MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a58fc8e96f20e803cf01cffd2ca566ef4ec82ceca97f116aee211008f3f6a6e1. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a58fc8e96f20e803cf01cffd2ca566ef4ec82ceca97f116aee211008f3f6a6e1
SHA3-384 hash: b932172ee4744d849789adae0c2b4bb73dc01b6398546e999fa9553543bafd3cb81b047b24cf4a028550e635e57a4275
SHA1 hash: 7ac2ecff44f0c9de031ed6f4cb1c85cea896baec
MD5 hash: b2dab9f7ed4982d19dfb42ebe45715d7
humanhash: pip-yankee-venus-muppet
File name:MV AGRIA CALLING CHANGSHU AGENCY APPOINTMENT.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:509'440 bytes
First seen:2020-07-13 06:42:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:S5piMrzGRAkD2WW3OI44PM/MCUvVW6v/yZKFygDa0SLrpLT2xD/b6L2r:q17f+BFQYgyIa0S3pLylR
Threatray 10'643 similar samples on MalwareBazaar
TLSH 61B4ADF61303939DCE657CF36F60865AF2DEBCA85C87BA292764366DB730A09D001572
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: wan0.805.guanioonvivre.cyou
Sending IP: 134.122.73.3
From: Chartering -Operations <chartops@actship.com>
Reply-To: ct20320@gmail.com
Subject: MV AGRIA // CALLING CHANGSHU // AGENCY APPOINTMENT
Attachment: MV AGRIA CALLING CHANGSHU AGENCY APPOINTMENT.rar (contains "MV AGRIA CALLING CHANGSHU AGENCY APPOINTMENT.exe")

AgentTesla SMTP exfil server:
mail.privateemail.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/25031/
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 autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a58fc8e96f20e803cf01cffd2ca566ef4ec82ceca97f116aee211008f3f6a6e1/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 04:29:18 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uwh4r2lpeduahtybz76szjlg55hmqlhmvf7rc2xoeeiar47wu3qq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'633 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200713-9nlhe85zh2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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

rar b74d8a502f4d74a6792acf0f9e62e77269e58d908d6d1656d5dbd97643d33005

AgentTesla

Executable exe a58fc8e96f20e803cf01cffd2ca566ef4ec82ceca97f116aee211008f3f6a6e1

(this sample)

  
Dropped by
MD5 d9aaaa675dc88cc5daae03f424fc2291
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/25031/
  
Dropped by
SHA256 b74d8a502f4d74a6792acf0f9e62e77269e58d908d6d1656d5dbd97643d33005

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