MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 05d23e1815e35ccd6ad40fac39e0d03ff3e7223bb7c1ad5a6b36548bc133047c. 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: 7

Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash:	05d23e1815e35ccd6ad40fac39e0d03ff3e7223bb7c1ad5a6b36548bc133047c
SHA3-384 hash:	5355f803599c87067294d1568508488c9d4005ccca1fbe2b487694e72d8329fa67d25d0c59c05b4749e355c0fa671781
SHA1 hash:	cec131e883d2a6de67efc06cb18c880e33db6564
MD5 hash:	781bfe75a1b61cf72df74ec27ea09a67
humanhash:	music-comet-mirror-arizona
File name:	Halkbank.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	712'192 bytes
First seen:	2020-10-27 10:35:48 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:zAWW5MqHN4z1iKN5E8xMGATcaGLTv9MH2rhQntflLZ2DPnv2jNYXN4FE5Wd0LzQY:8lVHN4cKn2VkT4ttLZ2rTe8p/
TLSH	27E4BEAC325375DFC857C5B6C9A42C24AA513FA7831B8217902371EA993FA93CF145B3
Reporter	abuse_ch
Tags:	AgentTesla exe geo Halkbank TUR

abuse_ch

Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 209.141.49.224
From: HALKBANK <HALKBANK.E-EKSTRE@halkbank.com.tr>
Subject: T.HALK BANKASI A.S. 27.10.2020 Hesap Ekstresi
Attachment: Halkbank.z (contains "Halkbank.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

100

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV3

Link:

https://www.capesandbox.com/analysis/79820/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/513350

Signature

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

May check the online IP address of the machine

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 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:

n/a

Link:

https://mwdb.cert.pl/sample/05d23e1815e35ccd6ad40fac39e0d03ff3e7223bb7c1ad5a6b36548bc133047c/

Threat name:

ByteCode-MSIL.Trojan.Masson

Status:

Malicious

First seen:

2020-10-27 03:31:33 UTC

AV detection:

25 of 28 (89.29%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=axjd4gav4nom22wub6wdtygqh7z6oir3w7a22wtlgzkixqjtar6a._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger trojan stealer spyware family:agenttesla

Link:

https://tria.ge/reports/201027-gsstfw6jxj/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of SetThreadContext

Looks up external IP address via web service

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

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.