MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9657a04c19fc283a0f4b0af04d79c1241fef489ef422c13b4d4b21e1ebc09e58. 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 4 File information Comments

SHA256 hash: 9657a04c19fc283a0f4b0af04d79c1241fef489ef422c13b4d4b21e1ebc09e58
SHA3-384 hash: 5eade7e2d9c296a42a75257d48bdad97df0543a5c948daea3cab92ddfac1c843dad68b7f5c447b88642f3c95c100e8e8
SHA1 hash: db0997fea270d689550d5e579a10e3bee6f80f67
MD5 hash: dbfb10b983ee143568d73335462c9537
humanhash: ten-kansas-artist-comet
File name:scan_00528PO2.pdf.exe
Download: download sample
Signature AgentTesla
File size:685'568 bytes
First seen:2020-07-16 19:19:54 UTC
Last seen:2020-07-16 20:13:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:23bFr2k4zUqmr0oWyKRQMT/1wN2AWF+TbJoa2/ilJP7r9r/+pppppppppppppppX:25Ymr0xyx+1wNukVPEC1q
Threatray 10'609 similar samples on MalwareBazaar
TLSH 7AE46BC8E99461A0DD5CAF715A36CD3442237EADF8F4A41C27DD7E2B3BBB292E015412
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: bizsmtp.net4india.com
Sending IP: 113.30.139.36
From: "Számlázási cím" <ritesh@vinirforge.com>
Subject: Chinoin ZRT Purchase Order #E002732667
Attachment: scan_00528PO1.pdf.z (contains "scan_00528PO2.pdf.exe")

AgentTesla SMTP exfil server:
mail.zasapparels.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to register a low level keyboard hook
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Multi AV Scanner detection for dropped file
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: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-16 19:21:06 UTC
AV detection:
23 of 28 (82.14%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
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
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
Rule name:win_cannon_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Malspam

AgentTesla

Executable exe 9657a04c19fc283a0f4b0af04d79c1241fef489ef422c13b4d4b21e1ebc09e58

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments