MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac20f8f16efd13ea704488eb43b1a761f9e26bcdc70ac70d57cb15cbdab200bb. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: ac20f8f16efd13ea704488eb43b1a761f9e26bcdc70ac70d57cb15cbdab200bb
SHA3-384 hash: 64b623c6970f2a538e81f1fd260a99e75bd3fa489adb77634592436bfd5cce13248bd8dd4ccd20e21e0455b819574dd2
SHA1 hash: 4db4214043f39ff2cf7f8e66c0a497e6d4ca05d6
MD5 hash: cba5dffc82dfadc4b5b3a5b58f0715e3
humanhash: violet-india-robert-monkey
File name:Bestellnummer 4115272-072020.PDF________.exe
Download: download sample
Signature AgentTesla
File size:836'608 bytes
First seen:2020-07-24 10:55:03 UTC
Last seen:2020-07-25 04:37:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:n6gVShDE44QqzJ+K0IfStTwe0FW3rHX18MUkCVa3PqzeZLSDsGxOOvulh8rd1rqo:18m4k7f5e0arHX18Q/qFTMv8rd1eo
Threatray 10'907 similar samples on MalwareBazaar
TLSH 5F0527DDEEB16C1DD02CC631879959803271A7C6661ECE0E65F5361C9FF22CB3A06D8A
Reporter abuse_ch
Tags:AgentTesla DEU exe geo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.saglikliveguzel.com
Sending IP: 185.48.181.145
From: Marta Burghard <marta.burghard@ims-zeitarbeit.eu>
Subject: Angebotsanfrage (Bestellnummer 4115272-072020)
Attachment: Bestellnummer 4115272-072020.PDF________.gz (contains "Bestellnummer 4115272-072020.PDF________.exe")

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

Intelligence


File Origin
# of uploads :
3
# of downloads :
86
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Status:
Malicious
First seen:
2020-07-24 10:56:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Loads dropped DLL
Reads user/profile data of local email clients
Executes dropped EXE
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
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe ac20f8f16efd13ea704488eb43b1a761f9e26bcdc70ac70d57cb15cbdab200bb

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments