MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 611a1ab90193672c4b95cb934a617b98314df0a24406342a0f1fedb08efd1997. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 611a1ab90193672c4b95cb934a617b98314df0a24406342a0f1fedb08efd1997
SHA3-384 hash: fc9caca6a7401e79daa93c1dfdb7df90243b2af31bb9aa0dcdf609850c1b95643e210829e1c54a2450371f6fedd9f446
SHA1 hash: 94c46e86f9f030c15c35a5dd1219512ac4f3dbb4
MD5 hash: 2d491420f227a64ec8306ace86002071
humanhash: alabama-foxtrot-king-pizza
File name:pi8Cg5anVJdQ7wK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:434'688 bytes
First seen:2020-07-16 06:22:03 UTC
Last seen:2020-07-16 07:03:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DyJ6I6BRvvOwvOCC9AostMmZrg6Qnv2DdDgAS:OJHkXOwvIgMysGdUL
Threatray 10'671 similar samples on MalwareBazaar
TLSH 4794F15572FC4F0AF57A87F5177559C4077A365AAA72E6080CD2E4CB28AA7084BE0F23
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.eyrestox.com
Sending IP: 104.168.198.133
From: Sally Yao (PUR) <sally@moonpo.com>
Subject: Purchase Order P.O.T192585--1S349D---( 2020/07/15 MRP)  
Attachment: PO350425x.7z (contains "pi8Cg5anVJdQ7wK.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26329/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader33.59431.12992.23934.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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
Using the Windows Management Instrumentation requests
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/611a1ab90193672c4b95cb934a617b98314df0a24406342a0f1fedb08efd1997/
Threat name:
ByteCode-MSIL.Trojan.Dapato
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 06:23:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=menbvoibsntsys4vzojuuyl3tayu34fciqddikqpd7w3bdx5dglq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'661 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Link:
https://tria.ge/reports/200716-8kszqvx6me/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
Rule name:win_agent_tesla_w1
Create hunting rule
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

zip 11241fa5305e7341456b64740371c444c20b035a79853ba1fafc2bd52fff748a

AgentTesla

Executable exe 611a1ab90193672c4b95cb934a617b98314df0a24406342a0f1fedb08efd1997

(this sample)

  
Dropped by
MD5 9b63897050ef1e888e9550e960eb89f3
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26329/
  
Dropped by
SHA256 11241fa5305e7341456b64740371c444c20b035a79853ba1fafc2bd52fff748a

Comments