MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3fd98f22e44b06271c6a46b217d59ba69b4bb181400d3fc1efe5cf9ca540a19. 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:	c3fd98f22e44b06271c6a46b217d59ba69b4bb181400d3fc1efe5cf9ca540a19
SHA3-384 hash:	9ac4807c84eeb539a1586da0effb7a9d905d3a49fc352f0c2caa380d4288cf7bea3e0457b12622ee65f8bef654901d19
SHA1 hash:	4b3683bcbcdb012e9b893114be21628367c53274
MD5 hash:	ff4070850fc86fe8416a0d94109028c3
humanhash:	vermont-sink-finch-six
File name:	PO-0065GBMH.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	565'760 bytes
First seen:	2020-07-16 08:35:40 UTC
Last seen:	2020-07-18 18:25:54 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:0q5JQHy0Q2k4zUhUMxMXgJWuWBWrcg/hHn2Yx6/Xi7J:L50KqGIBWIm
Threatray	11'110 similar samples on MalwareBazaar
TLSH	52C48DDC3510719EC55E8D7649A4ED70A6206D23F7FBE203A3C36E9F793D586CA042A2
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: cube-graphics.com
Sending IP: 95.211.208.25
From: Fran Copper <accounts@cube-graphics.com>
Subject: Re: Inquiry (PO-0065GBMH)
Attachment: PO-0065GBMH.arj (contains "PO-0065GBMH.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/26557/

Detection(s):

SecuriteInfo.com.CAP_HookExKeylogger.14597.30630.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Using the Windows Management Instrumentation requests

Enabling autorun with Startup directory

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/389485

Signature

Installs a global keyboard hook

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)

Sigma detected: Scheduled temp file as task from temp location

Tries to harvest and steal browser information (history, 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

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/c3fd98f22e44b06271c6a46b217d59ba69b4bb181400d3fc1efe5cf9ca540a19/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-16 08:37:06 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=yp6zr4roisyge4ogurvsc7kzxju3joyycqanh7a67zoptssubimq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

10d1594d46dc4811da3d8750ba88f09fc7b0c884abebbe5d905fe893aa7fde3b

AgentTesla

23cba12e54801ae7ac42c0ac1265e00b1fdf475ea316af361b647d1f7d35ad19

AgentTesla

2f32d708b0b5b6b6bbd476e029d0609c4a5444650a7d4ce53bd476af0b90d4d3

AgentTesla

310c22c27c21f9552c0b7ec5d0c78e0870984a0432758835e07a502175181c5b

AgentTesla

4007480b1a8859415bc011e4981f49ce2ff7a7dd7e883fe70d9f304cbfefedea

AgentTesla

54d7bb96a72dc01cfc92a11805ecbd13d7e3c5b8f38bee450d164a5f19e7cef6

AgentTesla

672890fe585891106f1f8b275f6084f6ac05855aae825a2c0ada8899da2be91d

AgentTesla

aed6c9d200b86186575d13e40ed7231c61bba34c0159c19ca6428168019da4f9

AgentTesla

b0fcbd261a94dd884ba982c70ca14676610a4c582d442aa015402e54701e4b3f

AgentTesla

+ 11'100 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

7/10

Tags:

spyware

Link:

https://tria.ge/reports/200716-q7vh53dvdj/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

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.

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