MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 885f9d6937a0f07103509cc5bc1ec2e65550bd8fe56682cf00dac66e62012675. 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 3 File information Comments

SHA256 hash:	885f9d6937a0f07103509cc5bc1ec2e65550bd8fe56682cf00dac66e62012675
SHA3-384 hash:	6654521fb8ffbf3e692921e2833b792e31f1614b52b34cab0822500a21ecee051605e7ca368aabb6d83f53ebedc0aadc
SHA1 hash:	625c108838cc5f1004b6448b8dac9db633e2aa5f
MD5 hash:	4e19c98566275228601a1dbabf4ce261
humanhash:	double-mirror-wolfram-fanta
File name:	Sürgős fizetés 008400650189.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	452'096 bytes
First seen:	2020-08-05 12:11:02 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:HXfmVGJb4e86E7zCYnZgpXSR9Tlal8dW1oO0N6hr7f:HXfWGN4exijZgpX+Ta801oO0N6h
Threatray	10'723 similar samples on MalwareBazaar
TLSH	57A4F12C32909959F57A1E3FAC3105838E62F88FCE62D61B197511AA453E28DFC78F61
Reporter	abuse_ch
Tags:	AgentTesla exe geo HUN

abuse_ch

Malspam distributing AgentTesla:

HELO: mx.domainorias.hu
Sending IP: 217.13.104.181
From: Istvan Simicska <istvansimicska@freemail.hu>
Subject: Sürgős fizetés 008400650189
Attachment: Sürgős fizetés 008400650189.7z (contains "Sürgős fizetés 008400650189.exe")

AgentTesla FTP exfil server:
ftp.fratellidelpiano.com:21

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/39563/

Detection(s):

SecuriteInfo.com.CIL.HeapOverride.Heur.28046.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/411189

Signature

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Injects a PE file into a foreign processes

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)

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/885f9d6937a0f07103509cc5bc1ec2e65550bd8fe56682cf00dac66e62012675/

Threat name:

ByteCode-MSIL.Trojan.FormBook

Status:

Malicious

First seen:

2020-08-05 12:12:08 UTC

AV detection:

27 of 29 (93.10%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=rbpz22jxudyhca2qttc3yhwc4zkvbpmp4vtiftya3ldg4yqbez2q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1809bf5f2c3064e604efdce2de7bbb8a112f99752766dd4a84235ec92c69a489

AgentTesla

1c34317a5796aab26b69fb848d1c79bf97801d1d0286fda330819f4e6f57932b

AgentTesla

206e8466e10c69648fb2f5884e6d45a1e127019d58fd18988b40c1d7bfe9c116

AgentTesla

8be1266645d388fa35124c58831cbd83fdc9b6faac7ad44ddaf4b0f6b9d2fd09

AgentTesla

8ec6be5f0aa7e1ac4aae554d03ab7189f5523fcbc0fda6eba1261d952b3a3246

AgentTesla

9a99082664fba770485b23172f61bdd349863e9803d7a01170e1839026c6a0fb

AgentTesla

aa9df4f8056100406310008515c2504dfe2a1aeea23991ad9b3737aa711c7589

AgentTesla

b3c6c2e2e5effd624cf69538b95a8332c8a1d135d69242d24374f13f000dab0a

AgentTesla

e86142f3f4772825135e389edefa8b13db71930958ea6611a6287bf644cc5414

AgentTesla

+ 10'713 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-5gprfs4lrx/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

AgentTesla Payload

AgentTesla

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

Threat name:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/885f9d6937a0f07103509cc5bc1ec2e65550bd8fe56682cf00dac66e62012675

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