MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4d5efc07157713342c2b04e645ad4df03a689c09f92c928024518ebffa883bfd. 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 3 File information Comments

SHA256 hash: 4d5efc07157713342c2b04e645ad4df03a689c09f92c928024518ebffa883bfd
SHA3-384 hash: 32e8e21ffcdd34ab21907132a2d7f0f0b63e06b947ebdf65573f03f899904f449fa41fbf3a696ce74ffd488f4d7de965
SHA1 hash: da5a692e7a70d63d68e75c59686d532dc165bf72
MD5 hash: d050be109b43b8ec300ed55a187b91eb
humanhash: pasta-pizza-ack-virginia
File name:d050be109b43b8ec300ed55a187b91eb.exe
Download: download sample
Signature AgentTesla
File size:1'050'624 bytes
First seen:2021-04-20 12:04:54 UTC
Last seen:2021-04-20 13:01:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:IkHROBOobXV3XH+RCmSH6sOEQ86oytz0MRRRRRNt:IkHE3bXAEjys6IMRRRRRN
Threatray 4'084 similar samples on MalwareBazaar
TLSH BA25DF253FE5CF18D2BA4B7888B4925093F9FC119B1BC70AEEA135DC5E70BD45E16282
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 393754 Sample: 2UEJzIJxpq.exe Startdate: 20/04/2021 Architecture: WINDOWS Score: 100 27 Found malware configuration 2->27 29 Multi AV Scanner detection for dropped file 2->29 31 Sigma detected: Scheduled temp file as task from temp location 2->31 33 5 other signatures 2->33 7 2UEJzIJxpq.exe 7 2->7         started        process3 file4 19 C:\Users\user\AppData\...\assVVwyaGZOmx.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmpA1F9.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\2UEJzIJxpq.exe.log, ASCII 7->23 dropped 35 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->35 37 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 Injects a PE file into a foreign processes 7->41 11 2UEJzIJxpq.exe 6 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 smtp.poczta.onet.pl 213.180.147.145, 25, 49779, 49780 ONET-PL-AS1OnetplportalnetworkPL Poland 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Tries to steal Mail credentials (via file access) 11->45 47 Tries to harvest and steal ftp login credentials 11->47 49 2 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Gathering data
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
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.

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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe 4d5efc07157713342c2b04e645ad4df03a689c09f92c928024518ebffa883bfd

(this sample)

  
Delivery method
Distributed via web download

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