MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d7834fcfcc6566637c03e6d09dfa4f8bd51ed085b6a7fc75b33d458947d2c997. 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:	d7834fcfcc6566637c03e6d09dfa4f8bd51ed085b6a7fc75b33d458947d2c997
SHA3-384 hash:	72fa1f000b955cb52f0e2e7ac933e526e67fb9bd508f22558eab514702fa132f79a682ff92efbc3a58fd4e14c5de5257
SHA1 hash:	8d229a101ae821c01d5af3addb4063c98a39e279
MD5 hash:	f988fdb69000424a89e909098c92e224
humanhash:	leopard-vegan-apart-michigan
File name:	Inquiry 500674 {ANSYS ENGINEERING PVT.LTD}.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	750'080 bytes
First seen:	2020-08-14 10:29:24 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	d244fe4d351a3cdd4f1c2ebd1ddbf641 (5 x AgentTesla, 2 x Loki)
ssdeep	12288:4KivrObZsPuuihDBgk+FqaBTmRi0Zckef95LIzRQaOZ89Hnysb80glrJ5WoTDq:47vqbZzuihDozTmUfzLIiDZ8R8JFJ5k
Threatray	11'434 similar samples on MalwareBazaar
TLSH	F0F4AF62B2EC47F3C1A7163D9C0B97A4D82ABE51EE6459463BF31C4C4F3938079261A7
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: ansysengineering.com
Sending IP: 45.137.22.133
From: ANSYS ENGINEERING PVT.LTD<mrkt@ansysengineering.com>
Subject: RE: Inquiry 500674 { ANSYS ENGINEERING PVT.LTD }
Attachment: Inquiry 500674 ANSYS ENGINEERING PVT.LTD.zip (contains "Inquiry 500674 {ANSYS ENGINEERING PVT.LTD}.exe")

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

AgentTesla SMTP exfil email address:
amazing.grace@ikrrispharmanetwork.com

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

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

Moving of the original file

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/429442

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Maps a DLL or memory area into another process

Moves itself to temp directory

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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/d7834fcfcc6566637c03e6d09dfa4f8bd51ed085b6a7fc75b33d458947d2c997/

Threat name:

Win32.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-14 10:31:05 UTC

AV detection:

24 of 28 (85.71%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=26bu7t6mmvtgg7ad43ij36sprpkr5uefw2t7y5nthvcysr6szglq._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

1610c286f6933db45cca3b92f09ab0eea7981fd11e1e502756ba57cb5bd75210

AgentTesla

20d66ddece0fa3ebb5a0573a7290ce696468ab27b55b99c37889ba6b4dab89ab

AgentTesla

410d119f0a143a7b3bb2f6cbf97f05667edba888e973858e0759c3c35db103be

AgentTesla

ba4979a761ce050060eaa66bd9506fda6a28c30a0ad727e1cbec0a3fed194f9b

AgentTesla

c5e5b876e4f9963e75d86311ae11ccef749f3d7c77ad038a69e9f338294b0a9c

AgentTesla

c757095a0bfa9293c10bc7636712784121ecc77ccf9780e7985dde509699c718

AgentTesla

ca8fc2087eb3f497942cb2919b50a244f3f029d11c940ac6692713bbd713892c

AgentTesla

d2008be18698ccf6675fcad98c927c33c2fae86f2a0120393df3e2e7936f5055

AgentTesla

d250e11368c9d3d7d9caa0d17af9580377d07f80bb2df5728e10148901582d08

AgentTesla

+ 11'424 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200814-x7e6rfplxe/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

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

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/d7834fcfcc6566637c03e6d09dfa4f8bd51ed085b6a7fc75b33d458947d2c997

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