MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b5fd16a3680333bc763cd5c9bdd1ea24a4387653503bef22c61f575f517cb6f0. 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: 7

Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash:	b5fd16a3680333bc763cd5c9bdd1ea24a4387653503bef22c61f575f517cb6f0
SHA3-384 hash:	9abd45dbad2388c0b0df66e53f29f3eb8d64551f40f5d5824e5e9d484c88f016ffc2fbaeaa168700ca924eb0638e67a9
SHA1 hash:	122225dd8472b8f04798e98949450309af949681
MD5 hash:	d830d0b6d5b25339992d3f2e5ccb4fc1
humanhash:	bluebird-white-carbon-robert
File name:	INVITATION TO BID FOR TENDER_.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	950'272 bytes
First seen:	2020-09-07 08:09:17 UTC
Last seen:	2020-09-07 08:35:48 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:kJ/5ci34fXBO0urmFxclAjyK4U2wvJavEnXfPxeGH4Pw9JhDFq3VKO+:W/5t/5rmYlAjRDdPnXfPxXBFq30F
TLSH	3215123953E89935E87F577C807042208BF9D121935BEB8E3EE854ACADD33935A531A3
Reporter	GovCERT_CH
Tags:	AgentTesla

Intelligence

File Origin

# of uploads :

# of downloads :

110

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/57623/

Detection(s):

SecuriteInfo.com.generic.ml.978.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b5fd16a3680333bc763cd5c9bdd1ea24a4387653503bef22c61f575f517cb6f0/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-09-07 05:09:20 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wx6rni3iamz3y5r42xe33upkessdq5stka566iwgd5lv6ul4w3ya._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer evasion trojan spyware family:agenttesla persistence

Link:

https://tria.ge/reports/200907-d5m48yb8la/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

Maps connected drives based on registry

Checks BIOS information in registry

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Looks for VMWare Tools registry key

AgentTesla Payload

Looks for VirtualBox Guest Additions in registry

AgentTesla

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b5fd16a3680333bc763cd5c9bdd1ea24a4387653503bef22c61f575f517cb6f0

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