MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d7463ce4864f02ca4b9db4adbad0e5c3733c027592bd1f696375fe892688b3c. 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 4 File information Comments

SHA256 hash:	3d7463ce4864f02ca4b9db4adbad0e5c3733c027592bd1f696375fe892688b3c
SHA3-384 hash:	ddca9779d08c651098fa01116f3eb6ceb9330a250794fbbb82c17852c573a7db669d99adfd8c1c23044c72f7c5d58663
SHA1 hash:	8c672a541128d31621df25ae8e27dcc1da326484
MD5 hash:	b351716a108f0c0cc80674e2b00bf7be
humanhash:	berlin-oscar-queen-hawaii
File name:	Oferta OF-201208.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	766'976 bytes
First seen:	2020-08-12 18:32:14 UTC
Last seen:	2020-08-12 20:01:29 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:0Rwy//Ek03+l03+2LwejxLfuwlYGGz2Pv3G/h12BA1hOhFDawvmp4:wwy/v03+l03+2LLjxjuAnGKP+51wA1h2
Threatray	11'390 similar samples on MalwareBazaar
TLSH	95F4C02573A5A823E27A7D35CAB7511407BBBC53353DC70E5ACD32CE98303A99D107AA
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: blue104.dnsmisitio.net
Sending IP: 186.64.119.226
From: Pedro Fabbri <pfabbri@bruening.cl>
Subject: RE: Oferta Comercial
Attachment: Oferta OF-201208.zip (contains "Oferta OF-201208.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44436/

Detection(s):

SecuriteInfo.com.RSharedStrings.13377.7692.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

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/423653

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Binary contains a suspicious time stamp

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

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/3d7463ce4864f02ca4b9db4adbad0e5c3733c027592bd1f696375fe892688b3c/

Threat name:

ByteCode-MSIL.Trojan.Skeeyah

Status:

Malicious

First seen:

2020-08-12 18:34:07 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hv2ghtsimtyczjfz3nfnxliolq3thqbhlev5d5uwg5p6retirm6a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

063985c69258d467865f4b77a36da0b357897d760764589523783d8d8680dc5f

AgentTesla

1023c7d9224250cd2a21a365f5b9a5f434180acd13fd22acda7d8b34915c5757

AgentTesla

174229f02ec49094835e609fe32d2985382603a64a990dfe23dd2d71a3f0a00a

AgentTesla

6fa521f676916e485cd1a3c2c38062c84248294d9ffdcaa5674c2d73df7c1e42

AgentTesla

b3cbf1f12ae225e86e853b5a9c100248eac70557eaffff26020cdc9d165f3ff9

AgentTesla

d35fb96cdb750bf65e1480f01ecf5b772b562a69a4721bf2437a62aa920e8ced

AgentTesla

e4a2831ae3ee0aae7fa80df415ccb3774ef85aa9ca7f9f41e18bd603cd72c7bc

AgentTesla

e51adcf99928f26014b6993369a60a9d4371759f23ddbd4d0df10105ce6de848

AgentTesla

f8a0ada1c983c16a3ff6b107c2a04cac970e51ba9bec2514771271af03b7b9fc

AgentTesla

+ 11'380 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200812-26exmxykte/

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:

AgentTesla

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3d7463ce4864f02ca4b9db4adbad0e5c3733c027592bd1f696375fe892688b3c

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