attachment: "Factura Proforma_Transmec Shipping_INV#250506.PDF.zip"

Intelligence


File Origin
# of uploads :
1
# of downloads :
434
Origin country :
CH CH
File Archive Information

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

File name:Factura Proforma_Transmec Shipping_INV#250506.PDF.exe
File size:1'116'672 bytes
SHA256 hash: 57752262d1f2b530fa014b31fe3d836f47d0b8ebcc81e275a9bf173b42f808a3
MD5 hash: 3655d9ae7e7c163a060151ddd2ffe16c
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
micro virus sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dotnet-loader masquerade obfuscated packed packed packed packer_detected vbnet
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.
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) Zip Archive
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2025-06-23 04:20:52 UTC
File Type:
Binary (Archive)
Extracted files:
73
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla discovery execution keylogger persistence spyware stealer trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
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
Command and Scripting Interpreter: PowerShell
AgentTesla
Agenttesla family
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win32_dotnet_form_obfuscate
Author:Reedus0
Description:Rule for detecting .NET form obfuscate malware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

zip fb3964a3d70f222a45dede914aca7daf5f19db631bb2fd9f219c17f517abbf7b

(this sample)

  
Delivery method
Distributed via e-mail attachment
  
Dropping
AgentTesla

Comments