MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a116408d80687d8690b36b9b47833c28536a57e7689d0d79d2050cf9a41d989e. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: a116408d80687d8690b36b9b47833c28536a57e7689d0d79d2050cf9a41d989e
SHA3-384 hash: 6d0b4c353d954f207a0fd0605a2917df702057c95b9e42860435dba26288b6f09010c470f57b03afe786aebaeefb6751
SHA1 hash: a781488314d23f67ee0f02151ce9b725d2b27f83
MD5 hash: 6069d333f9a52a258569df78f9372d3a
humanhash: jersey-alaska-arizona-nitrogen
File name:inquiry.exe
Download: download sample
Signature AgentTesla
File size:732'672 bytes
First seen:2020-07-28 13:09:48 UTC
Last seen:2020-07-28 14:23:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 20e6d5abed83baa72fa27d4f775f9f3c (7 x AgentTesla, 5 x MassLogger, 1 x QuasarRAT)
ssdeep 12288:tH8TTCvLmK25X5CK7jQMuG6sh8ktgNYoVNXkZ0svl8Ssbx9owVShvCN:FcojK7LuBl6gNYoVVU56Sszowr
Threatray 11'435 similar samples on MalwareBazaar
TLSH 63F4AF66F6E04833D1673A3C9F1B57689C39BE002A2879466FE51C7C5F3938334692A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: win2.nictr.com
Sending IP: 213.238.169.30
From: info <info@gokkusagimobilya.com>
Subject: FW: new inquiry
Attachment: inquiry.gz (contains "inquiry.exe")

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

Intelligence


File Origin
# of uploads :
3
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
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.DataStealer
Status:
Malicious
First seen:
2020-07-28 13:11:07 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
UPX packed file
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.

Malspam

AgentTesla

Executable exe a116408d80687d8690b36b9b47833c28536a57e7689d0d79d2050cf9a41d989e

(this sample)

  
Delivery method
Distributed via e-mail attachment

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