MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5683e9201b5e1962693f4fd6d5485a553ed8537c6956c6bfed7d040d20069f0. 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 3 File information Comments

SHA256 hash: d5683e9201b5e1962693f4fd6d5485a553ed8537c6956c6bfed7d040d20069f0
SHA3-384 hash: d1964338d3044c172d705903ce70dc98a6303e421f6ee7ddd7b6a3e1a6c743672a2dd507a8705d38baa36fdeb6f7372a
SHA1 hash: ffd35cd5ee6fce0e9bf6c77dbe3549aae8590f7a
MD5 hash: 7483acf66e65e0870c1180f64e985bab
humanhash: spring-orange-hamper-west
File name:LmmDm1gMY4XV2Ti.exe
Download: download sample
Signature AgentTesla
File size:676'864 bytes
First seen:2020-08-28 06:03:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:Ej406wYFLht4dM9kBU7sVJrfb+Taf3fDtrm3G9gnDO+cPTVMjzSGvFHmY:J09di0hz+mxrwG+aRTVMjzNv
Threatray 9'222 similar samples on MalwareBazaar
TLSH D4E4127D0B2FDF2AC1DD2EB4F02E708607D44CA9B542E78AEE66B0690DB57D924506C3
Reporter abuse_ch
Tags:AgentTesla exe Outlook


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: EUR06-AM7-obe.outbound.protection.outlook.com
Sending IP: 40.92.16.64
From: Gogo Kondyli <gkondyli@hotmail.com>
Subject: Aw; Request for quotation
Attachment: Po-331983- Pdf.lzh (contains "LmmDm1gMY4XV2Ti.exe")

AgentTesla SMTP exfil server:
roham.dnswebhost.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 278991 Sample: LmmDm1gMY4XV2Ti.exe Startdate: 28/08/2020 Architecture: WINDOWS Score: 100 30 g.msn.com 2->30 34 Found malware configuration 2->34 36 Multi AV Scanner detection for dropped file 2->36 38 Sigma detected: Scheduled temp file as task from temp location 2->38 40 7 other signatures 2->40 8 LmmDm1gMY4XV2Ti.exe 5 2->8         started        signatures3 process4 file5 22 C:\Users\user\AppData\...\lZDGEhDkjVVxXU.exe, PE32 8->22 dropped 24 C:\...\lZDGEhDkjVVxXU.exe:Zone.Identifier, ASCII 8->24 dropped 26 C:\Users\user\AppData\Local\...\tmpECA5.tmp, XML 8->26 dropped 28 C:\Users\user\...\LmmDm1gMY4XV2Ti.exe.log, ASCII 8->28 dropped 42 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->42 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->46 48 2 other signatures 8->48 12 LmmDm1gMY4XV2Ti.exe 2 8->12         started        16 schtasks.exe 1 8->16         started        18 LmmDm1gMY4XV2Ti.exe 8->18         started        signatures6 process7 dnsIp8 32 roham.dnswebhost.com 185.159.153.69, 49733, 587 SERVERPARSIR Iran (ISLAMIC Republic Of) 12->32 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->50 52 Tries to steal Mail credentials (via file access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 2 other signatures 12->56 20 conhost.exe 16->20         started        signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.Sudloader
Status:
Malicious
First seen:
2020-08-28 06:05:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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: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

AgentTesla

Executable exe d5683e9201b5e1962693f4fd6d5485a553ed8537c6956c6bfed7d040d20069f0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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