MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f94a22459281f588230523a1ec32e45ef392d1e202a3e70f0606f66a44ea982. 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: 2f94a22459281f588230523a1ec32e45ef392d1e202a3e70f0606f66a44ea982
SHA3-384 hash: a26173cb7687b8af9944aa140dfea5fabc9bbcd1e1738428be62a053053263227415e18538ed4e42b623e7b5919b656d
SHA1 hash: 267eeb1e36466bc3a5dbe6c699495543567077cc
MD5 hash: 7cecd11b35bf3d543e5430d11faa8bde
humanhash: asparagus-juliet-october-hamper
File name:34433453-WONDN5-FTBO-9766464.exe
Download: download sample
Signature AgentTesla
File size:795'136 bytes
First seen:2020-07-31 09:53:17 UTC
Last seen:2020-07-31 11:09:05 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 12288:ZCMYimIUtQ9G2QNBM0KvP1Zb6CjCiwUuPx1v2jOGuT+kzxl4rXhlnmVv1z:vwNe9bQNSfH3jhOx18aPO
TLSH 1605C0047B90E55EC66F8F7AC6D44800E9B8F5DA4A17E38B74C273EF29CE39A9901171
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.sinioraefood.com
Sending IP: 104.168.234.182
From: Sergio Rubio <sergio@climatecfs.es>
Subject: RE:REQUEST FOR QUOTATION
Attachment: 34433453-WONDN5-FTBO-9766464.GZ (contains "34433453-WONDN5-FTBO-9766464.exe")

AgentTesla SMTP exfil server:
smtp.ionos.es:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
35
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
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 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.Kryptik
Status:
Malicious
First seen:
2020-07-31 09:55:06 UTC
AV detection:
19 of 31 (61.29%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla Payload
AgentTesla
Threat name:
AgentTesla
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 2f94a22459281f588230523a1ec32e45ef392d1e202a3e70f0606f66a44ea982

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments