MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28be907f56300a4543b8b1e619aa485f124998bf9f754c78efebded0e4e2693c. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28be907f56300a4543b8b1e619aa485f124998bf9f754c78efebded0e4e2693c
SHA3-384 hash: 25214a9974aa7af87a0e9af4911b466a8e736e209b2e3e606e86df2174e9889d5d36e69259454d0e185556a55ed49c60
SHA1 hash: 59b290626d1bca9ac6f39e35fc48319cb6b47f99
MD5 hash: e8806faa3786b5ce44be24c5ff561a64
humanhash: friend-arizona-ohio-happy
File name:Payment Copy001#pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'094'769 bytes
First seen:2020-07-07 12:52:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdtYn354U5f298pXumMIxDlJ7IOrHZE+HhaXyCazFQYcaMnY6FKg:z5bYne00IXlDlFvEcyyZ66wFKg
Threatray 9'293 similar samples on MalwareBazaar
TLSH CF351202B6C644B1E5321A350E3EE322A9BCBD740F34DA2F77D40D9DDA35192A525FA3
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic310-19.consmr.mail.sg3.yahoo.com
Sending IP: 106.10.244.139
From: prakash mehta <peeteeextrusion@yahoo.co.in>
Reply-To: prakash mehta <peeteeextrusion@yahoo.co.in>
Subject: Scan Payment Copy
Attachment: Payment Copy001pdf.rar (contains "Payment Copy001#pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22280/
Detection(s):
SecuriteInfo.com.Troj.NanoCo_TZ.22029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a file in the %temp% directory
Using the Windows Management Instrumentation requests
Reading critical registry keys
Launching a service
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/28be907f56300a4543b8b1e619aa485f124998bf9f754c78efebded0e4e2693c/
Threat name:
Win32.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 12:54:10 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fc7ja72wgafekq5ywhtbtksil4jetgf7t52uy6hp5ppnbzhcne6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 9'283 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200707-mcmaj91qln/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Executes dropped EXE
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_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

rar 338bb883a90cf9d0b6ecef694c0e752e6c92c943f3de596618a0e5e8df02586e

AgentTesla

Executable exe 28be907f56300a4543b8b1e619aa485f124998bf9f754c78efebded0e4e2693c

(this sample)

  
Dropped by
MD5 88f1f56b400612cfadda33950cf1b77b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22280/
  
Dropped by
SHA256 338bb883a90cf9d0b6ecef694c0e752e6c92c943f3de596618a0e5e8df02586e

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