MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7. 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

SHA256 hash: 9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7
SHA3-384 hash: 924cd8d6f33c438f08196045b2c67f09a7e9234fa3eb66c74d0d2c39ac120ab2e71f8ac9fd433e36660866980d4478b8
SHA1 hash: f46149ea868e8d5372ba4e2c74ebf5daea059bf8
MD5 hash: d52f916350d4d368b63e8ead67fe518c
humanhash: vegan-lima-utah-kentucky
File name:HYTyBvCqA9Gh8K8.exe
Download: download sample
Signature AgentTesla
File size:1'011'712 bytes
First seen:2020-09-28 10:26:21 UTC
Last seen:2020-09-28 10:43:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:/yBOjP6+DJZXX9i7atVnRU+7UwyKC59t8OS3j:D/Y78RyL9mZj
Threatray 9'489 similar samples on MalwareBazaar
TLSH 7E25F0DAFE445A35C1AE2E7E50B4FF5D23FCE5172D52E7284973B8898A322804E01DD6
Reporter Anonymous
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
109
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 290610 Sample: HYTyBvCqA9Gh8K8.exe Startdate: 28/09/2020 Architecture: WINDOWS Score: 100 31 Found malware configuration 2->31 33 Multi AV Scanner detection for dropped file 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 5 other signatures 2->37 7 HYTyBvCqA9Gh8K8.exe 4 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\ojkjeS.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpDF8C.tmp, XML 7->21 dropped 23 C:\Users\user\...\HYTyBvCqA9Gh8K8.exe.log, ASCII 7->23 dropped 39 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->39 41 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->41 43 Injects a PE file into a foreign processes 7->43 45 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->45 11 HYTyBvCqA9Gh8K8.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 smtp.yandex.ru 77.88.21.158, 49716, 587 YANDEXRU Russian Federation 11->25 27 192.168.2.1 unknown unknown 11->27 29 smtp.yandex.com 11->29 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Bluteal
Status:
Malicious
First seen:
2020-09-28 08:42:02 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
9029fc110d6ad30af1c140d2c7af2192b17c04986ba7bacebed72d58c84241a7
MD5 hash:
d52f916350d4d368b63e8ead67fe518c
SHA1 hash:
f46149ea868e8d5372ba4e2c74ebf5daea059bf8
SH256 hash:
16ad091d07ff01b2b69f09114a4c8bca260037dbba6d52240a494831725ce74f
MD5 hash:
d08c82a2ab0eafdb4c9a256913190049
SHA1 hash:
9d8e927788b12204b2d667ecc4417a1211c2c797
SH256 hash:
729a1b125fb330463c22a87c061e384300f49bd9d6793836bb3e52bcb61cc03f
MD5 hash:
ac3f427e66b28b013b0b651c2f71d1e9
SHA1 hash:
ddf8b4b1d36aced75740632b41d30add06b5db3d
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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.

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