MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 878770eb180f92d911dbb519c93aac3b4b63269f45d8af9500f6a144e6635b7d. 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: 10

Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash:	878770eb180f92d911dbb519c93aac3b4b63269f45d8af9500f6a144e6635b7d
SHA3-384 hash:	4c998b744e049892eec5d5a38847cb8989b6ca9e235cfb2152bd59a8290fa25ec4dc809c5d7decb284e25472c9f67fe9
SHA1 hash:	25adea8afdf848170f5f856b08753342484a4f8d
MD5 hash:	c30e5daca83a1d7b33ccd24989b29a2c
humanhash:	sink-alanine-early-pizza
File name:	2020 Repeat Order. PDF File.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	427'520 bytes
First seen:	2020-08-12 14:32:44 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:yDMXGU+1JkmSRxrDvvCN3ABfQd6tDqkgj0W0wNlc:uMXz+1Jr+xrDvvCN3ABfLtsjs
Threatray	10'634 similar samples on MalwareBazaar
TLSH	6E94122D56A8C553D29D53BEB8A221840771E31A2407FFEECEE8D4E8167EF4218A145F
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: server.gunasenaputra.com
Sending IP: 103.31.233.6
From: Luci Yulianti <luci.yulianti@gunasenaputra.com>
Subject: Re:Repeat Order for August 2020
Attachment: 2020 Repeat Order. PDF File.rar (contains "2020 Repeat Order. PDF File.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44189/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Launching a process

Creating a file

Creating a window

Sending a UDP request

Using the Windows Management Instrumentation requests

Reading critical registry keys

Stealing user critical data

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/422825

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

Installs a global keyboard hook

Maps a DLL or memory area into another process

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: RegAsm connects to smtp port

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)

Writes to foreign memory regions

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/878770eb180f92d911dbb519c93aac3b4b63269f45d8af9500f6a144e6635b7d/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-12 14:34:09 UTC

AV detection:

14 of 48 (29.17%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=q6dxb2yyb6jnseo3wum4sovmhnfwgju7ixmk7fia62qujztdln6q._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

40d3ca5791d5b0dbbcfac86f352a5526dae74f9f828346b92b448787c654b331

AgentTesla

423c8c0b4eb6fc15b614326190cbd2b932f5480fdc1791ca9c03dc696ef61b31

AgentTesla

68b6aee99f9d4bf184c77beacb3b8a418f84a7efa606e5bd7f4fd57edb904054

AgentTesla

6dfcd16fd49c65c541603ff162b0614aabfc70548455b21c3877240855df12c8

AgentTesla

8be1266645d388fa35124c58831cbd83fdc9b6faac7ad44ddaf4b0f6b9d2fd09

AgentTesla

9752308c7c33970c7807d4ab84664591488445e4bfc8a403410c9171918636a1

AgentTesla

a465d738b180ef7304641b26840855fc15676b2d04a52b67388dc1cd55c29cae

AgentTesla

aee0659a73d3ce6eaaeafcfe545290f95e8e52c3f640fca9fcdb984a17ee27c0

AgentTesla

d3dc0fad4580b2c3d0f5bfe27fd99d66b20f2a2c65c219218f9e6628a9df5d2b

AgentTesla

+ 10'624 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200812-jxahnrwnd2/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/878770eb180f92d911dbb519c93aac3b4b63269f45d8af9500f6a144e6635b7d

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