MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2cbded6f889f93a08c2889a5c93385b3b58a569169c17cf08fc667fa8869021. 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: e2cbded6f889f93a08c2889a5c93385b3b58a569169c17cf08fc667fa8869021
SHA3-384 hash: f5d3210968e876050ab9eaddfadc3f3f817226386600a28440323c5f748618bf60666553ed67b845aef253846820e491
SHA1 hash: 71558fed91f3352d261b07b9985358ebc58e5756
MD5 hash: baab32134f7437976951e908d5b70f6a
humanhash: moon-lactose-yellow-king
File name:invoice.exe
Download: download sample
Signature AgentTesla
File size:734'720 bytes
First seen:2020-08-12 13:12:58 UTC
Last seen:2020-08-15 00:30:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:4jF+j4VBbMMfs6k7ddJ1VucSeXItgLTFjiRjuaf2DK:4jIYnk6k7jJ1VTSeXIeLhGRid
Threatray 10'650 similar samples on MalwareBazaar
TLSH D7F47BF0E264964CDD7806F8373B5F886F682C229A65CFCC2B45F9D65B32A22350F552
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
5
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.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
Machine Learning detection for sample
Modifies the hosts 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)
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: 263757 Sample: invoice.exe Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Found malware configuration 2->48 50 Yara detected AgentTesla 2->50 52 4 other signatures 2->52 8 invoice.exe 3 2->8         started        11 sRfDVrD.exe 2 2->11         started        13 sRfDVrD.exe 1 2->13         started        process3 file4 32 C:\Users\user\AppData\...\invoice.exe.log, ASCII 8->32 dropped 15 RegSvcs.exe 2 4 8->15         started        20 conhost.exe 11->20         started        22 conhost.exe 13->22         started        process5 dnsIp6 34 mail.tiig-eg.com 160.153.128.39, 49743, 587 GODADDY-AMSDE United States 15->34 36 192.168.2.1 unknown unknown 15->36 28 C:\Users\user\AppData\Roaming\...\sRfDVrD.exe, PE32 15->28 dropped 30 C:\Windows\System32\drivers\etc\hosts, ASCII 15->30 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->40 42 Tries to steal Mail credentials (via file access) 15->42 44 5 other signatures 15->44 24 reg.exe 1 15->24         started        file7 signatures8 process9 process10 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-12 06:33:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
20
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Modifies registry key
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
Drops file in Drivers directory
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