MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecefae0dfdd4a990c942fc9dcc0b375796922dcf03420de8d17e4529eea9632e. 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:	ecefae0dfdd4a990c942fc9dcc0b375796922dcf03420de8d17e4529eea9632e
SHA3-384 hash:	88a63c3af690faec5c4c60cbdc82342b064af089ecec318cf2ee5c763b4fb311c9300dda1d0da485a826730ef341a8de
SHA1 hash:	dea9aa05ff8c55c3137fd7d259c6e364010f42b8
MD5 hash:	7a22ffa2026bebda703819447b20828c
humanhash:	pizza-fourteen-fanta-sixteen
File name:	Purchase Order 88885550000.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	920'064 bytes
First seen:	2020-08-04 15:23:38 UTC
Last seen:	2020-08-04 15:56:35 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:x+kpHcPgYxmOE+2Do4pPeRH89fy9zXl4nFv6ogs7GUL7L/c+nUSDV:KIYxPeVZl83SFvLd7PU+V
Threatray	10'735 similar samples on MalwareBazaar
TLSH	5015BFC5F1409D50D82A4E3B8D3349918B33AC6BEF42C607349CB6596BF76866A35F83
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: websmtp.net4india.com
Sending IP: 118.67.248.33
From: Ade GoodChild <accounts@tbase.in>
Reply-To: adegoodchild2019@yahoo.com
Subject: Purchase Order
Attachment: Purchase Order 88885550000.arj (contains "Purchase Order 88885550000.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/38813/

Detection(s):

SecuriteInfo.com.CIL.HeapOverride.Heur.18979.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/409702

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

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)

Sigma detected: Capture Wi-Fi password

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 harvest and steal WLAN passwords

Tries to steal Mail credentials (via file access)

Uses netsh to modify the Windows network and firewall settings

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/ecefae0dfdd4a990c942fc9dcc0b375796922dcf03420de8d17e4529eea9632e/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-04 15:25:07 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=5tx24dp52suzbskc7so4yczxk6ljelopanba32grpzcst3vjmmxa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

6c13cac565c109b9a426bb931a2d3d4b5e846e16a6a30f78076e0d2bdfe4577f

AgentTesla

7607102eead4fb3d71ed2c2b492eb4828d5c544576102aaa94d29debce0f211d

AgentTesla

7931c2fc08b888aee9fdcebc85e09b814f280227a2320692a3966328c78d7dbb

AgentTesla

7f53bd572119fdf76ecbbd85af8c3605a989a01d1fe3121353afff651b8ddfe6

AgentTesla

9463f129f4dec7224eb12c262e080ffa58c104bde38104319ab69d2fdb8919ee

AgentTesla

ae959627b8dce98a55d585f5a930fe4b7209059b0ccc59ed81b916268ca85478

AgentTesla

b9ec899a1cb59794313ed0db3e338dbc43970785be52cf756b0d33588c0064d8

AgentTesla

ccd6e2bc024bef356625393048a9a1206fd968bfcf327a36c9e17debd06da5c6

AgentTesla

eced8139c7651d297e4bc18c9b8783b76ffa477c07e09b269739d8b6fa0d14de

AgentTesla

+ 10'725 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware persistence trojan family:agenttesla

Link:

https://tria.ge/reports/200804-7ae3pzb93s/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetThreadContext

Modifies service

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

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/ecefae0dfdd4a990c942fc9dcc0b375796922dcf03420de8d17e4529eea9632e

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