MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f17b1407dd6b3febc9c19770d1252a7028971382c85a2b9320e416801b2f904. 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: 3f17b1407dd6b3febc9c19770d1252a7028971382c85a2b9320e416801b2f904
SHA3-384 hash: 20e48985cf37e2a7687ee294d25aeb0538a43d3ffce612e6d9ab55f21a57a8f6f1a228141530b792e63345b963abde69
SHA1 hash: f0436f0b2040c49114590232062b224ca8a6bb3b
MD5 hash: a8d15faf6e3251bf85346225ef3b2856
humanhash: enemy-one-kentucky-hawaii
File name:P.O 899475675857.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:423'936 bytes
First seen:2020-06-28 07:37:24 UTC
Last seen:2020-06-28 08:44:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:+URBClbcwLOX0PolvE1bGOi7CUzbfi+cMl8Uc3avrDEHIl7XZCZ7q3:BBClLBolvibMmUffi+l8P3avrrhJCZ7
Threatray 10'602 similar samples on MalwareBazaar
TLSH EF94024093A8BF65C53C83F96B640D6527F4661B65A7EB4D0ECA32D23503B428B12FE7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.pvchem.com.vn
Sending IP: 103.35.64.83
From: Tong Công Ty DMC <pvchem@pvchem.com.vn>
Subject: QUOTATION
Attachment: QUOTATION REQUEST.XLSX.gz (contains "P.O 899475675857.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/15163/
Detection(s):
SecuriteInfo.com.Trojan.Inject3.44125.9366.9170.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3f17b1407dd6b3febc9c19770d1252a7028971382c85a2b9320e416801b2f904/
Threat name:
Win32.Trojan.Fonctuzim
Create hunting rule
Status:
Malicious
First seen:
2020-06-27 16:19:37 UTC
AV detection:
31 of 48 (64.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=h4l3cqd522z75pe4df3q2essu4bis4jyfsc2fojsbzawqans7eca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'592 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/200628-8f1rewvat2/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
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

zip 42f2688f472f34cec4293a3da0b34e0f7d20c66272bc7f805ba2d4718d7d37c4

AgentTesla

Executable exe 3f17b1407dd6b3febc9c19770d1252a7028971382c85a2b9320e416801b2f904

(this sample)

  
Dropped by
MD5 c663b6f042a8ca77056cbe8cdade06ba
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/15163/
  
Dropped by
SHA256 42f2688f472f34cec4293a3da0b34e0f7d20c66272bc7f805ba2d4718d7d37c4

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