MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff3592973cf696eebf15e8aa4541deb311cac7695272f050ef0c2a705d1494e8. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments
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SHA256 hash: ff3592973cf696eebf15e8aa4541deb311cac7695272f050ef0c2a705d1494e8
SHA3-384 hash: 3c280d422a5a143333ac3b71c2ae92c97e11152b6e4ab564fee4beabce580f34c9bd8707bfe716d10e75007f37772161
SHA1 hash: 4733be6fc40538c90f22a699431a5a2a9d97d02f
MD5 hash: 90e5c0aea4abff659e3d8a9ba1742e2e
humanhash: louisiana-maine-william-mirror
File name:image no 60439901 pdf.exe
Download: download sample
Signature AgentTesla
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File size:842'752 bytes
First seen:2021-05-12 12:47:45 UTC
Last seen:2021-05-12 14:19:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:gM2U/9h8AuwcB+yG6VxL6WCV8E7o77CSuH:X2eh8Auwhp8x9E7onCH
Threatray 4'880 similar samples on MalwareBazaar
TLSH D605129D7368B2EEC8BBC0714E805CB5EA65B92A470F8117E90365EC9E5E44BCF051A3
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
4
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/155307/
Detection(s):
SecuriteInfo.com.Mal.Generic-S.23383.26112.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779856
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 412252 Sample: image no 60439901 pdf.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 15 other signatures 2->41 7 image no 60439901 pdf.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\wAdBdxNdOYTiui.exe, PE32 7->27 dropped 29 C:\...\wAdBdxNdOYTiui.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp8928.tmp, XML 7->31 dropped 33 C:\Users\...\image no 60439901 pdf.exe.log, ASCII 7->33 dropped 43 Adds a directory exclusion to Windows Defender 7->43 45 Injects a PE file into a foreign processes 7->45 11 powershell.exe 23 7->11         started        13 powershell.exe 22 7->13         started        15 powershell.exe 24 7->15         started        17 2 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started       
Detection:
agenttesla
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Link:
https://mwdb.cert.pl/sample/ff3592973cf696eebf15e8aa4541deb311cac7695272f050ef0c2a705d1494e8/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
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Status:
Malicious
First seen:
2021-05-12 08:22:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=742zffz462lo5pyv5cvekqo6wmi4vr3jkjzpauhpbqvhaxiustua._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
2fec5a8a55f441415b81b02e233a959d766aa32929cf5d92ff7068c867d01f23
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3a59c88eb66362eb3494d88a7dc008e0124c82e985bf1e241ae54d8b6d006a4f
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4d569622d088800b4545c0079d1406801aad0d685e1647a426a7e2f99a5e144a
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5a115b193cd8584c561a8e9ef9a1b65a7e4a7e9eef19d2607f7ee12588f38803
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6d3deba9b84a0196b94370ee9a1201893fcacacc6736638407d0c4b11b7995a2
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7295a582fe88bca9f42f2849c9d40ceeff3006c1911dbb08e6ecf02f20cfa60a
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8011e22f056cc3a11f8e32fd6b122631e76f254c9c32eec5f2381bc5881dcbe6
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db1758d0ec67aab44814a07b14a7dbc404cae5960e37a446baa3c8cf8c9f442f
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eb82fa045b5324e02a27e0e4443285c08961a4f2af8d7654bbbfe4a96c753140
AgentTesla
fad59266b34827f994eba36a030a5abd4c552c3132801afec5fe74c787e10044
AgentTesla
+ 4'870 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
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Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210512-zxytegvvws/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.49
Link:
https://yomi.yoroi.company/submissions/ff3592973cf696eebf15e8aa4541deb311cac7695272f050ef0c2a705d1494e8

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:pe_imphash
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Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe ff3592973cf696eebf15e8aa4541deb311cac7695272f050ef0c2a705d1494e8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/155307/

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