MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7462afbe83515ab5553b43bac8010a45b1733cf2175fb6646732efacd6cfce1e. 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: 7462afbe83515ab5553b43bac8010a45b1733cf2175fb6646732efacd6cfce1e
SHA3-384 hash: 229e49dd51688980275d0aae4190020b2b7d6c966074cb63789aabd1e6a1ae879c586330c590407da05efed10592d7bb
SHA1 hash: 24be70ecd72cf1d77e47d9bbf9c6b9a854b4e083
MD5 hash: fa8b102d771f36e40a7dbf17dcd86e5c
humanhash: edward-bakerloo-music-three
File name:LcZeIS4r57gqaxc.exe
Download: download sample
Signature AgentTesla
File size:707'584 bytes
First seen:2020-08-06 13:28:52 UTC
Last seen:2020-08-07 12:14:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:tP3SNtdEivYt6uV02sjEFPcpKmK3oTsDxC5mwm0FEEz+V/1BdoegrpiAaBpN86HU:sAivE62swFkpRfTsWDzQAkN86HG
Threatray 10'727 similar samples on MalwareBazaar
TLSH 7CE48CF3254C57F5EBE826B5A14A2D461363BDEDA6F0D20649EF74BFE03134280E4266
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
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
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: 259415 Sample: LcZeIS4r57gqaxc.exe Startdate: 07/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Yara detected AgentTesla 2->37 39 6 other signatures 2->39 7 LcZeIS4r57gqaxc.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\...\RaEOHjZHSePXB.exe, PE32 7->21 dropped 23 C:\...\RaEOHjZHSePXB.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmp8338.tmp, XML 7->25 dropped 27 C:\Users\user\...\LcZeIS4r57gqaxc.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 11 LcZeIS4r57gqaxc.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 LcZeIS4r57gqaxc.exe 7->17         started        signatures5 process6 dnsIp7 29 mail.privateemail.com 198.54.122.60, 49729, 587 NAMECHEAP-NETUS United States 11->29 31 192.168.2.1 unknown unknown 11->31 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 2 other signatures 11->51 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-06 09:26:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
24
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
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.

Comments