MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d0d7da6edab70ca763cd813715907daeaafb8f0245a55cf4074446bb218dfd6f. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: d0d7da6edab70ca763cd813715907daeaafb8f0245a55cf4074446bb218dfd6f
SHA3-384 hash: b535a39112fad3b295dab9f069e1e748c234e29d7e196aa2dd4410574b8d37bbe4239f182b397e03f239d9751f87e16e
SHA1 hash: 2016b723cb428f747082c8ef6058f9217a0d02d1
MD5 hash: cec350665f8caddd2de63975bf5b63fd
humanhash: lake-foxtrot-mountain-magnesium
File name:Product Logo.jpg.jpg.jpg.jpg.scr
Download: download sample
Signature AgentTesla
File size:841'728 bytes
First seen:2020-08-12 16:36:02 UTC
Last seen:2020-08-12 17:33:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:c6kB03+h03+YLLkxjRIHSbQ/RMM8PHq5WzXpdgA0:c6k03+h03+AoxjREzRMMyTX0
Threatray 11'082 similar samples on MalwareBazaar
TLSH 6C05D02973959823E27A7A31C9A7551407BBBC533939C71A1ACD33CE9D313ED4E007AA
Reporter abuse_ch
Tags:AgentTesla scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.ricksaezp.com
Sending IP: 104.168.173.112
From: info@ricksaezp.com
Reply-To: info@ricksaezp.com
Subject: Ready now for the Business
Attachment: Logo_Invoice_Myself_pdf.zip (contains "Product Logo.jpg.jpg.jpg.jpg.scr")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: MSBuild connects to smtp port
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 264097 Sample: Product Logo.jpg.jpg.jpg.jpg.scr Startdate: 13/08/2020 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 Yara detected AgentTesla 2->33 35 8 other signatures 2->35 7 Product Logo.jpg.jpg.jpg.jpg.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Local\...\tmp193A.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\Roaming\CqJBpOOv.exe, PE32 7->23 dropped 37 Writes to foreign memory regions 7->37 39 Allocates memory in foreign processes 7->39 41 Injects a PE file into a foreign processes 7->41 11 MSBuild.exe 4 7->11         started        15 MSBuild.exe 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 25 smtp.yandex.ru 77.88.21.158, 49726, 587 YANDEXRU Russian Federation 11->25 27 smtp.yandex.com 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 53 2 other signatures 11->53 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 15->51 19 conhost.exe 17->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Status:
Malicious
First seen:
2020-08-12 15:43:46 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer evasion spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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:RSharedStrings
Author:Katie Kleemola
Description:identifiers for remote and gmremote
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 d0d7da6edab70ca763cd813715907daeaafb8f0245a55cf4074446bb218dfd6f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments