MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbc161933aaec1f13250088d9923431b800c6b1dac117c4fbbe834c43b0b441b. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dbc161933aaec1f13250088d9923431b800c6b1dac117c4fbbe834c43b0b441b
SHA3-384 hash: 037d19b402b7223b40288092bd1ae401060d2885dde194b8284e414b79065f82a5453bc5d83b6a168fdf32b5c14bd5ee
SHA1 hash: 3bf62ce25d34af782b1bcae1cd7771d9793d9c8b
MD5 hash: 8f38e010c6a00fea313143b862eef04c
humanhash: four-angel-lactose-social
File name:Scan docs.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:734'720 bytes
First seen:2020-08-18 07:32:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:x3P6+qUfA8bXK6TFm+XDZP/K9otkogpzITfbXZ3o1ewZn751zVJ:Z/fAoX/TFmi9P/K9C7glIDcew57f7
Threatray 10'685 similar samples on MalwareBazaar
TLSH 27F41303FBA4D115C13A2332CA5A53A406F5B9CBED63F91B7C88279EC8A23C54586FD5
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gw.vietinaviva.vn
Sending IP: 42.112.208.197
From: TRUONG THI HIEN TRANG <truongthihientrang@sales.aviva.com.vn>
Subject: Payment Sent T/T Receipt Attached - Overdue Invoices Payment
Attachment: Scan docs.rar (contains "Scan docs.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/47584/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dbc161933aaec1f13250088d9923431b800c6b1dac117c4fbbe834c43b0b441b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 00:15:36 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3pawdez2v3a7cmsqbcgzsi2ddoaay2y5vqixyt535a2mioyliqnq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'675 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200818-k7s6ybyas6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
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
ServiceHost packer
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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 4673d9b7f7df2763c4b8d96cc777b52fbe7705a8acb2b03a7eb9958ea16b327e

AgentTesla

Executable exe dbc161933aaec1f13250088d9923431b800c6b1dac117c4fbbe834c43b0b441b

(this sample)

  
Dropped by
MD5 2ab288d6b1f21d5ca50be982b0b2b008
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/47584/
  
Dropped by
SHA256 4673d9b7f7df2763c4b8d96cc777b52fbe7705a8acb2b03a7eb9958ea16b327e

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