MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4068e7b8c7f96ec112ab6d4a5a03ec0c994e119b7ab2b34534a1c9e3f3320e06. 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: 4068e7b8c7f96ec112ab6d4a5a03ec0c994e119b7ab2b34534a1c9e3f3320e06
SHA3-384 hash: b00547c10790206981cb190e7df831c3a93c814ac0adf3fe90a621e98f72653d429c4fadf5703339bea598f42dd9106e
SHA1 hash: c8b385909e7b6282778d047ab505bfc1652ab587
MD5 hash: f73cc95aa9983147285e0bf6e9b429f7
humanhash: undress-coffee-india-lamp
File name:INVOICE.exe
Download: download sample
Signature AgentTesla
File size:610'816 bytes
First seen:2020-09-14 13:49:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:eRVZCZMjOLtzKe28lVgU54qBq5ARDHVt9W/iBUPo4F3prANd:eR4MKLdvjP7Ak1yaBUjFNAD
Threatray 9'396 similar samples on MalwareBazaar
TLSH 13D42354A7BEA759FAFD17B1A46C71026374F71341E2E30AADCD20D838F2B544A809B7
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
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)
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 dnsIp2 2 Behavior Graph ID: 285118 Sample: INVOICE.exe Startdate: 14/09/2020 Architecture: WINDOWS Score: 100 51 mail.grandtours.gr 2->51 63 Found malware configuration 2->63 65 Multi AV Scanner detection for dropped file 2->65 67 Sigma detected: Scheduled temp file as task from temp location 2->67 69 9 other signatures 2->69 8 INVOICE.exe 6 2->8         started        12 xxspw.exe 5 2->12         started        14 xxspw.exe 4 2->14         started        signatures3 process4 file5 43 C:\Users\user\AppData\Roaming\XtIEUe.exe, PE32 8->43 dropped 45 C:\Users\user\AppData\Local\...\tmp9CA1.tmp, XML 8->45 dropped 47 C:\Users\user\AppData\...\INVOICE.exe.log, ASCII 8->47 dropped 71 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->71 73 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->73 75 Injects a PE file into a foreign processes 8->75 16 INVOICE.exe 2 5 8->16         started        21 schtasks.exe 1 8->21         started        77 Multi AV Scanner detection for dropped file 12->77 79 Machine Learning detection for dropped file 12->79 81 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 12->81 23 schtasks.exe 12->23         started        25 xxspw.exe 12->25         started        27 xxspw.exe 14->27         started        29 schtasks.exe 14->29         started        31 xxspw.exe 14->31         started        signatures6 process7 dnsIp8 49 mail.grandtours.gr 95.216.7.161, 49729, 49742, 587 HETZNER-ASDE Germany 16->49 39 C:\Users\user\AppData\Roaming\...\xxspw.exe, PE32 16->39 dropped 41 C:\Users\user\...\xxspw.exe:Zone.Identifier, ASCII 16->41 dropped 53 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->53 55 Tries to steal Mail credentials (via file access) 16->55 57 Tries to harvest and steal ftp login credentials 16->57 59 Tries to harvest and steal browser information (history, passwords, etc) 16->59 33 conhost.exe 21->33         started        35 conhost.exe 23->35         started        61 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->61 37 conhost.exe 29->37         started        file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2020-09-13 18:26:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
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 persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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

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