MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ee1a544884cb255c57c4a8f62e2d77d8b5c25113905fb2d7d50cb5c3812b331d. 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

SHA256 hash: ee1a544884cb255c57c4a8f62e2d77d8b5c25113905fb2d7d50cb5c3812b331d
SHA3-384 hash: 36255e821000e6830ed86c8113aa7f5a885d7b3c15b7e8fef77de306c92ef602a0e55fa1df4d2d4f20e46ca4f1a45dc7
SHA1 hash: 1784f9f4c03c83b9bb61f423c04e61598f2ee595
MD5 hash: ed1612c05394d81d9bbd4672589ad094
humanhash: thirteen-idaho-november-comet
File name:file.exe
Download: download sample
Signature AgentTesla
File size:503'296 bytes
First seen:2021-05-20 17:50:11 UTC
Last seen:2021-05-20 18:10:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:SNR6GABvKRZTAQaCbWxNXFBwjOD/3VfpmP9aT:A6GAUZ8QxbuNXFBwjM/3FwPAT
Threatray 5'078 similar samples on MalwareBazaar
TLSH 52B4025072F8AB1AE1FE07F259B42040177671A67232EB1C5DD861DF2636F824A16FB3
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changing a file
Creating a window
Sending a custom TCP request
Creating a file
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Result
Verdict:
UNKNOWN
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
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
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 dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped 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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 418852 Sample: file.exe Startdate: 20/05/2021 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->43 45 Found malware configuration 2->45 47 Multi AV Scanner detection for dropped file 2->47 49 7 other signatures 2->49 7 file.exe 6 2->7         started        11 nAhOJe.exe 5 2->11         started        13 nAhOJe.exe 2 2->13         started        process3 file4 31 C:\Users\user\AppData\Roaming31brhDCrG.exe, PE32 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp3769.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->35 dropped 51 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 7->57 15 file.exe 2 5 7->15         started        19 schtasks.exe 1 7->19         started        21 file.exe 7->21         started        59 Multi AV Scanner detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 63 Injects a PE file into a foreign processes 11->63 23 schtasks.exe 1 11->23         started        25 nAhOJe.exe 2 11->25         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\nAhOJe.exe, PE32 15->37 dropped 39 C:\Users\user\...\nAhOJe.exe:Zone.Identifier, ASCII 15->39 dropped 41 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->41 27 conhost.exe 19->27         started        29 conhost.exe 23->29         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-05-20 17:50:21 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 ee1a544884cb255c57c4a8f62e2d77d8b5c25113905fb2d7d50cb5c3812b331d

(this sample)

  
Delivery method
Distributed via e-mail attachment

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