MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3da8fe1015271b37d118f7e35569efabc9565031c4b23e0f7e6cc5319ffb2087. 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


Intelligence File information Yara 3 Comments

SHA256 hash: 3da8fe1015271b37d118f7e35569efabc9565031c4b23e0f7e6cc5319ffb2087
SHA3-384 hash: 3f7add6006d4fb9ec6f7a6f8da183ea73aecfc96130f9395c79ff445f2855f1e27e9cdca9dc8c744a66cac67fe5af59c
SHA1 hash: 46634b02970ee3b2691c2c77cbd5b166e3c423ef
MD5 hash: dea8833080c88a64a95c32da75770f3f
humanhash: ink-orange-river-charlie
File name:URGENT QUOTATION.exe
Download: download sample
Signature AgentTesla
File size:520'192 bytes
First seen:2020-07-31 11:06:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:DI9jr2gQNf081fjO50Ch3FqePApnGP1x3yUFvlImu2Mhu:DI9jr2gQZNKnFqeYMjCUFvl62
TLSH 6AB4DF9DF0EA251BF41532BF9FF8829BCEAAF56F0242416B16741587817874C2EC1E72
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: jpgroup.gr
Sending IP: 95.211.253.201
From: "Marios Patsalides" <mpatsalides@jpgroup.gr>
Subject: URGENT REQUEST FOR QUOTATION
Attachment: URGENT QUOTATION.rar (contains "URGENT QUOTATION.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
US US
Mail intelligence
Geo location:
IT Italy
Volume:
Low
Geo location:
Global
Volume:
Low
Geo location:
NL Netherlands
Volume:
Low
Vendor Threat Intelligence
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
96 / 100
Signature
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
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:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-31 08:34:00 UTC
AV detection:
23 of 31 (74.19%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Threat name:
Kryptik
Score:
1.00

Yara Signatures


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.

Malspam

AgentTesla

Executable exe 3da8fe1015271b37d118f7e35569efabc9565031c4b23e0f7e6cc5319ffb2087

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments