MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38e5581d8074acb4f17dfcfd7ad5c05f9e3345264a4b569265cc115a70c78b0a. 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 3 File information Comments

SHA256 hash: 38e5581d8074acb4f17dfcfd7ad5c05f9e3345264a4b569265cc115a70c78b0a
SHA3-384 hash: c7129e30d9dd485efd52edb2ec24cdb257f94ee6d04b1d051395c5bef65420ac3fca88518c88427f149a3b18094457a4
SHA1 hash: cfd49c5f512a12f479d602fe1647be72543c02b8
MD5 hash: 57861eea3c2588762d25a5c67b3f4961
humanhash: lactose-rugby-asparagus-steak
File name:COTIZACIÓN__PDF__________________________________________________________________65746464.exe
Download: download sample
Signature AgentTesla
File size:493'568 bytes
First seen:2020-08-18 09:52:18 UTC
Last seen:2020-08-18 09:55:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:l/4EcmZHAFaxmVmie9bngPebZEHM1RMcPV3jc5PolN0rB0oAWI:t4EcmZHAFaxmVmie9bngPeKURMclcVIn
Threatray 10'528 similar samples on MalwareBazaar
TLSH CDA48B5A38D0E7DED1E64FB949149C1623FA2F2E050AA90FCC6B39D363D9BC1BD24446
Reporter abuse_ch
Tags:AgentTesla ESP exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: www4.almsoft.net
Sending IP: 193.239.194.10
From: Rodrigo.lourencao <citea.paula@rikkosteel.ro>
Subject: Re: COTIZACIÓN
Attachment: COTIZACIÓN__PDF__________________________________________________________________65746464.gz (contains "COTIZACIÓN__PDF__________________________________________________________________65746464.exe")

AgentTesla SMTP exfil server:
smtp.epaindemgroup.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-17 18:52:50 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence 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
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email 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 38e5581d8074acb4f17dfcfd7ad5c05f9e3345264a4b569265cc115a70c78b0a

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments