MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4ca039244746f1bd66d245c7e8d3f29abe101179636d2f09594fe51e2d37f83. 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: 5


Intelligence 5 IOCs YARA 6 File information Comments
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SHA256 hash: f4ca039244746f1bd66d245c7e8d3f29abe101179636d2f09594fe51e2d37f83
SHA3-384 hash: 0604e5ad33dd8510b40eaad27e72ae009f62db9c33b78e083b909d35ea6661a31ba9164a37b1807dc5977de8af98ea0b
SHA1 hash: 464a3cb32ce464beb6c4350c07a6a5788af1302a
MD5 hash: a59e8384ba0f8ccd98eeb9ba01efa548
humanhash: venus-chicken-thirteen-india
File name:PO 32065118 27-10.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:294'400 bytes
First seen:2020-10-27 12:11:42 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:rk3hOdsylKlgryzc4bNhZF+E+W2knwdI7vSisEPcaq4UTfJHgZIqidAcjvZr0yJm:3biC/fJAGjV33zeQ2jg
TLSH C1541293BAC58D48DF8B0B7A5EB24AD03F36EC102F6A53177216FA0D0B753C1994256B
Reporter abuse_ch
Tags:AgentTesla xls


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: tonyhai
Sending IP: 103.225.25.27
From: BEL HADJ AMOR <erdman@gusikowski.gq>
Subject: RE: [order confirmation]: PO OCTOBER 2020
Attachment: PO 32065118 27-10.xls

AgentTesla payload URL:
http://209.141.35.239/33/32065118.jpg

AgentTesla C2:
http://192.236.199.183/nxnx/inc/a8807078bc879d.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.OLE2.Downloader.db.3871.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/513444
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates processes via WMI
Downloads files with wrong headers with respect to MIME Content-Type
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Powershell drops PE file
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: Suspicious Program Location Process Starts
Suspicious powershell command line found
Tries to detect virtualization through RDTSC time measurements
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4ca039244746f1bd66d245c7e8d3f29abe101179636d2f09594fe51e2d37f83/
Threat name:
Document-Office.Trojan.Heuristic
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Status:
Malicious
First seen:
2020-10-27 04:53:09 UTC
AV detection:
3 of 48 (6.25%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6tfaheseorxrxvtneroh5dj7fgv6caixsy3nf4evst7fdywtp6bq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/201027-12ta7lrr46/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Checks processor information in registry
Office loads VBA resources, possible macro or embedded object present
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f4ca039244746f1bd66d245c7e8d3f29abe101179636d2f09594fe51e2d37f83

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:Email_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:PowerShell_in_Word_Doc
Create hunting rule
Author:Florian Roth
Description:Detects a powershell and bypass keyword in a Word document
Reference:Internal Research - ME
Rule name:Select_from_enumeration
Create hunting rule
Author:James_inthe_box
Description:IP and port combo
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Excel file xls f4ca039244746f1bd66d245c7e8d3f29abe101179636d2f09594fe51e2d37f83

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/756150/
  
Delivery method
Distributed via e-mail attachment

Comments