MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13115d9faa05c1bfa921a587d03e71a727b6be5c589f83a458287691491ed378. 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 5 File information Comments

SHA256 hash:	13115d9faa05c1bfa921a587d03e71a727b6be5c589f83a458287691491ed378
SHA3-384 hash:	049c8b775a260cd01276096e8d45f2ebc652f02ac2790c301945183b1ae78baa76c8e809978c82b2388c703b6f15dfbc
SHA1 hash:	b530a69d43a2f38da0fba848cfa9f20ad45424bc
MD5 hash:	e534d44bc1becbb44e78734d7344daae
humanhash:	bakerloo-montana-moon-johnny
File name:	RTGS_NEFT_ADVICE.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	563'712 bytes
First seen:	2020-10-26 15:14:23 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:0V/4rjvGiO9C6aE1BybiOtirEm6EQNwFJ:JO9C6L67dm6E3FJ
Threatray	369 similar samples on MalwareBazaar
TLSH	7DC4AFB27C92587ECA6F077550A985C0FAB616C73FA48B0D71AF430C0F11A2BAB53657
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: cloud.optimusinfosoft.net
Sending IP: 173.237.190.149
From: Accounts<sumant@devimetals.in>
Subject: Re: Payment Detail
Attachment: RTGS_NEFT_ADVICE.7z (contains "RTGS_NEFT_ADVICE.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/79263/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a file in the %temp% subdirectories

Creating a window

Creating a file

Creating a process from a recently created file

Unauthorized injection to a recently created process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/512052

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Allocates memory in foreign processes

Injects a PE file into a foreign processes

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 virtualization through RDTSC time measurements

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

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/13115d9faa05c1bfa921a587d03e71a727b6be5c589f83a458287691491ed378/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-10-26 08:38:12 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=cmiv3h5kaxa37kjbuwd5aptru4t3nps4lcpyhjcyfb3jcsi62n4a._file

Verdict:

unknown

AgentTesla

157447fce775d3e303f51839e30994daedd62b93460ef617385ef8027585647d

AgentTesla

538796eab271c26afcd8fbd9da301c3b0122b1f44ae02b976857ece6faf9a15c

AgentTesla

5fb23e7a8d39bc15fc97d7f216e8806bff57c1281ec73b44d74272e17dc0105b

AgentTesla

6b2888cc6f4f233acad6a7548e72cfcce28ab97931c987cf8c1243a39b44aa34

AgentTesla

a56c4971d725640fe582ff4f884612d1a59b18d60206099a9c8099168a3c446e

AgentTesla

aa92ca49b0f84494890222ae164a725e2ff94d9a5e996cc124fbdcbe2f0882d5

AgentTesla

c9b3c7ce6446a64df017cf3301ab24a7993b1336befdec8bab77332fe783e4d4

AgentTesla

d8c5ed4ace96bbc860ea11b87f2aae892ebc3322687686024df7e0ff5f4f148a

AgentTesla

ef4c04da2b5fe6ce33597d1dbe44a8b84b156cb1bd03b3a3f8d8c9dabede075b

AgentTesla

+ 359 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/201026-m2ahtxsxq2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Executes dropped EXE

AgentTesla Payload

AgentTesla

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

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_extracted_bin Create hunting rule
Author:	James_inthe_box
Description:	AgentTesla extracted

Rule name:	AgentTesla_mod_tough_bin Create hunting rule
Author:	James_inthe_box
Reference:	https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/

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