MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c435092d73705fae5c2581c79fe61ad379e7e001250196d3083fd33b031a303. 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 2 File information Comments

SHA256 hash: 3c435092d73705fae5c2581c79fe61ad379e7e001250196d3083fd33b031a303
SHA3-384 hash: 222d514272a06233af4c561552a1022150e0764bf92acd41028a202990c1ff4afe4c877e55fbfec92b1f5d74f8593e1b
SHA1 hash: d892a504f36c333efe8183ab0e0f471a8a9819b2
MD5 hash: 9e7f402e8900e0d634f90305d8f68b9d
humanhash: ohio-cola-triple-helium
File name:vbc.exe
Download: download sample
Signature AgentTesla
File size:588'288 bytes
First seen:2020-10-27 13:29:44 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:QdUnLLQm/PveQ6vwoND9+/91V6Ppm+Pa5yzm75/+LU1JC3Hx:QIL0dvwoNh0910Na5y675/+ISHx
Threatray 812 similar samples on MalwareBazaar
TLSH 30C4234C83969E11CE7E4BF459B020049BBC7C57AD3AEAED5740A8D4B3973614980BFB
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
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.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Machine Learning detection for sample
Maps a DLL or memory area into another process
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: RegAsm connects to smtp port
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 305977 Sample: vbc.exe Startdate: 27/10/2020 Architecture: WINDOWS Score: 100 31 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->31 33 Found malware configuration 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 3 other signatures 2->37 7 vbc.exe 1 2->7         started        process3 signatures4 39 Writes to foreign memory regions 7->39 41 Maps a DLL or memory area into another process 7->41 10 vbc.exe 7->10         started        13 RegAsm.exe 2 7->13         started        process5 signatures6 43 Writes to foreign memory regions 10->43 45 Maps a DLL or memory area into another process 10->45 15 RegAsm.exe 2 10->15         started        47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 13->49 process7 dnsIp8 19 us2.smtp.mailhostbox.com 208.91.199.224, 49759, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->19 21 smtp.epazote-lu.com 15->21 23 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->23 25 Tries to steal Mail credentials (via file access) 15->25 27 Tries to harvest and steal ftp login credentials 15->27 29 Tries to harvest and steal browser information (history, passwords, etc) 15->29 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-10-27 13:29:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Uses the VBS compiler for execution
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

Comments