MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f2a6395f3ae63cfeb7a50854bd0de43748013309a7871f3c114711fa0867c8ce. 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: f2a6395f3ae63cfeb7a50854bd0de43748013309a7871f3c114711fa0867c8ce
SHA3-384 hash: 8e2329779b05027838e55c6234eca532acac3cb67cd523c54c8899e7a4ecb84f5871f93dcf0e56ca7539b81e0e968541
SHA1 hash: 1aee4e8c6be224380e1c945d935616641c0f4f16
MD5 hash: cf419135ae84231487887242136dab07
humanhash: connecticut-crazy-kentucky-steak
File name:ORDER 002267.PDF.exe
Download: download sample
Signature AgentTesla
File size:769'536 bytes
First seen:2020-08-03 07:16:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ANxuIue5x0rhesBinyt88cWi09j/nms+iAurphJuuwo5:AN30f8FSoobV5
Threatray 10'578 similar samples on MalwareBazaar
TLSH CBF48C027949EC52C3971B36C88FC26847B9BD20AAD2DB25B5DA73ED0211BF7DD054CA
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.jetsd.live
Sending IP: 176.119.30.85
From: Yonzhi Tan <info@jetsd.live>
Reply-To: Yonzhi Tan <rosiespastas@yahoo.com>
Subject: RFQ ORDER 002267
Attachment: ORDER 002267.PDF.Gz (contains "ORDER 002267.PDF.exe")

AgentTesla SMTP exfil server:
smtp.emfa-tr.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Binary contains a suspicious time stamp
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Sigma detected: Suspicious Double Extension
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 steal Mail credentials (via file access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 255930 Sample: ORDER 002267.PDF.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 100 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Yara detected AgentTesla 2->57 59 Yara detected AntiVM_3 2->59 61 10 other signatures 2->61 7 ORDER 002267.PDF.exe 7 2->7         started        11 mBqELaf.exe 5 2->11         started        13 mBqELaf.exe 2->13         started        process3 file4 35 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->35 dropped 37 C:\...\&startupname&.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp6E78.tmp, XML 7->39 dropped 41 C:\Users\user\...\ORDER 002267.PDF.exe.log, ASCII 7->41 dropped 63 Injects a PE file into a foreign processes 7->63 15 ORDER 002267.PDF.exe 2 7 7->15         started        19 schtasks.exe 1 7->19         started        65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->65 67 Machine Learning detection for dropped file 11->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->69 21 mBqELaf.exe 4 11->21         started        23 schtasks.exe 1 11->23         started        25 schtasks.exe 13->25         started        27 mBqELaf.exe 13->27         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\mBqELaf.exe, PE32 15->43 dropped 45 C:\Users\user\...\mBqELaf.exe:Zone.Identifier, ASCII 15->45 dropped 47 Tries to steal Mail credentials (via file access) 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 51 Installs a global keyboard hook 15->51 29 conhost.exe 19->29         started        53 Tries to harvest and steal browser information (history, passwords, etc) 21->53 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-08-03 02:59:29 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
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.

Malspam

AgentTesla

Executable exe f2a6395f3ae63cfeb7a50854bd0de43748013309a7871f3c114711fa0867c8ce

(this sample)

  
Delivery method
Distributed via e-mail attachment

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