MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8c83fec461fa3c0dbca9cc651e6b2a6667f62330baee43c1acb0a2422be3699. 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: 7


Intelligence 7 IOCs YARA File information Comments

SHA256 hash: b8c83fec461fa3c0dbca9cc651e6b2a6667f62330baee43c1acb0a2422be3699
SHA3-384 hash: eefbcacc8e40b4e8c475c3f63110ff9422ed2e03d9c427035e88eabbf8b9327234458ffb192be3bd4cb12c56e92c660c
SHA1 hash: 2ace26f1fada5726d134bf2eda7b259ac3531019
MD5 hash: 1b3447adeaa99b033b07fac90a7cf6fb
humanhash: network-uranus-double-social
File name:INQUIRY_MS1830 INV 080420.exe
Download: download sample
Signature AgentTesla
File size:1'152'000 bytes
First seen:2020-08-05 06:30:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:LYEAKxbLiNEb0OPLod0RvLhoEiBE5nMMMMMMMMMMMuMMMMMMMMMMMMMMMMMMMMMI:MzNtOPlRDhovWMMMMMMMMMMMuMMMMMM4
Threatray 548 similar samples on MalwareBazaar
TLSH F2356B357D52C561C6990B32D693DE3447227D47B05EE25D20CE3AC7E4BBBEA028A393
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: yenen.com
Sending IP: 23.106.160.251
From: Javier Biguri Villoslada <sales@yenen.com>
Subject: New Inquiry: 146760-1 Supplier : [REDACTED_DOMAIN]
Attachment: INQUIRY_MS1830 INV 080420.IMG (contains "INQUIRY_MS1830 INV 080420.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
63
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
84 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, 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 ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-05 01:29:35 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AgentTesla

Executable exe b8c83fec461fa3c0dbca9cc651e6b2a6667f62330baee43c1acb0a2422be3699

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments