MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcdf9338be399d3f441d940e06370af20cff1719876d62774f0eff3254265d1d. 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: 6


Intelligence 6 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcdf9338be399d3f441d940e06370af20cff1719876d62774f0eff3254265d1d
SHA3-384 hash: aff2bc9af4e89c2319f9048800f69ae8f8e819a50caf7cbc94b409dfd7836fe7c093060f4e0c335a86b90969f2c62e16
SHA1 hash: 598f7c91b55090baa5c3b8be91fde64799b861c5
MD5 hash: 32cf1df2a7f7b027954b9eb6007ebbef
humanhash: mississippi-artist-alanine-sad
File name:601229.xls
Download: download sample
Signature AgentTesla
Create hunting rule
File size:462'848 bytes
First seen:2020-10-15 12:29:57 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 12288:D2+NJ9+Y+2yy/RdV6jlWRKTZg1VAhO8M0KiT:D2+NJ9+YgqP4BgeZWA7pKiT
TLSH 87A423D3F5C3EE0BD94A073980DB81919F26FC21BFB1921B9285F31A5B707508E4A95E
Reporter abuse_ch
Tags:AgentTesla xls


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: fercamp.com.br
Sending IP: 185.222.57.169
From: WENDEL ~ FERCAMP <vendas1@fercamp.com.br>
Subject: REQUEST FOR QUOTATION
Attachment: 601229.xls

Unknown payload URL:
http://weeshoppi.com/wp-includes/ID3/z/601229.jpg

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Using the Windows Management Instrumentation requests
Bypassing of proactive protection methods using Windows Management Instrumentation (WMI)
Launching a process by exploiting the app vulnerability
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/492404
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Creates an autostart registry key pointing to binary in C:\Windows
Creates processes via WMI
Downloads files with wrong headers with respect to MIME Content-Type
Drops PE files to the user root directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 298632 Sample: 601229.xls Startdate: 15/10/2020 Architecture: WINDOWS Score: 100 42 Antivirus detection for URL or domain 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 Multi AV Scanner detection for dropped file 2->46 48 12 other signatures 2->48 8 powershell.exe 14 20 2->8         started        13 EXCEL.EXE 26 26 2->13         started        15 pcalua.exe 1 1 2->15         started        17 3 other processes 2->17 process3 dnsIp4 40 weeshoppi.com 207.180.212.51, 49733, 80 CONTABODE Germany 8->40 38 C:\Users\Public\Pictures\zktxyzo.exe, PE32 8->38 dropped 56 Powershell drops PE file 8->56 19 zktxyzo.exe 8 8->19         started        23 conhost.exe 8->23         started        file5 signatures6 process7 file8 32 C:\Users\user\qgsje, PE32 19->32 dropped 34 C:\Users\user\AppData\Local\Temp\...\Fdf.dll, PE32 19->34 dropped 36 C:\Users\user\AppData\...\InstallUtil.exe, PE32 19->36 dropped 50 Multi AV Scanner detection for dropped file 19->50 52 Drops PE files to the user root directory 19->52 54 Tries to detect virtualization through RDTSC time measurements 19->54 25 cmd.exe 1 19->25         started        signatures9 process10 process11 27 reg.exe 1 1 25->27         started        30 conhost.exe 25->30         started        signatures12 58 Creates an autostart registry key pointing to binary in C:\Windows 27->58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcdf9338be399d3f441d940e06370af20cff1719876d62774f0eff3254265d1d/
Threat name:
Script-Macro.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-10-15 03:18:02 UTC
AV detection:
16 of 29 (55.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3tpzgof6hgot6ra5sqhamnyk6igp6fyzq5wwe52pb37tevbgluoq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Link:
https://tria.ge/reports/201015-cpep483hz2/
Behaviour
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Office loads VBA resources, possible macro or embedded object present
Drops file in System32 directory
Adds Run key to start application
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Process spawned unexpected child process
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Emotet
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/dcdf9338be399d3f441d940e06370af20cff1719876d62774f0eff3254265d1d

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 dcdf9338be399d3f441d940e06370af20cff1719876d62774f0eff3254265d1d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/697822/
  
Delivery method
Distributed via e-mail attachment

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