MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 082c20b7ce84dae638bcaecef84a954adf251ddf11fb2038ea3ad95e48c3d7ba. 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: 082c20b7ce84dae638bcaecef84a954adf251ddf11fb2038ea3ad95e48c3d7ba
SHA3-384 hash: a7eb7945263f9c25e6ec6a6b1725ca075899154d52a174e16e1c6dab8dc55fed964fb045ef3c5a61153ba562a6f93c4d
SHA1 hash: 00e87da3ca6db8081a990dfc9399c3e1cccad1f7
MD5 hash: e297ed4f34a454ff83d9d8b165fe25e3
humanhash: sierra-michigan-skylark-pluto
File name:ENQUIRY.exe
Download: download sample
Signature AgentTesla
File size:669'696 bytes
First seen:2020-09-14 15:36:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:FHA2iN8v2zv1gako+8/yA6d6UTjYDmvUHO0DJQGmNtl9a65StiIAUTX9fPI:Fg1l2ako+8KA6d64YqviOTljkpTXZP
Threatray 9'531 similar samples on MalwareBazaar
TLSH 3BE42262F1C6DF2CF5BE57F95811423213F9D1BA9B02DB2C9DE831BE9A216618341383
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
91
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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: 285197 Sample: ENQUIRY.exe Startdate: 14/09/2020 Architecture: WINDOWS Score: 100 70 Found malware configuration 2->70 72 Antivirus detection for dropped file 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 10 other signatures 2->76 7 ENQUIRY.exe 7 2->7         started        11 zvVbs.exe 5 2->11         started        13 zvVbs.exe 2->13         started        process3 file4 40 C:\Users\user\AppData\...\QiRXnwPvZtdC.exe, PE32 7->40 dropped 42 C:\Users\...\QiRXnwPvZtdC.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp9697.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...NQUIRY.exe.log, ASCII 7->46 dropped 78 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->80 82 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->82 15 ENQUIRY.exe 2 7 7->15         started        20 schtasks.exe 1 7->20         started        84 Antivirus detection for dropped file 11->84 86 Multi AV Scanner detection for dropped file 11->86 88 Machine Learning detection for dropped file 11->88 90 Found evasive API chain (trying to detect sleep duration tampering with parallel thread) 11->90 22 zvVbs.exe 4 11->22         started        24 schtasks.exe 1 11->24         started        92 Injects a PE file into a foreign processes 13->92 26 zvVbs.exe 13->26         started        28 schtasks.exe 13->28         started        signatures5 process6 dnsIp7 48 anartem.pt 188.93.230.198, 49722, 49729, 49735 CLARANET-ASClaraNETLTDGB Portugal 15->48 50 mail.anartem.pt 15->50 36 C:\Users\user\AppData\Roaming\...\zvVbs.exe, PE32 15->36 dropped 38 C:\Users\user\...\zvVbs.exe:Zone.Identifier, ASCII 15->38 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to steal Mail credentials (via file access) 15->60 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->62 30 conhost.exe 20->30         started        52 mail.anartem.pt 22->52 54 192.168.2.1 unknown unknown 22->54 32 conhost.exe 24->32         started        56 mail.anartem.pt 26->56 64 Tries to harvest and steal ftp login credentials 26->64 66 Tries to harvest and steal browser information (history, passwords, etc) 26->66 68 Installs a global keyboard hook 26->68 34 conhost.exe 28->34         started        file8 signatures9 process10
Threat name:
ByteCode-MSIL.Infostealer.Agensla
Status:
Malicious
First seen:
2020-09-14 08:02:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion spyware trojan family:agenttesla persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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

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