MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bacaaa40e0f3b6cba3fc498dfbd6f2d198a767453cd8513acdbafa9fefaeed2a. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bacaaa40e0f3b6cba3fc498dfbd6f2d198a767453cd8513acdbafa9fefaeed2a
SHA3-384 hash: 060d72df426fae2b3cf0a1db4479cb4bf022bdd7c5ee5b6fe7ac1a1ee151657700872729acdcefc63eeac70159161384
SHA1 hash: 77116aba7ff9d7ef6a897a904ba8ce03816766e0
MD5 hash: 824a7153c1a14e7ddf069f46157a1d9d
humanhash: white-muppet-montana-mountain
File name:RFQ_502480987.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:466'944 bytes
First seen:2020-05-04 20:55:06 UTC
Last seen:2020-05-04 21:51:49 UTC
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:Hm4rrtp+fN9u87JebGjJ287PyzI92mfD90epdddWmMVEuDxd94LCkco8aDkOgMNp:HFrn+fG8lekRqgJJd/udd62Ho8aDQaTB
Threatray 10'562 similar samples on MalwareBazaar
TLSH ECA4E129ABA9DD27CAED44B4BC50504413F1C3E6ED52F3C58ED170B4884FB966A02E6F
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.grupoescala.com
Sending IP: 82.223.18.162
From: adrian.brouwers@kautex-group.com <adrian.brouwers@kautex-group.com>
Subject: RUSH-INQUIRY RFQ 50248987 KAUTEX MASCHINENBAU GmbH - NEED YOUR OFFER\x0a UNTIL MONDAY - NEED AN OFFER WITH FABRICATED OPTIONS
Attachment: RFQ_502480987.gz (contains "RFQ_502480987.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Inject3.39524.18935.11424.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-04 22:19:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
27 of 31 (87.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xlfkuqha6o3mxi74jgg7xvxs2gmkoz2fhtmfcownxl5j735o5uva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'552 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-2czb5hmgfx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
rezer0
AgentTesla
Modifies Windows Defender Real-time Protection settings
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

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

gz 782083fbf59bde49ea9e6fe9b81bd4e2c0caf67d032b6c130d74f4826ba5ed02

AgentTesla

Executable exe bacaaa40e0f3b6cba3fc498dfbd6f2d198a767453cd8513acdbafa9fefaeed2a

(this sample)

  
Dropped by
MD5 6e3b36d998c7b152d2660b1218d29546
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 782083fbf59bde49ea9e6fe9b81bd4e2c0caf67d032b6c130d74f4826ba5ed02

Comments