MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9241956eb6748031c6081171d747655373ffe236153dd901a663a3d24b9bf38c. 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: 9241956eb6748031c6081171d747655373ffe236153dd901a663a3d24b9bf38c
SHA3-384 hash: 1caa5524a6efa2bb14beb56cac47583e75f8e895790bbff251db08f9481f587c88f8d5fea3c1f4caed5228c10393a609
SHA1 hash: c357dd32701a9e07164b277e2224d841415c11ff
MD5 hash: c875c56f83bb289f8fc8cc80364c0c89
humanhash: hawaii-arizona-oscar-bulldog
File name:TNT Original Invoice.exe
Download: download sample
Signature AgentTesla
File size:458'240 bytes
First seen:2020-08-12 12:41:58 UTC
Last seen:2020-08-12 13:45:27 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 12288:CA41grpiAuolzOYe8yvi5bWFaLjAryHeEw:BQAuoM3ykyH/w
Threatray 10'755 similar samples on MalwareBazaar
TLSH CBA412A8267CAF83DEED2FF8258D30401B65AE47E850F7851D8B70E722B67804D44B67
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
3
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Executable has a suspicious name (potential lure to open the executable)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Status:
Malicious
First seen:
2020-08-11 00:56:51 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Behaviour
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
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 9241956eb6748031c6081171d747655373ffe236153dd901a663a3d24b9bf38c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments