MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb87b42e953c6ef0db1288c7f65aacc88e0fa50e8a3162a07002642b304f2146. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	bb87b42e953c6ef0db1288c7f65aacc88e0fa50e8a3162a07002642b304f2146
SHA3-384 hash:	ceb6875e0c6627ec0007f091beeeda5cf0a7174fb5286259c2a0041d49861fe6c54b2d44f552da82c04f0493bb07e222
SHA1 hash:	17336d21b7a941e60f5f641b4115dce4692648a4
MD5 hash:	fe7f660711c293fdee5869d3092002a4
humanhash:	monkey-foxtrot-georgia-charlie
File name:	JXTEApproved050820.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	864'768 bytes
First seen:	2020-08-05 11:42:51 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	4bae7147ec04d935db5914fb885560bb (11 x AgentTesla, 3 x MassLogger, 2 x AZORult)
ssdeep	12288:Oz7G/lsTGbsiZQfwgZLObQINANWz3O6Ex7FxBwWyyxnqOlDqvuNBrXtZg:OetNafLLOM9QKlNwWfxSuhZg
Threatray	11'806 similar samples on MalwareBazaar
TLSH	2705AF1EB3E08837D1F2163DBC1BAFA4583E7D512D389A463BE4ED4C5E386503A25297
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: DS8419085.clientshostname.com
Sending IP: 185.159.82.57
From: choi Tae <ChoiTae@ejabgroup.com>
Reply-To: choitae532@gmail.com
Subject: Fwd: Ejab Grup JSeries Approved List
Attachment: JXTEApproved050820.zip (contains "JXTEApproved050820.exe")

AgentTesla SMTP exfil server:
mail.uniplastics.co.ke:26

AgentTesla SMTP exfil email address:
info@uniplastics.co.ke

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/39472/

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

SecuriteInfo.com.Variant.Graftor.807433.11886.16799.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Sending a UDP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/411025

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Machine Learning detection for sample

Maps a DLL or memory area into another process

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file access)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/bb87b42e953c6ef0db1288c7f65aacc88e0fa50e8a3162a07002642b304f2146/

Threat name:

Win32.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-05 11:44:08 UTC

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xod3iluvhrxpbwysrdd7mwvmzcha7jioriywfidqajscwmcpefda._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

127670364822f9ec0ec2c9c7270830fdf703f03bbdc95db93b63579f2fc991fd

AgentTesla

245d4abbb0e7f27ec6526904c2a4fb22abc8fafaa63bd80bb7193f9a9a58b204

AgentTesla

28558516b6b4912e36105c566322d9e4a47a0fca0847c55227683c51834e98e9

AgentTesla

4fa84ddee70c59516a5727fa29bf70e548550592998cfc07b9b2b80325756b35

AgentTesla

a5efbcb25b4339ea9e004364c443afaadb86353cce9dcd9508115bda5a57be88

AgentTesla

bcb3a08ff39258f04e54ccb4ec531754fb2ece9755d92885f7f5c298d29897e4

AgentTesla

c7202ac90daa5d696736a32eff2c930eba08332c9416ff6a464ce3ea17f414f9

AgentTesla

c82a750c5a0dcc2a923f97b3bfbba13fd302144fdcdab020f7c7c94e24892807

AgentTesla

f7c64b437d10f5483b3a78cbf4a08f22cd829c60515c312d2bd21e1a37e250ce

AgentTesla

+ 11'796 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-zy6sapln12/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: MapViewOfSection

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

UPX packed file

AgentTesla Payload

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/bb87b42e953c6ef0db1288c7f65aacc88e0fa50e8a3162a07002642b304f2146

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