MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a72a48f073453a56e214a24edf8a203221b77bd1989b19896202a0b9f8f8b56c. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: a72a48f073453a56e214a24edf8a203221b77bd1989b19896202a0b9f8f8b56c
SHA3-384 hash: 1d18bbebbcb28ffd40a0bee76b727d81d98ec89024abd4a119ed36fa597566891c51d9caa9ebb78cc768d9667758f8bc
SHA1 hash: ff49373be8f98a880cd0875d71ce6f38826dd6ba
MD5 hash: 87625b08eb7dc2c913a3ab8fba94efc5
humanhash: kansas-high-pip-nuts
File name:Offer.exe
Download: download sample
Signature AgentTesla
File size:1'102'343 bytes
First seen:2020-06-19 06:09:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 24576:6NA3R5drXdt2dftFRrCMuTKj03aBKs6vHIzBx7s3oFQYcEn7mkc:z5b2dft0Kjy+Ks6AxIo6Lv
Threatray 9'318 similar samples on MalwareBazaar
TLSH BC351202B6D684B3E5321E354A29E721A97C7D705F35CA2FA3C80E2EC975580A635F73
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic303-1.consmr.mail.bf2.yahoo.com
Sending IP: 74.6.131.40
From: Maria Bianchi <oliver.george91@yahoo.com>
Reply-To: Maria Bianchi <oliver.george91@yahoo.com>
Subject: Fw: RFQ FOR QUOTATION [UPDATED PRICELIST]
Attachment: Offer.uue (contains "Offer.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
Win32.Backdoor.NanoCore
Status:
Malicious
First seen:
2020-06-19 06:11:07 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla persistence
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
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
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
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 a72a48f073453a56e214a24edf8a203221b77bd1989b19896202a0b9f8f8b56c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments