MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38ecd57921a840d35175c49b2b251138e87f8e9a54170362871ee8753ef1f43. 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:	b38ecd57921a840d35175c49b2b251138e87f8e9a54170362871ee8753ef1f43
SHA3-384 hash:	1715f069a35c833adf8883764e0cd089bfb39bcc0a1732e390d99f39c4dc383c29f187dab9934a99003d3bff0fc8f17c
SHA1 hash:	54952bb45a24f3bce8cb11d7d7149c1012521180
MD5 hash:	342273ec5a0cdb00c6176eec12d8a3a9
humanhash:	oranges-lake-robert-spaghetti
File name:	13 W04-BOD01 MOLD.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	401'208 bytes
First seen:	2020-08-12 06:47:25 UTC
Last seen:	2020-08-12 07:58:48 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	3072:elZXzdgTwuUb1pFZWFEK7dhkpn/cQ901IS+HebuEQ3cMRxaLmINKmNTvg10Bk8WK:gBz+Oc36cQ9A+HEo5RULPNKaTv7CkSOh
Threatray	10'983 similar samples on MalwareBazaar
TLSH	B0846E322D420034D8BA16F6C4D4EDC166722A4A3F968A2F26D7C30C5E5395B3BA5DDB
Reporter	abuse_ch
Tags:	AgentTesla exe MailChannels

abuse_ch

Malspam distributing AgentTesla:

HELO: bumble.larch.relay.mailchannels.net
Sending IP: 23.83.213.25
From: Ivaylo Iliev <sales@bkoikn.xyz>
Subject: RE: CNC mold quote (BOD01 Mold)
Attachment: 13 W04-BOD01 MOLD.X.uue (contains "13 W04-BOD01 MOLD.exe")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/43959/

Detection(s):

SecuriteInfo.com.FileRepMalware.18780.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Unauthorized injection to a recently created process

Creating a file

Using the Windows Management Instrumentation requests

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

88 / 100

Link:

https://www.joesandbox.com/analysis/421514

Signature

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

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 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)

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b38ecd57921a840d35175c49b2b251138e87f8e9a54170362871ee8753ef1f43/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-12 06:49:05 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=wohm2v4sdkca2nixlre3fmsrcohip6hjuvaxanriohxiou7pd5bq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

4e4023f2d5ba6bf0595fb6dcac7c04564239d0ff25408a1aa9c36e1d08ae57e5

AgentTesla

6c77b454db79850455c97fece27e8b924c7b41ffcd43a7cc0941b26d2fb6454b

AgentTesla

7d2920d5d35befdc5d3e33201e437bdd9ed564762a1643e7282d96c1c2e65faf

AgentTesla

84e0b5e6daeb11cdca531a22315506ee74a14bd6b0ae9c563fde694aa955867a

AgentTesla

882e76f42c2b167e6bbef37b58c44b9a7234e7c154d9b30b7da9071611f3bc0b

AgentTesla

9018fc4955a89ca4996540770fb9d7ed349810b9e4f6724ade1be9c6288015ed

AgentTesla

d9a54b911ce6a7a42de09baf6fa4f4004a509897e131ea61769f8554041e0f55

AgentTesla

eddcda48d1058487f653995ae77469d407cd02a7b2bf9d6059a61ddeeaa83f70

AgentTesla

f6dc39be69fcb6613defba0c9d8428d71c2a02b118383d4a49a66c6139e690fd

AgentTesla

+ 10'973 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200812-gw6f9fw5ke/

Behaviour

Suspicious behavior: EnumeratesProcesses

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:

Legit

Score:

0.00

Link:

https://yomi.yoroi.company/submissions/b38ecd57921a840d35175c49b2b251138e87f8e9a54170362871ee8753ef1f43

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