MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6500927c19e228cc116484a103ba594fdeadccf06159332ead8cc9b3d9da83db. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments

SHA256 hash: 6500927c19e228cc116484a103ba594fdeadccf06159332ead8cc9b3d9da83db
SHA3-384 hash: 7674d2055061efce0d0783137a378d4a31cc29be6068e9520c82a27eb49d261f08d1906ab3fe75da844d641333cfa82c
SHA1 hash: ebe539aeb57b78a3ad8085fe61dcc5ce3bfb6fd9
MD5 hash: 033304a9a935c4d0d64769245abfe3ae
humanhash: mountain-zulu-jig-ack
File name:033304a9a935c4d0d64769245abfe3ae.exe
Download: download sample
Signature AgentTesla
File size:359'131 bytes
First seen:2021-12-16 08:45:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9f4693fc0c511135129493f2161d1e86 (251 x Neshta, 15 x Formbook, 14 x AgentTesla)
ssdeep 6144:k9WoOGMVW8hHvdzORdUvpI8+Kolq185x0gqJkmqzcx7BMAqgc5X8GibuI:PGY+My8hnufTxm7xl5
TLSH T1D5740286B7E0C9B7C1180378CD6ADFF58377BA92692A0A9327742D8FFC747835508166
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file in the Windows directory
Modifying an executable file
Creating a window
Creating a file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun with the shell\open\command registry branches
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Infecting executable files
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
neshta overlay packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla Neshta
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops PE files with a suspicious file extension
Found malware configuration
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Neshta
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 540826 Sample: jI1fC3cb5H.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Antivirus detection for dropped file 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 6 other signatures 2->51 7 jI1fC3cb5H.exe 4 2->7         started        process3 file4 19 C:\Windows\svchost.com, PE32 7->19 dropped 21 C:\Users\user\AppData\...\jI1fC3cb5H.exe, PE32 7->21 dropped 23 C:\ProgramData\...\vcredist_x86.exe, PE32 7->23 dropped 25 6 other malicious files 7->25 dropped 53 Creates an undocumented autostart registry key 7->53 55 Drops PE files with a suspicious file extension 7->55 57 Drops executable to a common third party application directory 7->57 59 Infects executable files (exe, dll, sys, html) 7->59 11 jI1fC3cb5H.exe 17 7->11         started        signatures5 process6 file7 27 C:\Users\user\AppData\...\cxzqpbmkny.dll, PE32 11->27 dropped 29 C:\Users\user\AppData\...\5gp7kbp5os7rke0k, DOS 11->29 dropped 61 Multi AV Scanner detection for dropped file 11->61 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->65 67 Injects a PE file into a foreign processes 11->67 15 jI1fC3cb5H.exe 2 3 11->15         started        signatures8 process9 dnsIp10 31 ns.e-sen.cz 81.2.197.205, 49811, 587 INTERNET-CZKtis238403KtisCZ Czech Republic 15->31 33 192.168.2.1 unknown unknown 15->33 35 webmail.e-sen.cz 15->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->37 39 Tries to steal Mail credentials (via file / registry access) 15->39 41 Tries to harvest and steal ftp login credentials 15->41 43 Tries to harvest and steal browser information (history, passwords, etc) 15->43 signatures11
Threat name:
Win32.Virus.Neshta
Status:
Malicious
First seen:
2021-12-16 08:46:09 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
28 of 28 (100.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:neshta collection keylogger persistence spyware stealer trojan
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
NSIS installer
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
AgentTesla Payload
AgentTesla
Modifies system executable filetype association
Neshta
Unpacked files
SH256 hash:
6500927c19e228cc116484a103ba594fdeadccf06159332ead8cc9b3d9da83db
MD5 hash:
033304a9a935c4d0d64769245abfe3ae
SHA1 hash:
ebe539aeb57b78a3ad8085fe61dcc5ce3bfb6fd9
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_Neshta
Author:ditekSHen
Description:Detects Neshta
Rule name:MAL_Neshta_Generic
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 6500927c19e228cc116484a103ba594fdeadccf06159332ead8cc9b3d9da83db

(this sample)

  
Delivery method
Distributed via web download

Comments