MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83d8b3913153282a251fc2f7bf74f701e02969441341297823957e5d35a5c3b0. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: 83d8b3913153282a251fc2f7bf74f701e02969441341297823957e5d35a5c3b0
SHA3-384 hash: c3a2da33f0255482a481fe01a93fba7bb987461dea54e0cbb37c3747c02712fa2654b3afbd554f91031cde617874181f
SHA1 hash: a90d70316a39305cbd5ccefbe24e012334e3e086
MD5 hash: 26f443f71c6ad850b704d85210309ecb
humanhash: bluebird-delta-uniform-lamp
File name:Order confirmation.exe
Download: download sample
Signature AgentTesla
File size:707'584 bytes
First seen:2020-07-08 12:43:17 UTC
Last seen:2020-07-08 16:25:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c6558f8c55c7046860294c7f6ce6c298 (14 x AgentTesla, 5 x FormBook, 3 x Loki)
ssdeep 12288:sk7Yi4Xj/tQBWi/y67k86oxVOwBAtYTulwd7jiUhonOfjQYwx0Us6:114/oDnsUgkBiCbhDLQYwxv
Threatray 11'145 similar samples on MalwareBazaar
TLSH B4E4AE26F2E04433F16316399D5BD77C5836BE103E695A472BE4DD4CAF38281386A2B7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: novainstruments.com
Sending IP: 37.49.224.4
From: Sales@novainstruments.com
Subject: RE: RE: Order confirmation
Attachment: OVA ARCHANTIQUITIES Comfirmed PO88787654.zip (contains "Order confirmation.exe")

AgentTesla SMTP exfil server:
smtp.bnb-spa.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Launching a service
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun with Startup directory
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-07-08 11:29:10 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Drops startup file
Reads user/profile data of web browsers
UPX packed file
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 83d8b3913153282a251fc2f7bf74f701e02969441341297823957e5d35a5c3b0

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments