MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40f62edaaf245e669c4c4de028657d8762862124d810e9f71184e0dc5ca23df2. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	40f62edaaf245e669c4c4de028657d8762862124d810e9f71184e0dc5ca23df2
SHA3-384 hash:	dcb9f384d231ad23e74c8a6ec685d74d83c8d86b49da8fb71e5663276165b1278f45a38deb0fe3037155be62a8f7591a
SHA1 hash:	6ff968f1287b499926518605d1d4e3405a5d577e
MD5 hash:	9b47246feeea57e036332ce0a59fe316
humanhash:	washington-skylark-earth-neptune
File name:	payment slip ..exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	593'920 bytes
First seen:	2020-08-31 10:49:16 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:fzICEZrDy4/pWds8b9KNcOZCLj6GgTt3Cvu0NnjI2nMgSJDiDC60hp7o6T+oNZqK:cvt7WdXgNcOZC/6GgMI2TS
Threatray	9'925 similar samples on MalwareBazaar
TLSH	F1C41261259DD72AE6FA1BF50C0E781DD2A0585B6C3EE78FE8D132CB13B07648716E42
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: server.travelkudos.com
Sending IP: 162.241.183.117
From: Head of Financer<hello@hungryghost.sg>
Reply-To: nurlu@ChemoLugano.com
Subject: FWD: Delayed Payment Due To COVID-19 Situation
Attachment: payment slip .z (contains "payment slip ..exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/53417/

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

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/455278

Signature

.NET source code contains potential unpacker

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

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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)

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/40f62edaaf245e669c4c4de028657d8762862124d810e9f71184e0dc5ca23df2/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-31 03:32:07 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=id3c5wvperpgnhcmjxqcqzl5q5rimije3aiot5yrqtqnyxfchxza._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

+ 9'915 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200831-ejag1k2k1e/

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:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/40f62edaaf245e669c4c4de028657d8762862124d810e9f71184e0dc5ca23df2

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