MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 663bda7b869cefa47acc50bdba83a5fba3637ac2e26a113d3a6dff62595b7860. 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 6 File information Comments

SHA256 hash: 663bda7b869cefa47acc50bdba83a5fba3637ac2e26a113d3a6dff62595b7860
SHA3-384 hash: 59a66786fbdb0945157d8afb9c46b349122c445151d76ef0fb4f7e9d2c9757a0e02cc7362e8ab3f4d7e19c524930aedc
SHA1 hash: ecfe1b3c4d02caf6a862a16f96db153ad89a04c1
MD5 hash: 2365c3e08e266a0fc8f9d2ddb3b44ba2
humanhash: pasta-eighteen-tennis-spaghetti
File name:P.O. #HBG00356.doc.exe
Download: download sample
Signature AgentTesla
File size:855'552 bytes
First seen:2020-11-12 07:46:07 UTC
Last seen:2024-07-24 15:14:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:LBIk8kJZNG3NT0Ad2jLy+isNk3q0frBFCERciqBt8LFVt:LBIP8ZI9TtiiMk3q0frBFLR5qP87
Threatray 10'901 similar samples on MalwareBazaar
TLSH B105CF30B265FB56EA381BF4D491E4B80FA42E1F9969D94D3CD03EDF3075B848A05A27
Reporter cocaman
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
122
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-12 05:16:01 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
663bda7b869cefa47acc50bdba83a5fba3637ac2e26a113d3a6dff62595b7860
MD5 hash:
2365c3e08e266a0fc8f9d2ddb3b44ba2
SHA1 hash:
ecfe1b3c4d02caf6a862a16f96db153ad89a04c1
SH256 hash:
d4b005a462bbeaeb5122173cdc669c884cbaba6fe2a67063e4b1c37255beedb5
MD5 hash:
d58d37ecd0d0c794545d0b579b02dc02
SHA1 hash:
87ba0ea8c5684d2bf59726ca4f01106c3363afe3
Detections:
win_agent_tesla_w1
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
SH256 hash:
f7bc839db72d23449769013c53aef97e670a6205e59a6965c9df5662415095e3
MD5 hash:
b8e2a1aeb056533ba8d7e7faacf0eae4
SHA1 hash:
ea9359cfb302ac2b637656be7b83cf2f9fea2959
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:agent_tesla_2019
Author:jeFF0Falltrades
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 663bda7b869cefa47acc50bdba83a5fba3637ac2e26a113d3a6dff62595b7860

(this sample)

  
Delivery method
Other

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