MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4b9349afed77764e8478c1ba283b708f7529c9afd4e047d75fe04233e7e4ddb. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4b9349afed77764e8478c1ba283b708f7529c9afd4e047d75fe04233e7e4ddb
SHA3-384 hash: 910c4841fc5d37e0ec6ab5fe630af718f6c951613b1de9f5fab2a67fc197075f36f7a6d99d047e9b7bffe8c9712884a5
SHA1 hash: 7a2328cb4c022b7cf996c1804af56b024ce15a98
MD5 hash: c72e293b8bc1a7a7e513fd4b43d75541
humanhash: tango-oranges-jersey-lion
File name:Invoice_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:565'760 bytes
First seen:2020-07-07 09:19:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KwWnDu+Z28xW1Ks1XJxMEcm+lRjhswXMfZ9tTp0r9dGQKO1OU+BHtCO+bIYmg2mm:5XU+xBm3mx33XtNcR8Ee
Threatray 10'637 similar samples on MalwareBazaar
TLSH FDC4BE3432A5AF95C93A8BF5A91425404FB029AF667DD36C6DC030CB55EAF408E91FB3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: hostweb.nissaweb.com
Sending IP: 206.81.26.192
From: accountsdept@cocso.com.nl
Reply-To: accountsdept@cocso.com.nl
Subject: Invoice for payment
Attachment: Invoice_pdf.rar (contains "Invoice_pdf.exe")

AgentTesla SMTP exfil server:
mail.gascuenca.es:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22137/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f4b9349afed77764e8478c1ba283b708f7529c9afd4e047d75fe04233e7e4ddb/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 09:21:05 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6s4tjgx6253wj2chrqn2fa5xbd3vfhe27vhai7lv7yccgpt6jxnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'627 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200707-39dnx87x5e/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email 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.

1424aad88bbd1edbee2f4e70395aede9

AgentTesla

Executable exe f4b9349afed77764e8478c1ba283b708f7529c9afd4e047d75fe04233e7e4ddb

(this sample)

  
Dropped by
MD5 1424aad88bbd1edbee2f4e70395aede9
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22137/

Comments