MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77682fb2cd5b31c9c8f45afa66b50e52f0f55e37a66bd6efe0ebdf10fb52b5e0. 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:	77682fb2cd5b31c9c8f45afa66b50e52f0f55e37a66bd6efe0ebdf10fb52b5e0
SHA3-384 hash:	f06e1147f0a6444d8f746867e3c4e46ded99ac0d23dd84bddac66c52a7a4fe72365aea96f79164df9e2f1047e3cdd7ce
SHA1 hash:	b2c3509de0049d6172b45a8639d27ea996f347e8
MD5 hash:	d026d6d25bfd7f106f6acf63cdbece03
humanhash:	vermont-beer-neptune-east
File name:	RFQ.4414_122.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	649'216 bytes
First seen:	2020-08-19 12:41:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:gIy523u/6V9C/AxqcjzMTjBstGp/igdM48pVj28klC2jT4:h+AAmZgdApVjoC2jU
Threatray	9'412 similar samples on MalwareBazaar
TLSH	6AD41219369A6F2EE5786BFD6472116A17F0E0238331DE2DBFD550F80017F1683A4BA6
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: v87674.dpvps.com.au
Sending IP: 110.173.134.202
From: Bernardino López Fernández <bernardinolfernandezofficial@gmail.com>
Subject: RFQ.4414_122
Attachment: RFQ.4414_122.rar (contains "RFQ.4414_122.exe")

AgentTesla SMTP exfil server:
mail.mehatinfo.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/48510/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/437974

Signature

.NET source code contains potential unpacker

Binary contains a suspicious time stamp

Found malware configuration

Injects a PE file into a foreign processes

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 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/77682fb2cd5b31c9c8f45afa66b50e52f0f55e37a66bd6efe0ebdf10fb52b5e0/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-18 17:32:44 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=o5uc7mwnlmy4tshull5gnnioklypkxrxuzv5n37a5pprb62swxqa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

32e87ba877bda7e78b9d5c772d7e5a420c375db21b48a0de7275b5311f58aa92

AgentTesla

484e5bc2876eee8716634dbdb497aa5df345e2a489a6c75f8ec2acbb4bbdc0be

AgentTesla

70adcf8ee223dbe448d85361bb3c3c94d906fd176ceb172e6edaa45d25209e3e

AgentTesla

75452ea0fb7435cc2137e8a7c274a65f93a4898fc4e57ec3196c1720b4a9f9cc

AgentTesla

855e85de489ded4ca8e543cb8323c2d91e88c0e9d6ffe1c490f6133190c4d6c5

AgentTesla

a88a46932f47eec272474435c082a4bc552a13e41dee13ae9c140f20d119fc40

AgentTesla

b0fade864cb32de9110f513837a4e6b59e39ac4bf8bd7a3e0fbf54c305e4d006

AgentTesla

d3d2a5f1c622f67d7d1fb4a897e45b3daf5a41a1867219f71dec53131dff58b6

AgentTesla

fc87f06a5699c35bd0fd808b51c0b0558f112e5bb0158d7553a07456d3cd4ffc

AgentTesla

+ 9'402 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200819-ka4j5bhpg2/

Behaviour

Suspicious behavior: EnumeratesProcesses

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

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/77682fb2cd5b31c9c8f45afa66b50e52f0f55e37a66bd6efe0ebdf10fb52b5e0

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