MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f31366103542395f70f39b537d8355e0f59b1605884d0ad2dae0f5c8c8a49d2. 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: 8f31366103542395f70f39b537d8355e0f59b1605884d0ad2dae0f5c8c8a49d2
SHA3-384 hash: 84d7dc0bd2f2fb2f3ac4f20ebdea2e3cc9a90a81a6f60f821cdecfee5c1cab388f8ba5e4fbf1f5360b1b383a80e74ad9
SHA1 hash: 25db18004d8968d97069929edce2edf21a0d0589
MD5 hash: 68d4c5277ba7dc8677e0efa97d45105c
humanhash: arizona-virginia-chicken-fourteen
File name:order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:955'904 bytes
First seen:2020-07-20 12:07:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:K9Eryph65681q9I6/kldSCGDyaod+ik4g8y3SoDxpjaubs2dycyHr3dkrQKbBXXT:K9ErypkJOPW2rEloDxMaNGr3dcQp
Threatray 10'705 similar samples on MalwareBazaar
TLSH 5515E0C87A40A40EC59E1E7A4E519D70C370AD42F6F3E34727C6BE9E297E397C905292
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server54.hazelpartner.com
Sending IP: 173.212.198.53
From: john bradford<ezgib@netas.com.tr>
Subject: RE:PO-000039988
Attachment: attachments.zip (contains "order.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29074/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.1137.UNOFFICIAL
Create hunting rule

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
Creating a file
Using the Windows Management Instrumentation requests
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/391542
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248146 Sample: order.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 54 Found malware configuration 2->54 56 Multi AV Scanner detection for dropped file 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 6 other signatures 2->60 7 order.exe 5 2->7         started        11 eJJHmLF.exe 1 2->11         started        13 eJJHmLF.exe 2->13         started        process3 file4 32 C:\Users\user\AppData\...\zIkjGhFzvwE.exe, PE32 7->32 dropped 34 C:\Users\...\zIkjGhFzvwE.exe:Zone.Identifier, ASCII 7->34 dropped 36 C:\Users\user\AppData\Local\...\tmp23FD.tmp, XML 7->36 dropped 38 C:\Users\user\AppData\Local\...\order.exe.log, ASCII 7->38 dropped 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->62 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 order.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 eJJHmLF.exe 2 11->22         started        24 eJJHmLF.exe 13->24         started        signatures5 process6 dnsIp7 40 mail.privateemail.com 198.54.122.60, 49717, 49718, 587 NAMECHEAP-NETUS United States 15->40 28 C:\Users\user\AppData\Roaming\...\eJJHmLF.exe, PE32 15->28 dropped 30 C:\Users\user\...\eJJHmLF.exe:Zone.Identifier, ASCII 15->30 dropped 42 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->42 44 Installs a global keyboard hook 15->44 26 conhost.exe 20->26         started        46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->46 48 Tries to steal Mail credentials (via file access) 22->48 50 Tries to harvest and steal ftp login credentials 22->50 52 Tries to harvest and steal browser information (history, passwords, etc) 22->52 file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f31366103542395f70f39b537d8355e0f59b1605884d0ad2dae0f5c8c8a49d2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 12:09:07 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r4ytmyidkqrzl5yphg2tpwbvlyhvtmlalccnbljnvyhvzdekjhja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'695 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/200720-njcnbk9axn/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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/8f31366103542395f70f39b537d8355e0f59b1605884d0ad2dae0f5c8c8a49d2

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

zip b348fec694093d0c7abfd543d8467e72d49c3455ed67bd9ef6bdbf8b1657404e

AgentTesla

Executable exe 8f31366103542395f70f39b537d8355e0f59b1605884d0ad2dae0f5c8c8a49d2

(this sample)

  
Dropped by
MD5 9f1a0c6c75b026dc75148e376ad11952
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29074/
  
Dropped by
SHA256 b348fec694093d0c7abfd543d8467e72d49c3455ed67bd9ef6bdbf8b1657404e

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