MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d1d753678c6c2a9e8957c508adc44ccd35c79592a826e973528ec146f33d558c. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: d1d753678c6c2a9e8957c508adc44ccd35c79592a826e973528ec146f33d558c
SHA3-384 hash: 432896ab2bd3658108e5b8eeb820457dde1b0771bac8846773ddbadda5447031c21607f8f84c738eb3037c9a00d81ea0
SHA1 hash: 1c4cb20d2b05a2c203fab64c19cf378027838b0f
MD5 hash: 9cff3778f99b63ede173ec1a3c416d53
humanhash: iowa-xray-triple-four
File name:DRAWING . R PDSK20204247.exe
Download: download sample
Signature AgentTesla
File size:748'032 bytes
First seen:2020-08-03 13:00:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:R8vAIrU2fnLRbNheUwKE61CpCViA9GNz/IrtYdJyslA:ivjY2LRbr3cMGNErtYHy
Threatray 10'882 similar samples on MalwareBazaar
TLSH EEF4CE2C3BE0856AF99A1FBA5C7651029D34E80B6D27F38F25F1126C487B39C6C51F62
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: heisco.com
Sending IP: 95.211.208.58
From: Sathishkumar Rajenthiran <sathiskumar_rajenthiran@heisco.com>
Reply-To: sathiskumar_rajenthiran@heisco.com
Subject: URGENT REQUEST (RFQ) / PDSK/2020/4247
Attachment: DRAWING . R PDSK20204247.rar (contains "DRAWING . R PDSK20204247.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
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)
Sigma detected: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256195 Sample: DRAWING . R PDSK20204247.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 44 Found malware configuration 2->44 46 Sigma detected: Capture Wi-Fi password 2->46 48 Yara detected AgentTesla 2->48 50 5 other signatures 2->50 8 DRAWING . R PDSK20204247.exe 3 2->8         started        11 LKUgjc.exe 2 2->11         started        13 LKUgjc.exe 1 2->13         started        process3 file4 30 C:\Users\...\DRAWING . R PDSK20204247.exe.log, ASCII 8->30 dropped 15 RegSvcs.exe 2 4 8->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        process5 dnsIp6 32 smtp.yandex.ru 77.88.21.158, 49733, 587 YANDEXRU Russian Federation 15->32 34 smtp.yandex.com 15->34 28 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 15->28 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->38 40 Tries to steal Mail credentials (via file access) 15->40 42 5 other signatures 15->42 24 netsh.exe 3 15->24         started        file7 signatures8 process9 process10 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-03 13:01:09 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
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 d1d753678c6c2a9e8957c508adc44ccd35c79592a826e973528ec146f33d558c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments