MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4e9eb2749042ee265fcf74e8f689f983ef2ca68bb11ed9c52e3c56d86eeecc4. 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: c4e9eb2749042ee265fcf74e8f689f983ef2ca68bb11ed9c52e3c56d86eeecc4
SHA3-384 hash: c2711be208300107a1d29ecca1c0334eebe8022b603191c537617edd5ccda8b317a37e1d3280a6185730db0d0a7d8025
SHA1 hash: c4ad58e6b36f25142bca43294d582a432badeb25
MD5 hash: 40e35624f48953c7b646686266accdfc
humanhash: hydrogen-saturn-quebec-happy
File name:eInvoicing_pdf.exe
Download: download sample
Signature AgentTesla
File size:972'288 bytes
First seen:2020-07-30 15:34:32 UTC
Last seen:2020-07-30 16:37:15 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 24576:dDx9xVVliePji4unt/Fmqdsa7x+7Ra3VjW:z9xJjitnrmqdR4Vb
Threatray 10'617 similar samples on MalwareBazaar
TLSH 7B258D44F640985AF5378B799170C830B7A5ADD64EF7EF8A34C03B6B39F6293582142E
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 254278 Sample: eInvoicing_pdf.exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 45 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->45 47 Found malware configuration 2->47 49 Yara detected AgentTesla 2->49 51 4 other signatures 2->51 6 eInvoicing_pdf.exe 1 2->6         started        10 TpbbP.exe 2->10         started        12 TpbbP.exe 1 2->12         started        process3 file4 25 C:\Users\user\...\eInvoicing_pdf.exe.log, ASCII 6->25 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->55 57 Injects a PE file into a foreign processes 6->57 14 eInvoicing_pdf.exe 2 5 6->14         started        19 TpbbP.exe 2 10->19         started        21 TpbbP.exe 10->21         started        59 Machine Learning detection for dropped file 12->59 23 TpbbP.exe 2 12->23         started        signatures5 process6 dnsIp7 31 mail.apsbatam.com 118.98.75.88, 49739, 49740, 587 TELKOMNET-AS-APPTTelekomunikasiIndonesiaID Indonesia 14->31 27 C:\Users\user\AppData\Roaming\...\TpbbP.exe, PE32 14->27 dropped 29 C:\Users\user\...\TpbbP.exe:Zone.Identifier, ASCII 14->29 dropped 33 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->33 35 Installs a global keyboard hook 14->35 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->37 39 Tries to steal Mail credentials (via file access) 19->39 41 Tries to harvest and steal ftp login credentials 19->41 43 Tries to harvest and steal browser information (history, passwords, etc) 19->43 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-30 15:33:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla persistence
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
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
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.

  
Delivery method
Other

Comments