MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 383afa9b82f107b9f040868f783c06115083de21eb8caa8a744a68c92782acae. 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:	383afa9b82f107b9f040868f783c06115083de21eb8caa8a744a68c92782acae
SHA3-384 hash:	7c1f10fedc0458cce279537701c5cb498c84dc2426fdf3a1ff46b95c1e5a6400c0b960298c79b1cbd8909ac178cbd102
SHA1 hash:	f0eae7fde23fa1a5ddb78059dae706c2611825fd
MD5 hash:	cf84bec40cdb8e07baca3e9f30307e94
humanhash:	pennsylvania-vegan-johnny-east
File name:	SCAN DOC RFQ WPQ-1904-0028NEW PO_PDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	627'712 bytes
First seen:	2020-08-12 15:45:27 UTC
Last seen:	2020-08-12 17:00:32 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:Co8HdE68aNR0axcfAxLfwsaRNfRLq4gFnozCu1n3thxwMUnaV:enkzfAxjwsKNVRCud3thxwpnI
Threatray	11'350 similar samples on MalwareBazaar
TLSH	52D4E0297644DD05D23A8B3AC6DB444483FABC1A6A22DB1E7FD733AD0A017B35B0255F
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mac-web.com
Sending IP: 87.245.120.22
From: newsletter@lichtprodukte.ch
Subject: RFQ : URGENT WPQ-1904-0028/NEW PO.
Attachment: SCAN DOC RFQ WPQ-1904-0028NEW PO_PDF.IMG (contains "SCAN DOC RFQ WPQ-1904-0028NEW PO_PDF.exe")

AgentTesla SMTP exfil server:
smtp.urban.co.th:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44296/

Detection(s):

SecuriteInfo.com.Backdoor.MSIL.Bladabindi.23004.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:

100 / 100

Link:

https://www.joesandbox.com/analysis/423131

Signature

.NET source code contains potential unpacker

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

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)

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)

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/383afa9b82f107b9f040868f783c06115083de21eb8caa8a744a68c92782acae/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-12 15:47:05 UTC

AV detection:

21 of 28 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ha5pvg4c6ed3t4caq2hxqpagcfiihxrb5ogkvctujjumsj4cvsxa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

6edf56bf042ac4f2cf12f3dcdd5704e71ddeee943463706513ba51123209bc6f

AgentTesla

86fb079125f93834e6dc2f5ef86c61c36f6a9dbae5338a42341f75bf329b06bf

AgentTesla

88d5500916ded187f8d33b6e16f29db7388374f977ad11d39733613085189d27

AgentTesla

8a6cdb7717a1c7db76da7b23406ca85b31e7f53a29c9ea29dd832dd821d3d44d

AgentTesla

9e685dbb18a96ef4d8877f5b516ab8e5821ae79512d7dfe011330633775c289c

AgentTesla

a5bc29d5e6f55ba05f61fff45175d9864ee0b311ad45baf0cfd65c74666da14c

AgentTesla

a85526e4a0f78afd83f57f2d084c0bd4b82846a06a0aef80c473905561dcfb60

AgentTesla

b1135688496020eb3e075121b22fb9c726c6021068ce415be82d8e48540dc563

AgentTesla

bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a

AgentTesla

+ 11'340 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200812-q1x9yczxe2/

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:

0.55

Link:

https://yomi.yoroi.company/submissions/383afa9b82f107b9f040868f783c06115083de21eb8caa8a744a68c92782acae

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