MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24e82b6d52501a968a09b294dff28bca82368e5974bdeca97cef781a111ff3c8. 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 3 File information Comments

SHA256 hash: 24e82b6d52501a968a09b294dff28bca82368e5974bdeca97cef781a111ff3c8
SHA3-384 hash: 6ba4106d10d8d8ffc83d64f56e2b6e4ee05c4354ef5223ec119798ae78e1ce826f82ddb0d86ee135490c64dbce2dac3d
SHA1 hash: 60e2504bc86994563698d1ed3ccd606e11bd1728
MD5 hash: 0dc2167ce5a7208cec727c0c9b1424e7
humanhash: alpha-sixteen-violet-shade
File name:PO_NOSB200619pdf.exe
Download: download sample
Signature AgentTesla
File size:527'872 bytes
First seen:2020-08-03 07:43:24 UTC
Last seen:2020-08-03 08:39:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:uiU6u5DTfPiWW/VQuKXvO50XagbVDiPhIW6NtfALBY1IyR0QB+:uiU6u5DLzECPO50XMPejtfAL61L
Threatray 10'684 similar samples on MalwareBazaar
TLSH 98B4D05CB0EA541AF15131BF8FF9C29BCEA6E02F1692865B027425D7803DB5D2EC1E72
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: secure.creativeoptions.eu
Sending IP: 199.250.223.53
From: Zhang Wei <i.pentsoudis@airmaritime.gr>
Subject: test
Attachment: PO_NOSB200619.pdf.arj (contains "PO_NOSB200619pdf.exe")

AgentTesla SMTP exfil server:
secure231.servconfig.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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
Sigma detected: Scheduled temp file as task from temp location
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256109 Sample: PO_NOSB200619pdf.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 36 Found malware configuration 2->36 38 Sigma detected: Capture Wi-Fi password 2->38 40 Sigma detected: Scheduled temp file as task from temp location 2->40 42 9 other signatures 2->42 8 PO_NOSB200619pdf.exe 7 2->8         started        process3 file4 24 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->24 dropped 26 C:\Users\user\AppData\Local\...\tmpFB7E.tmp, XML 8->26 dropped 28 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->28 dropped 30 C:\Users\user\...\PO_NOSB200619pdf.exe.log, ASCII 8->30 dropped 44 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->44 46 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->46 48 Injects a PE file into a foreign processes 8->48 12 PO_NOSB200619pdf.exe 3 8->12         started        16 schtasks.exe 1 8->16         started        signatures5 process6 dnsIp7 32 secure231.servconfig.com 198.46.81.61, 49729, 587 INMOTI-1US United States 12->32 34 192.168.2.1 unknown unknown 12->34 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->50 52 Tries to steal Mail credentials (via file access) 12->52 54 Tries to harvest and steal ftp login credentials 12->54 56 2 other signatures 12->56 18 netsh.exe 3 12->18         started        20 conhost.exe 16->20         started        signatures8 process9 process10 22 conhost.exe 18->22         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-03 07:45:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP 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 24e82b6d52501a968a09b294dff28bca82368e5974bdeca97cef781a111ff3c8

(this sample)

  
Delivery method
Distributed via e-mail attachment

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