MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ae68d2c88df4061559e363819ef80cc2e3edc851fa74c5712a342ff99d06da7. 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: 4ae68d2c88df4061559e363819ef80cc2e3edc851fa74c5712a342ff99d06da7
SHA3-384 hash: 147ffa88377f26ce0474683e1a5b72a3f87421618400924f9c930d1fe5389c52fb707821400f8794c34ff624d472df27
SHA1 hash: 3f3f4aef2d710b5cc4f7f4a40444b99d0571873e
MD5 hash: 62ac8026221e4f4c3708d7ec7126160f
humanhash: lithium-magazine-vegan-mobile
File name:Q3364290.exe
Download: download sample
Signature AgentTesla
File size:447'488 bytes
First seen:2020-08-05 09:31:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:AeAhh9syItX0cek4NICMO2YIL1okecdytCfc8:AeAhvItkc14WCMObI2rqyv
Threatray 10'614 similar samples on MalwareBazaar
TLSH F594F00C3A85994EF1BA4E3FAC300183DE22F45FDA22D64B5AB5117A457E69CEC61F70
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gokduman.com.tr
Sending IP: 95.211.208.41
From: Vinod kumar<gokduman@gokduman.com.tr>
Subject: RFQ-- ENQUIRY - BMR Trading Ltd
Attachment: Q3364290.iso (contains "Q3364290.exe")

AgentTesla SMTP exfil server:
smtp.ociii.net:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257766 Sample: Q3364290.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 6 other signatures 2->37 7 Q3364290.exe 5 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming19ATkbj.exe, PE32 7->19 dropped 21 C:\Users\user\...21ATkbj.exe:Zone.Identifier, ASCII 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp758A.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\Q3364290.exe.log, ASCII 7->25 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 11 Q3364290.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 27 smtp.ociii.net 11->27 29 us2.smtp.mailhostbox.com 208.91.199.224, 49754, 587 PUBLIC-DOMAIN-REGISTRYUS United States 11->29 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 Tries to harvest and steal browser information (history, passwords, etc) 11->51 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.FormBook
Status:
Malicious
First seen:
2020-08-05 07:59:32 UTC
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
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 4ae68d2c88df4061559e363819ef80cc2e3edc851fa74c5712a342ff99d06da7

(this sample)

  
Delivery method
Distributed via e-mail attachment

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