MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cf1da30d7214ac4b6c03bf5671c13b6ff9cc56a7ada7a16a6c92b2842e7f5bb3. 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: cf1da30d7214ac4b6c03bf5671c13b6ff9cc56a7ada7a16a6c92b2842e7f5bb3
SHA3-384 hash: 2f31cdae626b4028a675875876b206bccf88c4ce062604f7985f8992deb706d59970c4e0bfa8506e7205ad1a99a83f1f
SHA1 hash: a9d45a3be5d8b37db7b79b10a22d4245cfe5f221
MD5 hash: 1894527a4af141343cc84b218d9f9f31
humanhash: yellow-illinois-angel-kilo
File name:PO.#4500499953.exe
Download: download sample
Signature AgentTesla
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File size:810'496 bytes
First seen:2021-05-12 09:16:54 UTC
Last seen:2021-05-12 12:56:09 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:TD+8G4OBybm1vUH6zYde62Vwc25OwgBOC5gq0:e6aybmhUHG30XCj
Threatray 4'862 similar samples on MalwareBazaar
TLSH 4A0512DD3354B1EFC887C875CE984C70EA21E9BA471B46239C5BD59E8E9D489CF102E2
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
6
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.W32.MSIL_Kryptik.CYQ.genEldorado.9757.18565.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.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/779664
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the hosts 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)
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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 412060 Sample: PO.#4500499953.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected AgentTesla 2->43 45 6 other signatures 2->45 6 PO.#4500499953.exe 3 2->6         started        10 NXLun.exe 2 2->10         started        12 NXLun.exe 1 2->12         started        process3 file4 23 C:\Users\user\...\PO.#4500499953.exe.log, ASCII 6->23 dropped 47 Detected unpacking (changes PE section rights) 6->47 49 Writes to foreign memory regions 6->49 51 Injects a PE file into a foreign processes 6->51 53 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 6->53 14 RegSvcs.exe 2 4 6->14         started        19 conhost.exe 10->19         started        21 conhost.exe 12->21         started        signatures5 process6 dnsIp7 29 wasstech.com 204.93.196.181, 49747, 587 SERVERCENTRALUS United States 14->29 25 C:\Users\user\AppData\Roaming\...25XLun.exe, PE32 14->25 dropped 27 C:\Windows\System32\drivers\etc\hosts, ASCII 14->27 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->33 35 Tries to steal Mail credentials (via file access) 14->35 37 5 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/cf1da30d7214ac4b6c03bf5671c13b6ff9cc56a7ada7a16a6c92b2842e7f5bb3/
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Create hunting rule
Status:
Malicious
First seen:
2021-05-12 08:14:34 UTC
AV detection:
14 of 47 (29.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=z4o2gdlscswew3adx5lhdqj3n744yvvhvwt2c2tmskziilt7lozq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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30718874b90d12365b221766d1fad7e2dc3301d3898e071a082ed9fb9bf5ec22
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682ce3faec5aee3ab19316ed585ae60d088cc69bb0dbfe4c089c6d1cade26de8
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68578ec812d1d18d8fe9a8bac3ef92d73255a4291402ff960c59df9deff5fe19
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8ce43504e92c5aec18585e90f58c306650473d186ac3aeefc116a0a36d939cc3
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cd0c125345543bbf0661d72d5bef97a8d71b20e0acda32fa46c7fc71959b5b88
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f111c1af009f5f5b71e9551ccaf2676df2f0df3bb308f230425ba399c80b9e30
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f34b079e65a534e9e030e4717e97493ce7e64562a96ac2c29bb286f97b568d18
AgentTesla
+ 4'852 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210512-vs3s29dkqj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops file in Drivers directory
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/cf1da30d7214ac4b6c03bf5671c13b6ff9cc56a7ada7a16a6c92b2842e7f5bb3

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
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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 cf1da30d7214ac4b6c03bf5671c13b6ff9cc56a7ada7a16a6c92b2842e7f5bb3

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments