MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d3027dd8d1fd1dc823baace52ec28189ed1486065438d86c640199f4d98d3f79. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d3027dd8d1fd1dc823baace52ec28189ed1486065438d86c640199f4d98d3f79
SHA3-384 hash: d00ef45109c8570d75ca1a21752922fc82bf63fb8171026c43d12060e16b4acc0589b46bc16e11ed5017295070dd2b6f
SHA1 hash: 61c628013229878a8bbd3682489213e210f1ee7f
MD5 hash: 95446dc4233f4dbcfe3a714b94a16436
humanhash: mississippi-don-october-bravo
File name:Mediform SA Order 18_08_2020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:573'440 bytes
First seen:2020-08-19 12:49:13 UTC
Last seen:Never
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:wxVmAnrIo6o0w7ikO7tGZLDaT/lHZ3qiKiO7v8Hl:wxMerIo6pw7ifRGQT/K17v8Hl
Threatray 9'309 similar samples on MalwareBazaar
TLSH 98C4F2A360652368D47C78FD8111089346F79C6A9719F26A01F877BA15BF623CF3623E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: serve0.tacadenaplc.pw
Sending IP: 104.168.253.8
From: Mediform S.A<mediform.s.a@hotmail.com>
Subject: Re:Fw: Request For New Inquiry RFQ
Attachment: Mediform SA Order 18_08_2020.rar (contains "Mediform SA Order 18_08_2020.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/48515/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/437997
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 271494 Sample: Mediform SA  Order 18_08_2020.exe Startdate: 20/08/2020 Architecture: WINDOWS Score: 100 32 cdn.onenote.net 2->32 54 Found malware configuration 2->54 56 Yara detected AgentTesla 2->56 58 Yara detected AntiVM_3 2->58 60 5 other signatures 2->60 7 WDjekAj.exe 3 2->7         started        10 Mediform SA  Order 18_08_2020.exe 3 2->10         started        13 WDjekAj.exe 2 2->13         started        signatures3 process4 file5 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 64 Machine Learning detection for dropped file 7->64 66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->66 15 WDjekAj.exe 2 7->15         started        30 C:\...\Mediform SA  Order 18_08_2020.exe.log, ASCII 10->30 dropped 68 Injects a PE file into a foreign processes 10->68 19 Mediform SA  Order 18_08_2020.exe 2 5 10->19         started        22 Mediform SA  Order 18_08_2020.exe 10->22         started        24 WDjekAj.exe 13->24         started        signatures6 process7 dnsIp8 34 smtp.yandex.com 15->34 40 Tries to harvest and steal ftp login credentials 15->40 42 Tries to harvest and steal browser information (history, passwords, etc) 15->42 44 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->44 36 smtp.yandex.ru 77.88.21.158, 49742, 49745, 587 YANDEXRU Russian Federation 19->36 38 smtp.yandex.com 19->38 26 C:\Users\user\AppData\Roaming\...\WDjekAj.exe, PE32 19->26 dropped 28 C:\Users\user\...\WDjekAj.exe:Zone.Identifier, ASCII 19->28 dropped 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->46 48 Moves itself to temp directory 19->48 50 Tries to steal Mail credentials (via file access) 19->50 52 Installs a global keyboard hook 19->52 file9 signatures10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d3027dd8d1fd1dc823baace52ec28189ed1486065438d86c640199f4d98d3f79/
Threat name:
ByteCode-MSIL.Ransomware.TeslaCrypt
Create hunting rule
Status:
Malicious
First seen:
2020-08-19 12:51:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2mbh3wgr7uo4qi52vtss5qubrhwrjbqgkq4nq3deagm7jwmnh54q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'299 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200819-agnqbksbqa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d3027dd8d1fd1dc823baace52ec28189ed1486065438d86c640199f4d98d3f79

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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

rar 8a1e3c7973d91fb9eb2aeec9cba6cb6950a331c2714e5e10d0b9bd1a06aef177

AgentTesla

Executable exe d3027dd8d1fd1dc823baace52ec28189ed1486065438d86c640199f4d98d3f79

(this sample)

  
Dropped by
MD5 a8f658f8b10478206ac20bce1c3afdcc
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8a1e3c7973d91fb9eb2aeec9cba6cb6950a331c2714e5e10d0b9bd1a06aef177
Cape
Cape
https://www.capesandbox.com/analysis/48515/

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