MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4664b88274ef7c903d7eb7c18ab51ba8109640210334f648d696afcecf935ddd. 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: 4664b88274ef7c903d7eb7c18ab51ba8109640210334f648d696afcecf935ddd
SHA3-384 hash: 5945bd7615bd88ca1b0c3263d4f01d2d7992acfe1c1658c6d6c375333e3c8237f78fb2877486dc390e7350333d410f3b
SHA1 hash: f9aea47b955a88f08082aea6e5e86bc9561fef89
MD5 hash: 41615850b17ff0e5c9ea11e7b26e4ef2
humanhash: kansas-river-jupiter-yellow
File name:Industrial machine quote.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:534'528 bytes
First seen:2020-05-21 10:43:17 UTC
Last seen:2020-05-21 12:24:37 UTC
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:oDd0O4vuzUSjoammeahhSbB4XrJwp0oDr0hN4HLkk:oBb4vkUSjklahNo0oDQhNGgk
Threatray 10'578 similar samples on MalwareBazaar
TLSH 17B412627BFCA764EA610BF42831915023B3BB276676C92C1D45B1CE2D36B41C693B73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: opal.superdomainzone.com
Sending IP: 69.175.104.242
From: Gregory M. Simmons, CFP™<papelaria@derlipapelaria.com.br>
Reply-To: tphels@secretary.net
Subject: INDUSTRIAL MACHINES NEEDED URGENTLY........PLEASE SEND QUOTE ASAP
Attachment: Industrial machine quote.zip (contains "Industrial machine quote.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.49161.12086.16310.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-21 10:25:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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9daa42a9c9f129a3f0bb45e5de2b76b573d951237a637ba1a509a1ef0f9ff46a
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a70ab4bd1b993dda983bbaf6598fd015d696c2de7f4551b62dde8afa1f17dec7
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b826981f8021d62f3c3d2126a6a5f5b1f6c1591ee875a509985d595568c096a4
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AgentTesla
+ 10'568 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-wl7m13ym2e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
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

zip e0051accbbfeeca8279f9de3e36d284346de15ce28bcdcc707542ee614046d06

AgentTesla

Executable exe 4664b88274ef7c903d7eb7c18ab51ba8109640210334f648d696afcecf935ddd

(this sample)

  
Dropped by
MD5 a06b6eb93c99815ab73d6fbaceb59ae3
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 e0051accbbfeeca8279f9de3e36d284346de15ce28bcdcc707542ee614046d06

Comments