MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef39f799a276b70651440c8b7e61b9095567fe2ab3a2b35a7f61d9bd116eca7b. 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


Intelligence File information Yara 3 Comments

SHA256 hash: ef39f799a276b70651440c8b7e61b9095567fe2ab3a2b35a7f61d9bd116eca7b
SHA3-384 hash: 3e896db557a3f5f16f4ea0848fc2f6dd0b24a7800d0fe63117a03e350f17c5721b5698b9348009abcbb48b3ebd477ef0
SHA1 hash: 88df67f18966138bc3de5dc7485daef1af006ac1
MD5 hash: 81b83084ba6d55df81e62fe534167b28
humanhash: texas-eleven-california-purple
File name:Invoice and Bill Ladin.exe
Download: download sample
Signature AgentTesla
File size:428'544 bytes
First seen:2020-06-29 18:00:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744
ssdeep 6144:v8tv2x58mwC4Q5Ls1w7k13ZyqPX6J1nF3CUM6RultaOJkx5FAle1aGRMqrIvtHH7:v7zKQ2vo46JtF3rQaPE65R3rIvNe0mU
TLSH C094F164725C692FC67C15F94182660407F6E0357783FBDACDC6E7E824E6BF84A02A1B
Reporter @abuse_ch
Tags:AgentTesla exe


Twitter
@abuse_ch
Malspam distributing AgentTesla:

HELO: mmail.takproducts.co.th
Sending IP: 111.223.53.82
From: Chiara Guiducci <narumon@takproducts.co.th>
Subject: RE: INVOICE // PACKING LIST // DELIVERY ORDER
Attachment: Invoice and Bill Ladin.arj (contains "Invoice and Bill Ladin.exe")

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

Intelligence


File Origin
# of uploads :
1
# of downloads :
31
Origin country :
US US
Mail intelligence
Geo location:
Global
Volume:
Low
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-06-29 16:20:31 UTC
AV detection:
24 of 31 (77.42%)
Threat level
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla

Yara Signatures


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.

f0c8bd4a3de3c00a61c0198265cf0802

AgentTesla

Executable exe ef39f799a276b70651440c8b7e61b9095567fe2ab3a2b35a7f61d9bd116eca7b

(this sample)

  
Dropped by
MD5 f0c8bd4a3de3c00a61c0198265cf0802
  
Delivery method
Distributed via e-mail attachment

Comments