MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ef9a45a617adf0e0ff740e37c865325289a110394725c393c314a3128a2575f. 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:	6ef9a45a617adf0e0ff740e37c865325289a110394725c393c314a3128a2575f
SHA3-384 hash:	dbd75fbc9e199861eda0da46f5b95f25df8b555a45eac83f658d11fc4c98cc53140edd3e097577ae02023724aa166cb3
SHA1 hash:	588f9228813df9fbad2fe1e67bf24984613a853f
MD5 hash:	050ae1e55bc621adde8ba33140ca1cc7
humanhash:	oklahoma-sweet-cat-white
File name:	SOA_1300003150.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	607'232 bytes
First seen:	2020-08-31 09:18:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep	12288:l+xfYXLlKrbbfobHpr0oVDcGSHKhkIuLxLQx85jS+DiDC60hp7o6T+oNZqF4:9XLlMkbl07H/Bx8C5j
Threatray	9'981 similar samples on MalwareBazaar
TLSH	7BD4221A551C4BEEEAF70EF6740D7B2DD3600E63502DCBDE58A872DA41A27944363E83
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: hlag.com
Sending IP: 37.49.230.8
From: doc.dhl<doc.hk@hlag.com>
Subject: BL HLCL Sh#86365840 Doc#HLCUHKG2008AUCR5
Attachment: SOA_1300003150.zip (contains "SOA_1300003150.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/53340/

Detection(s):

SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Reading critical registry keys

Setting a keyboard event handler

Stealing user critical data

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/455096

Signature

.NET source code contains potential unpacker

Found malware configuration

Installs a global keyboard hook

Multi AV Scanner detection for submitted file

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 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 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

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/6ef9a45a617adf0e0ff740e37c865325289a110394725c393c314a3128a2575f/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-31 02:59:36 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=n342iwtbplpq4d7xidrxzbsteuujueidsrzfyoj4gffdckfck5pq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

5220d301d37cfd6af5ae073de240fd781669ce08436115e1176ec475d7fc9c57

AgentTesla

55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4

AgentTesla

a4a7810facb6a01422c96f844bf7a537f4b6968190bc1c1de57810e73caa58ff

AgentTesla

abce854dbb1be834088423c8a911d7111cd6d205b9f6b44be000652860fa03c6

AgentTesla

b642527e686b781a602fb322e7d34d0f18748778de42a0e3774d9990a71e2c92

AgentTesla

b8ec1ded95201cba9116bdefb483f6c8e08f9e1aba6f114113b71a4ab01587ef

AgentTesla

c4d5fab1e5e40cf0377d5eaca0e427d01fcd61495743ea4290d8745163e84e56

AgentTesla

d4eec3387fde66fc5b45135db86b9fcdebcb75e199fe9be1a834d89cac6b9d13

AgentTesla

f0e20dc9aafe9043231c48c4de5c58324c9ed4b1cf1ba479a0fbed7c7f0bbb0f

AgentTesla

+ 9'971 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200831-68h742xdha/

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

AgentTesla

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

Threat name:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/6ef9a45a617adf0e0ff740e37c865325289a110394725c393c314a3128a2575f

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