MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb551fc3381e8bdb8536a3903bbf85018a21184e9517e591ace5402c0ac0776f. 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: cb551fc3381e8bdb8536a3903bbf85018a21184e9517e591ace5402c0ac0776f
SHA3-384 hash: 9521d15522546f2af9c5fef69eb114a4abf6993108195c5841b9577dd4165d5b137b9802a647eb5f2c3b1705c2292dba
SHA1 hash: 35958ed479ca117a488219638b25191f3f0034f4
MD5 hash: 5e67b8d6b03e22117ff96947d6fc54d5
humanhash: don-magnesium-asparagus-winter
File name:E#20032.exe
Download: download sample
Signature AgentTesla
File size:801'792 bytes
First seen:2020-07-06 14:55:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4fd721b7012fb0eac9a8ce671b3fd22a (8 x AgentTesla, 1 x HawkEye, 1 x Loki)
ssdeep 12288:dfladl4S4E7SzTMJN/RRYXK3UoZZw/CiZgZXZ81pasa/3kGW+NnNr5jz1uuR/B:XQl77f7YXEZyOXFJ3kSNZB1jhB
Threatray 11'044 similar samples on MalwareBazaar
TLSH E605BE62E2D148F3E1A6163D4D0B477498E5FEC1EE2C9A462BF45C4CAF39681382D2D7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 156.96.62.70
From: Luca Favari <Lucafavari19@gmail.com>
Reply-To: laurent.seltechutama@gmail.com
Subject: ordine in sostituzione
Attachment: E20032.zip (contains "E#20032.exe")

AgentTesla SMTP exfil server:
smtp.balkrishneforge.com:587

Intelligence


File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
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
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2020-07-06 14:57:05 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
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 cb551fc3381e8bdb8536a3903bbf85018a21184e9517e591ace5402c0ac0776f

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments