MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 662fef8b4f1d3b467039e66b6c6c415583bca1cb49adf66dbf900d4c48f35db1. 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
| SHA256 hash: | 662fef8b4f1d3b467039e66b6c6c415583bca1cb49adf66dbf900d4c48f35db1 |
|---|---|
| SHA3-384 hash: | 3e0bc8d8d3c6ba5ba42da781e6b76a7f887626149b03ed4d4ef00a6957b007d86683aebc02d4a11a039649fb4851b0c9 |
| SHA1 hash: | bfd9c6630773bd6c3be73da381311db92e676b5d |
| MD5 hash: | 90056f0f953f5973c5a29bc050fd1fce |
| humanhash: | alanine-spaghetti-colorado-echo |
| File name: | Kestrel GTCC Pvt Ltd RFQ_xls.exe |
| Download: | download sample |
| Signature | AgentTesla |
| File size: | 540'672 bytes |
| First seen: | 2020-07-16 08:06:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:d3Mx2k4zULNQsGEV/n1azWDmQ90zeuguGN1zHtA50TuoSa:dyNoEVgzD6ugF |
| Threatray | 11'127 similar samples on MalwareBazaar |
| TLSH | 67B48CDC3510759EC84E8D764964DC70A6203C66F7FBE20763C36E9FBA3C696CA111A2 |
| Reporter |  abuse_ch |
| Tags: | AgentTesla exe |
abuse_ch
Malspam distributing AgentTesla:HELO: gtslogistics.org
Sending IP: 72.18.130.157
From: Kestrel GTCC (Pvt.) Ltd. <abidraza@kestrel.com.pk>
Subject: KESTRE GTCC (Pvt.) Ltd. Request For Quotation
Attachment: Kestrel GTCC Pvt Ltd RFQ_xls.z (contains "Kestrel GTCC Pvt Ltd RFQ_xls.exe")
AgentTesla SMTP exfil server:
mail.tlshellfish.uk:587
AgentTesla SMTP exfil email address:
ricemagic290@gmail.com
Intelligence
File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-16 07:57:57 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
+ 11'117 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
spyware
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| Rule name: | win_agent_tesla_w1 |
|---|---|
| Author: | govcert_ch |
| Description: | Detect Agent Tesla based on common .NET code sequences |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.