MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 adc1d0ac965e4544859c5db77841476f6e9f9fd0f0a8e6a57c4d72ab1de4a49f. 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 3 File information Comments

SHA256 hash:	adc1d0ac965e4544859c5db77841476f6e9f9fd0f0a8e6a57c4d72ab1de4a49f
SHA3-384 hash:	6370655cd2c97dfe68ea911a7d53e90b56f51f9e34f119a200b7f0dd641c0864495c2c9721603f8ab33e60aa25bbe8cb
SHA1 hash:	4cdbf177b9d389d071bb2cebcdf3c2e9ea254a5f
MD5 hash:	bfdc459c8b0b3d5602e3b7e82b358a3c
humanhash:	tango-twelve-orange-colorado
File name:	39a0e9cb.jpeg, PO - RFQ # 097663899 NEW ORDER.pdf.gz.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	1'183'232 bytes
First seen:	2020-08-03 06:56:22 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	24576:PuC06cakoBrNM+siM5fj9XxkhhvkNPmEERtKSD5LA41qY:PuPakoB+piwjfkhhvkJ3UwtY
Threatray	39 similar samples on MalwareBazaar
TLSH	1745DF99C6841A72EC9947795837CD32D723FCBE4438E24E25ED3C673ABB3861815A43
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: deemway.com
Sending IP: 103.99.1.149
From: Jessie Yang<jessie.xu@deemway.com>
Subject: RE: PO - RFQ # 097663899 NEW ORDER
Attachment: 39a0e9cb.jpeg, PO - RFQ 097663899 NEW ORDER.pdf.gz.rar (contains "39a0e9cb.jpeg, PO - RFQ # 097663899 NEW ORDER.pdf.gz.exe")

AgentTesla SMTP exfil server:
mail.framafilms.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Gathering data

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a file

Forced shutdown of a system process

Unauthorized injection to a system process

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/407309

Signature

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

Hides that the sample has been downloaded from the Internet (zone.identifier)

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)

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 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/adc1d0ac965e4544859c5db77841476f6e9f9fd0f0a8e6a57c4d72ab1de4a49f/

Threat name:

Win32.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-03 06:58:10 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vxa5blewlzcujbm4lw3xqqkhn5xj7h6q6cuonjl4jvzkwhpeuspq._file

Verdict:

unknown

AgentTesla

528d0007809c7002553af6f0e778ecd2ea005b446263a226fe8857d163d2c7a8

AgentTesla

6d0c9ea95d779737b7e9ea2a838a0efede90f1d3c6ce91943e65067a82631b81

AgentTesla

814a5dc8dbe791a8e554c6823eedb3b4e9bfcd1006901df2f3468f71d1dd8437

AgentTesla

8913dfdcb2c32518af2ed1836daac8559bd5b62c2fe2461463c49a5275bea4de

AgentTesla

9465c69c18144431c36b77e4b36534684c7717f1d9970eb522b8aef716dd2458

AgentTesla

c750ae55b3e3cf8c83f657da2dc436d6acd799172701d6bb70caf72f4656e747

AgentTesla

d8c72023bdedf6714432a1263bcf0348278b580ae0099b3d3b0403862c081ac2

AgentTesla

ef8f3aad596c9dbc0984355b2746342e0e672a588bc9be8d729cfaf5aced13b8

AgentTesla

f6bef06e07a604f0158a5cd3db9b6dda13ec88a9253b15d8bcf16e94c68eff44

AgentTesla

+ 29 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer persistence spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200803-qmmcxkry16/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Adds Run key to start application

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:

Eldorado

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/adc1d0ac965e4544859c5db77841476f6e9f9fd0f0a8e6a57c4d72ab1de4a49f

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