MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebd23b0402ce1f9f8d45a37ec77fc89381869a3399aa2d405830e7eb05299ad3. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ebd23b0402ce1f9f8d45a37ec77fc89381869a3399aa2d405830e7eb05299ad3
SHA3-384 hash: 8894070ab43377b3d40f6ddd8723e9ff40692a0597365f3e7fb59aabd6d7733d2354c264ebab927ca7431fb5edb47f13
SHA1 hash: 353fbca6bdfc2969ae10b4c2c8d45959074c9679
MD5 hash: fae9357d084f85ea0605de88822b7b79
humanhash: florida-winner-virginia-alabama
File name:gunzipped
Download: download sample
Signature AgentTesla
Create hunting rule
File size:840'704 bytes
First seen:2020-07-21 07:13:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:nuDxOPW5eKfZtUGvgezv82ErFFjx1hn6FIrEloD:4xOWfZtR4ejKrFFp6FIrso
Threatray 10'700 similar samples on MalwareBazaar
TLSH 3D05F0C8AAA05404C6ED2FB95E66CA754330BD09F5F2D30F1BD0A99B3D3A793D854362
Reporter abuse_ch
Tags:AgentTesla


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail0.714.gillonuminno.ml
Sending IP: 164.90.210.221
From: Sahid <sort@714.gillonuminno.ml>
Reply-To: brittonchim@daum.net
Subject: Offer / Quote Request
Attachment: Specification QT048585.gz (contains "gunzipped")

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

AgentTesla SMTP exfil email address:
saratc@fourzoneme.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/29772/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.52265.11427.5995.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Stealing user critical data
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392661
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248552 Sample: gunzipped Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 Sigma detected: Scheduled temp file as task from temp location 2->60 62 5 other signatures 2->62 7 gunzipped.exe 5 2->7         started        11 Net.exe 1 2->11         started        13 Net.exe 2->13         started        process3 file4 32 C:\Users\user\AppData\...\zObzoxhpDVeRp.exe, PE32 7->32 dropped 34 C:\...\zObzoxhpDVeRp.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp605D.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\...\gunzipped.exe.log, ASCII 7->38 dropped 64 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->64 66 Contains functionality to register a low level keyboard hook 7->66 15 gunzipped.exe 1 5 7->15         started        20 schtasks.exe 1 7->20         started        68 Multi AV Scanner detection for dropped file 11->68 70 Machine Learning detection for dropped file 11->70 72 Injects a PE file into a foreign processes 11->72 22 Net.exe 2 11->22         started        24 Net.exe 2 13->24         started        signatures5 process6 dnsIp7 40 smtp.verio.com 66.96.146.128, 49719, 49720, 49721 BIZLAND-SDUS United States 15->40 28 C:\Users\user\AppData\Roaming28et28et.exe, PE32 15->28 dropped 30 C:\Users\user\...30et.exe:Zone.Identifier, ASCII 15->30 dropped 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->42 44 Moves itself to temp directory 15->44 46 Tries to steal Mail credentials (via file access) 15->46 26 conhost.exe 20->26         started        48 Installs a global keyboard hook 22->48 50 Tries to harvest and steal ftp login credentials 24->50 52 Tries to harvest and steal browser information (history, passwords, etc) 24->52 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->54 file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ebd23b0402ce1f9f8d45a37ec77fc89381869a3399aa2d405830e7eb05299ad3/
Threat name:
ByteCode-MSIL.Trojan.Masslogger
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 00:11:30 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5pjdwbaczypz7dkfun7mo76isoayngrttgvc2qcygdt6wbjjtljq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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eb819cbe9bdf4896c0fa47690385024653e2d37f49b3b8f403078083421ef0a2
AgentTesla
+ 10'690 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200721-7jkee2ntkn/
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ebd23b0402ce1f9f8d45a37ec77fc89381869a3399aa2d405830e7eb05299ad3

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

gz 4776841b763c714f81df4766c4fa0d5a182d4468362beee6f4bc83eb61d3ceeb

AgentTesla

Executable exe ebd23b0402ce1f9f8d45a37ec77fc89381869a3399aa2d405830e7eb05299ad3

(this sample)

  
Dropped by
MD5 9545b92278ad83b597040e8ead213976
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29772/
  
Dropped by
SHA256 4776841b763c714f81df4766c4fa0d5a182d4468362beee6f4bc83eb61d3ceeb

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