MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7ba15d4486470764977c2cf0efe0f9dd891da4b8cb423ba3b9a116e5d8300a3. 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: f7ba15d4486470764977c2cf0efe0f9dd891da4b8cb423ba3b9a116e5d8300a3
SHA3-384 hash: 04ca6ccb9d268737011687178af1352cd8479192cb550bfb4950e1ab0727ff13afe4813a10734a68df61cc823181e9b2
SHA1 hash: 528b87193428b7f051362b475d93ff539d5f72eb
MD5 hash: 14fa2e7cd53fdd01587529ddf913e506
humanhash: oranges-fruit-lima-oklahoma
File name:PURCHASE ORDER_0172 pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:868'864 bytes
First seen:2020-09-16 05:48:48 UTC
Last seen:2020-09-16 06:45:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:gIlE396W8vUEgAlbXP4ZIggP4A9pFnfuiPXsYr7XLB0Fro4GA4Km9Fkmyaq4yMo5:TWnBE/lBl0ZzGA4DyzPH2Bhy21D1
Threatray 10'649 similar samples on MalwareBazaar
TLSH B2059D9C7225B2EFC85BC0769AA82C64EA50EC77831F4613901771BD9A7D987CF244F2
Reporter cocaman
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
98
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/61485/
Detection(s):
SecuriteInfo.com.Trojan.Siggen10.21178.8028.22960.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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 autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/467495
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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
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
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286166 Sample: PURCHASE ORDER_0172 pdf.exe Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Antivirus detection for dropped file 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 15 other signatures 2->72 7 PURCHASE ORDER_0172 pdf.exe 6 2->7         started        11 YYtJku.exe 4 2->11         started        13 YYtJku.exe 5 2->13         started        process3 file4 44 C:\Users\user\AppData\...behaviorgraphCGEESjteDbJDN.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmpC8BA.tmp, XML 7->46 dropped 48 C:\Users\...\PURCHASE ORDER_0172 pdf.exe.log, ASCII 7->48 dropped 74 Injects a PE file into a foreign processes 7->74 15 PURCHASE ORDER_0172 pdf.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 PURCHASE ORDER_0172 pdf.exe 7->22         started        24 YYtJku.exe 11->24         started        26 schtasks.exe 11->26         started        76 Antivirus detection for dropped file 13->76 78 Multi AV Scanner detection for dropped file 13->78 80 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->80 82 2 other signatures 13->82 28 schtasks.exe 13->28         started        30 YYtJku.exe 13->30         started        32 YYtJku.exe 13->32         started        signatures5 process6 dnsIp7 50 us2.smtp.mailhostbox.com 208.91.199.225, 49738, 49756, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 52 192.168.2.1 unknown unknown 15->52 40 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 15->40 dropped 42 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 15->42 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Moves itself to temp directory 15->56 58 Tries to steal Mail credentials (via file access) 15->58 34 conhost.exe 20->34         started        60 Tries to harvest and steal ftp login credentials 24->60 62 Tries to harvest and steal browser information (history, passwords, etc) 24->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->64 36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f7ba15d4486470764977c2cf0efe0f9dd891da4b8cb423ba3b9a116e5d8300a3/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-09-15 12:54:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=665blvcimryhmslxylhq57qptxmjdwslrs2chor3tiiw4xmdacrq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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faa706545212465c95b5f5e3b8b86be591d00d55601c0cb0922812d7b20e658c
AgentTesla
+ 10'639 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200916-lagv8m33ax/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7ba15d4486470764977c2cf0efe0f9dd891da4b8cb423ba3b9a116e5d8300a3

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

7z 3e2e80467c75846abfd1815fd2622b6b1cc278e61a332bd284a9ac690d6fdf1a

AgentTesla

Executable exe f7ba15d4486470764977c2cf0efe0f9dd891da4b8cb423ba3b9a116e5d8300a3

(this sample)

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/61485/
  
Dropped by
SHA256 3e2e80467c75846abfd1815fd2622b6b1cc278e61a332bd284a9ac690d6fdf1a

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