MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3886eb1b9dccfe19438624f3462b2e1a65b685b82fee327e0291855dce28a2d0. 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:	3886eb1b9dccfe19438624f3462b2e1a65b685b82fee327e0291855dce28a2d0
SHA3-384 hash:	ba0c6413b7bb7351bfe3bd8820c26aba3a234f7676a0589f3a0011399a5a03f055a776a9f092042ffd35279dfd537891
SHA1 hash:	f55e8f1e02f8104fce3d3d9745192c6e215999df
MD5 hash:	15fc8801def3df32435a90a4b3623af9
humanhash:	wisconsin-football-india-three
File name:	po.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	741'888 bytes
First seen:	2020-07-17 16:25:40 UTC
Last seen:	2020-07-17 17:23:32 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	27d51e235cad906c9b906ace63cad627 (3 x MassLogger, 1 x QuasarRAT, 1 x AgentTesla)
ssdeep	12288:a+eY4CTOV6w0mZP3fSyTF+4ISgm3Jz7VQrCCD5fBSWnNp4QJ34NEcIpjkhEg:pN4P4w06fZF+OgkOfwWRcEcI2
Threatray	12'016 similar samples on MalwareBazaar
TLSH	24F4AF32E7F14837D16316785C1B566CA836BE103A3869872BE45C4C5F3978D38EA29F
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: silvershadowhost.com
Sending IP: 198.23.60.197
From: Alice Yan-Q <sales@jeragh-lighting.com>
Subject: RE: RE-CORRECT MARKED ITEMS ON REVISED PROFORMA INVOICE
Attachment: PI 0056397582.img (contains "po.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/27474/

Detection(s):

PUA.Win.Adware.Slugin-6803969-0

PUA.Win.Adware.Slugin-6840354-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Unauthorized injection to a recently created process

Connection attempt to an infection source

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/389156

Signature

Contains functionality to detect sleep reduction / modifications

Detected unpacking (changes PE section rights)

Detected unpacking (creates a PE file in dynamic memory)

Detected unpacking (overwrites its own PE header)

Found malware configuration

Machine Learning detection for sample

Maps a DLL or memory area into another process

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)

Sigma detected: Capture Wi-Fi password

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

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/3886eb1b9dccfe19438624f3462b2e1a65b685b82fee327e0291855dce28a2d0/

Threat name:

Win32.Infostealer.Fareit

Status:

Malicious

First seen:

2020-07-17 13:07:01 UTC

AV detection:

26 of 29 (89.66%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hcdowg45zt7bsq4getzumkzodjs3nbnyf7xde7qcsgcv3triulia._file

Verdict:

malicious

Label(s):

agenttesla

hawkeyekeylogger

AgentTesla

6ee05acf3d5f5180f7c89274a4d8c5018b50b59b699f4eb13935db42b6646762

AgentTesla

72e0ffc575732f02776d9ece5069dfecea43dd0ab266b69770f33b758e1dadc6

AgentTesla

84132d4f227025b1375d4278c8af2ecc02049dd698ccd6e8787e6bb0de016465

AgentTesla

86a2e56ee55ab1b4756afd6b62c5cc6c40de81b374803e668400873968452c5c

AgentTesla

97938446027c2f5c4c5eeebff3b37cb3812da2fe45f092fbe84da5c590a25a85

AgentTesla

a6df90a24c8100b2ce198b1d3aee1f5bc78d6ab846911a58a0183f4c72912217

AgentTesla

de1d1aff1d7ab389137414faef7f0a2d192d6cf7ab5ed79549c4fdce17e36cd1

AgentTesla

df7f92de3a57f9655e1ec74676f4f8aca5ca866a10889a4e88b8e668032f531a

AgentTesla

fa482d8c31df688e69dd251c1ced2c142961cb1bb42e65f2344b356fc94f0336

AgentTesla

+ 12'006 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

upx spyware persistence keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200717-s9nqwx2h2j/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Modifies service

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

UPX packed file

AgentTesla

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

Threat name:

Unknown

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3886eb1b9dccfe19438624f3462b2e1a65b685b82fee327e0291855dce28a2d0

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