MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d. 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 2 File information Comments

SHA256 hash:	a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d
SHA3-384 hash:	b6ffe69ab30025e758d1b0d8fde18460e97d902cfce637e9a763db059c6712d4e0c4505b91dc4d8b2ad8b19b7ab3d36b
SHA1 hash:	0fdabb2ab789e43f6f6b0b2ac38616e7e7e3c153
MD5 hash:	c1c88b89126cf3d8666400275d2f6b8c
humanhash:	apart-wolfram-lithium-cardinal
File name:	ebuka.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	217'272 bytes
First seen:	2020-10-19 06:34:36 UTC
Last seen:	2020-10-19 08:24:07 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:3QSw3E3S3D3u3S3U3e3h3N363V353h3N3u3D3E3H3N3Y3e3o3S3N3E3h3h3o363B:gSw3E3S3D3u3S3U3e3h3N363V353h3Nm
Threatray	620 similar samples on MalwareBazaar
TLSH	96241EDDA1CC6DACDAF54DF80AE645420EE0B1E332D6D63A6EE60AC48594A10374FD3D
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: aland.net
Sending IP: 209.58.149.123
From: Procurement<jianxaou@aland.net>
Subject: China Business Proposal(ENGLISH VERSION ATTACHED)
Attachment: China Business Proposal English.pdf.zip (contains "ebuka.exe")

AgentTesla SMTP exfil server:
mail.soaluga.pt:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Detection(s):

SecuriteInfo.com.Trojan.MSIL.Agent.EOG.8435.25534.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

DNS request

Launching a process

Creating a process with a hidden window

Creating a window

Unauthorized injection to a recently created process

Adding an access-denied ACE

Creating a file

Using the Windows Management Instrumentation requests

Sending a TCP request to an infection source

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/494896

Signature

.NET source code contains very large array initializations

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Connects to a pastebin service (likely for C&C)

Found malware configuration

Hides threads from debuggers

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 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:

n/a

Link:

https://mwdb.cert.pl/sample/a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d/

Threat name:

ByteCode-MSIL.Infostealer.Stelega

Status:

Malicious

First seen:

2020-10-18 21:13:35 UTC

AV detection:

21 of 29 (72.41%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=urzvomz45x4jzvixixgnaou3ym3fhzvklxgoeikjgqug27dloj6q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

27bec5b0582b3447dfbf1e2cca8afae778532caa31b449bebb434d5468cbe3b7

AgentTesla

39a76f88dd2a2ebc1ef8a21c852813b486cb969d062a973610b60eeaef436e11

AgentTesla

5c3e3d39b5a83c245629704b440a8310ed5fe6c99bb559a0f69c0afde00fccce

AgentTesla

79402b00f9e23e5dbb45fc15a079b9308a0a890c7955d0e71e5d5489d9cdaca5

AgentTesla

9a55c48d0f35b724b84edcf878ab46d8be542560d5cae69c3c3bee1cee2a2bc4

AgentTesla

a02051e8bd0706ecb404bcc7df771bc035228890fc2ac09e1b2d02e686136520

AgentTesla

ca23807d51b989324e04dafc821c7611cf0ee25d04aa9a20c41a6b92303ca81f

AgentTesla

e6664f4dc05ada4dbb64eddc1fd5c2ef57214a83c55bfe65195d07adf17bcaca

AgentTesla

f010bc0295db81514c87fde7298f3425670ae67f4f24a21f20232a10eb644907

AgentTesla

+ 610 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger trojan stealer spyware family:agenttesla

Link:

https://tria.ge/reports/201019-p5wymc9fc2/

Behaviour

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Program crash

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads data files stored by FTP clients

Reads user/profile data of local email clients

AgentTesla

Unpacked files

SH256 hash:

a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d

MD5 hash:

c1c88b89126cf3d8666400275d2f6b8c

SHA1 hash:

0fdabb2ab789e43f6f6b0b2ac38616e7e7e3c153

Link:

https://www.unpac.me/results/7fc013b5-1ac2-4252-9157-120c4b3ac18f/

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/a47357333cedf89cd51745ccd03a9bc33653e6aa5dcce2214934286d7c6b727d

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.