MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 48f5ec7f8dface6902c82f810be45ae1d8be5f3697afc232743b9153d46883a6. 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: 9

Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash:	48f5ec7f8dface6902c82f810be45ae1d8be5f3697afc232743b9153d46883a6
SHA3-384 hash:	a0aa57b034e2b656650506e00c6f7a5cf362723809765dc2dedec4c251294a04c13bcd5267a44072a8e1ef3fa1e0f38b
SHA1 hash:	7ca4219e4ea5ced3cbdd1dda78fc6c4e528d3e7c
MD5 hash:	039a8f835b9874a0bfa36542cd817588
humanhash:	zebra-december-sink-berlin
File name:	Payment ConfirmationPDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'046'528 bytes
First seen:	2020-08-04 10:10:56 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	24576:7eW+Tk1C0TY6NtUOOBwv6OyH2GBuJVJZ:S54xTY6NtUVBs6xXu1Z
Threatray	10'729 similar samples on MalwareBazaar
TLSH	DC257DC2F1449A51C86A4F3A8D23DA9443737D6AEF47D71634C4FA1B78E34C29A36683
Reporter	abuse_ch
Tags:	AgentTesla Citibank exe

abuse_ch

Malspam distributing AgentTesla:

HELO: cx0.75.swmianllc.ga
Sending IP: 188.166.241.127
From: "CITIBANK" <comercial@lusaro.com>
Subject: FW:Payment Remittance Advice
Attachment: Payment ConfirmationPDF.rar (contains "Payment ConfirmationPDF.exe")

AgentTesla SMTP exfil server:
smtp.arrmet.in:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/38443/

Detection(s):

SecuriteInfo.com.Backdoor.MSIL.Bladabindi.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Using the Windows Management Instrumentation requests

Creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/409119

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sigma detected: Scheduled temp file as task from temp location

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/48f5ec7f8dface6902c82f810be45ae1d8be5f3697afc232743b9153d46883a6/

Threat name:

ByteCode-MSIL.Spyware.Noon

Status:

Malicious

First seen:

2020-08-04 10:12:09 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jd26y74n7lhgsawif6aqxzc24hml4xzws6x4emtuhoivhvdiqota._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

474af782fd84f7b982a4c49deeaf3431aeadd1e52528dc7dd8e3bb29bde9c40f

AgentTesla

7c1edf2a2fd0fc1499931f60cd7363812513b4f410ae32677a7a63c355568ecd

AgentTesla

af7aa3b76b8d11ba1d518006e2b4ea6d574573bd2bba6594a57825e33f9ed87c

AgentTesla

b2528047a7c839ca84e666660705feb2bcda640a0d5686d063406446176f3cc0

AgentTesla

d4cca60154fcc667ada19dffbac16f84b51691a540daf850a766b91bd46544fe

AgentTesla

daa11a454d19db26e0628d81c0b187667405e26c08bdd466e43565d9b065c952

AgentTesla

db914bd57e726ca85a49a1747e81e86c89c3548ad941727a8d6c7d8b5eafa04f

AgentTesla

f1044b4d40e2d3df5e586d5c8c58e49fa4795eed6b6afb44b506efe4319f4d0c

AgentTesla

fd8099db1cfa62c7507e5d163096c9c558b653540cad6f8f0211e12f1f623933

AgentTesla

+ 10'719 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla evasion

Link:

https://tria.ge/reports/200804-qq738yftsj/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Maps connected drives based on registry

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Checks BIOS information in registry

Reads data files stored by FTP clients

Looks for VMWare Tools registry key

Looks for VirtualBox Guest Additions in registry

AgentTesla Payload

AgentTesla

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

Threat name:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/48f5ec7f8dface6902c82f810be45ae1d8be5f3697afc232743b9153d46883a6

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