MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fdde4c982c6028e222f0b85d1907488540221e55d0d5a8729ea644d90735dcb. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 3fdde4c982c6028e222f0b85d1907488540221e55d0d5a8729ea644d90735dcb
SHA3-384 hash: 8c71268817b3982b02187f0fcc38176e05db8b29d1b663fafdcd34d403dd17db66b62a8c8778f254507f3595eddead7f
SHA1 hash: 3f6be806c023db1ca0f55bfa4e5138f83bcfd732
MD5 hash: 2a525dc5a8a3d3d3eb13f15014768044
humanhash: april-emma-carbon-november
File name:PO-2007-11131 LAP020271.exe
Download: download sample
Signature AgentTesla
File size:739'840 bytes
First seen:2020-08-03 13:11:02 UTC
Last seen:2020-08-12 07:16:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:1Q86iv0faSYlm+/RDbn98htvAshcmCxoAxaSM6ub3xUPtqNv:lvztmORHCh7c1af3xk
Threatray 1'117 similar samples on MalwareBazaar
TLSH 4EF4CE5C3BA0996AF55A0FBE5C361002AD34E84BAC1BF38F75B5116C087A79CAC41F67
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, 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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-03 13:12:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla Payload
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 3fdde4c982c6028e222f0b85d1907488540221e55d0d5a8729ea644d90735dcb

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

Comments