MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a55012ee806885f057a2317d3bf72f3b7e43a77c1d1d75f142b73676ec52c6c4. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a55012ee806885f057a2317d3bf72f3b7e43a77c1d1d75f142b73676ec52c6c4
SHA3-384 hash: 60e690984484615cd1622dd28288430e38fa6f1b32538e5e16d66ae39a4b2fdd9c5179e074384b127c347432c8baa227
SHA1 hash: c6adcae4ed08b25063c0df24bb67b1f772ac011f
MD5 hash: 972a096d897c2cce9887d32209f61959
humanhash: mountain-idaho-illinois-arkansas
File name:proformainvoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:418'304 bytes
First seen:2020-05-19 14:27:44 UTC
Last seen:2020-05-19 15:42:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Ythmk4RqPMyDvbnf+YP9jT7Qqf7pQ82GICciFuFCXkj7o6h/NhHxiS8f51z5BeqI:2CqPjbnfR1jlC8XICc/FCXaMJ/XyfbF
Threatray 10'743 similar samples on MalwareBazaar
TLSH 309402852BFE1B11E1BD8BF855A1A01057F130DA7A86F7195CD2B4EF2127FE06660E23
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: divella.it
Sending IP: 23.254.247.78
From: Tianyu Shi <spedizioni@divella.it>
Subject: Re: NEW PRO-FORMA INVOICE
Attachment: proformainvoice.zip (contains "proformainvoice.exe")

AgentTesla SMTP exfil server:
atn-com.pw:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.47202.16224.17191.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Agensla
Create hunting rule
Status:
Malicious
First seen:
2020-05-19 14:37:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 31 (74.19%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uvibf3uancc7av5cgf6tx5zphn7ehj34duoxl4kcw43hn3csy3ca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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978d51366e13c76915194bf67170b7431115e1962eddee9debeb3f8c89d77a88
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ba4587bb7fef7fe60afcde3742183472840eaf7ef122669ae3f94eaad245fd7f
AgentTesla
+ 10'733 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-nf4bg4v44e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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
rezer0
AgentTesla
CoreEntity .NET Packer
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 99d623f75a541bd87a9d583720ee08b02de86b85c8534c6d36cfd7345b4347da

AgentTesla

Executable exe a55012ee806885f057a2317d3bf72f3b7e43a77c1d1d75f142b73676ec52c6c4

(this sample)

  
Dropped by
MD5 bd40f295fda4b533b9ed1fd0f514ba00
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 99d623f75a541bd87a9d583720ee08b02de86b85c8534c6d36cfd7345b4347da

Comments