MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 241e1a8dfb8e9fa46e86da847c315e40bcb32952f0ffea5e27cb8390d367c4db. 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: 241e1a8dfb8e9fa46e86da847c315e40bcb32952f0ffea5e27cb8390d367c4db
SHA3-384 hash: 88d536da679bdb9cefe1fde5d4f023ef51c36689d6510d3d273dad572e8c81c8496f9056e3554ca63c609c3eedc42e52
SHA1 hash: 5e3ccdf314624a877ebee5a3636b1e4883d023f7
MD5 hash: 443b398450d68cf4733ec4bf47a541a9
humanhash: twenty-uncle-south-glucose
File name:krs.exe
Download: download sample
Signature AgentTesla
File size:923'648 bytes
First seen:2020-09-10 14:19:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0a51d3dbff2755c7c37ce35e5920f020 (15 x AgentTesla, 8 x MassLogger, 6 x Loki)
ssdeep 12288:uc8JhscTlxKwOUBMwW+c4eJsmYxBs4fCPMd4W+sjRxq3+RhuA6PuCp167C:sLJlxKfwvmygMd0wRxqzBD
TLSH BC15BF22E2E0C837C1BF1A3C5D1B937C9C3ABDD1296859466BE4DC0C9F3A6513939297
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Sending a UDP request
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
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)
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
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.DelfInject
Status:
Malicious
First seen:
2020-09-10 14:19:11 UTC
File Type:
PE (Exe)
Extracted files:
39
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
UPX packed file
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