MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca95425436aac743f7817abd5e129f37965b1190f8e36ed24787ab30ce31b4f4. 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: 9

Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash:	ca95425436aac743f7817abd5e129f37965b1190f8e36ed24787ab30ce31b4f4
SHA3-384 hash:	b2a09c56519b898de51458c257cf2bab6b7f37e1b1df4ea820bdc283e049743ea9e44df3606dfd647e05b65d866a16fa
SHA1 hash:	bcf1126e56c5dff41daa8c539f3bd5f625274cee
MD5 hash:	a1c71cb8ab2678ad77daf28fbea35dc0
humanhash:	fruit-golf-venus-two
File name:	LSCRWCS232.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	448'512 bytes
First seen:	2020-08-19 07:26:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:zj9gyfQqpXRfUz54GVrCXUMwjHWGZacxaxydgKSU067ViVQ:zhg1qI14SDvZacxaxTU
Threatray	10'703 similar samples on MalwareBazaar
TLSH	5294F1587544F28FC83E8D7AE5690DB0037039B75A17F2425C53A9EE9E2DFC28E058A3
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mail.cantalupilighting.it
Sending IP: 31.27.11.130
From: Scott Woodman <info@ecodelnord.com>
Subject: Purchase Order
Attachment: LSCRWCS232.gz (contains "LSCRWCS232.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/48275/

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.405.23003.24300.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

96 / 100

Link:

https://www.joesandbox.com/analysis/436966

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

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 detect sandboxes and other dynamic analysis tools (process name or module or function)

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

Tries to steal Mail credentials (via file access)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/ca95425436aac743f7817abd5e129f37965b1190f8e36ed24787ab30ce31b4f4/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-18 16:04:10 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zkkuevbwvlduh54bpk6v4eu7g6lfwemq7drw5ushq6vtbtrrwt2a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

3635089459144adafcae9fe463065b9c67dab179b0822f685fd630a7d5821b51

AgentTesla

673aa6ede02270b33f4a7058ec4e31eabd688ca4c75037ed4a7f92470a42a271

AgentTesla

6f873c8396d0097485898068e51d5b9bc771a109fbe95a4c261dea424374d114

AgentTesla

8ae81522b85b942557d654bd85f719d2a8b539106e787c451f0d2856effc6ca4

AgentTesla

a705182124fc8edc6f253f7dac1eabcfbc72d1fcebe9f00830076d85b8a81a66

AgentTesla

af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5

AgentTesla

b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835

AgentTesla

c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927

AgentTesla

f511a2d93bb17f7818597fd8a11b7916bc852712b7d5974dda8cad4bd7535c5b

AgentTesla

+ 10'693 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200819-y37182gb16/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla Payload

AgentTesla

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/ca95425436aac743f7817abd5e129f37965b1190f8e36ed24787ab30ce31b4f4

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