MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 433e5753d0df71ab56206523eb3c60a7c0e91ce7746599e976e902993f3b3fcc. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 433e5753d0df71ab56206523eb3c60a7c0e91ce7746599e976e902993f3b3fcc
SHA3-384 hash: c935b593345151e2c37a86a5aa15a3193015aca2347d4d4756ede9a676ae8c2f944c823363f009789420eb4d4e52e14b
SHA1 hash: 9bfffdb6f5779b793a2814ccde439b76dd42b4f3
MD5 hash: 3b538f256f21ebf1016738a1b2bf7067
humanhash: paris-cardinal-princess-whiskey
File name:Proforma Invoice and Contract Documents 022020.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:583'168 bytes
First seen:2020-05-26 08:01:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:mNpe8JXp/J/aTKlEObY9L5pzaW1tjtoVa/nKmRgEild:m/e2hyWlESY5n
Threatray 10'594 similar samples on MalwareBazaar
TLSH F7C48C783650779EC457CD72D96C3C6CAA616C6A430BD207E01F37BD9AED69B8F100A2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail0.514.drienimeoni.casa
Sending IP: 68.183.81.45
From: Elizabeth Yee <elizabeth@millenniumminerals.com.au>
Reply-To: standardmedicsys@dr.com
Subject: Re: Invoice & Contract 05/2020
Attachment: Proforma Invoice and Contract Documents 022020.pdf.rar (contains "Proforma Invoice and Contract Documents 022020.pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WBA.14666.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-26 08:36:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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a744e64bd387c4f4ef681744a8fd7d8ab024e3f6650302f24163fe506e92cccf
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
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AgentTesla
+ 10'584 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-yy37mt74pn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
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
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 36d5d33c2c5344de6ab49390e6a9a8a577862e5c73e0142da9bfb36427414632

AgentTesla

Executable exe 433e5753d0df71ab56206523eb3c60a7c0e91ce7746599e976e902993f3b3fcc

(this sample)

  
Dropped by
MD5 bb9ab172da83052d9b5f621f30030b3c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 36d5d33c2c5344de6ab49390e6a9a8a577862e5c73e0142da9bfb36427414632

Comments