MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 57e06d364efb34c1e83e57e1bebf4bfe796bfdebfede5d8ad6c9235b99954043. 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:	57e06d364efb34c1e83e57e1bebf4bfe796bfdebfede5d8ad6c9235b99954043
SHA3-384 hash:	45bc50fe42fc51ab2299687033f616444e1799a78b9822df498f02244e42d11f20474ef78b8a179165ac0b644a32302e
SHA1 hash:	e7a156d2d7f8d2c1620550b2efce283cb3861e6d
MD5 hash:	f6c07bd6d47560c6340b92253e66fdce
humanhash:	paris-steak-whiskey-item
File name:	87400934562.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	537'088 bytes
First seen:	2020-08-05 17:11:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:wMPMpUOn+ZCF1QZchXSMpLhWI60gu/f7upjH:wKMpUOn+4F1QaI04D6jijH
Threatray	10'615 similar samples on MalwareBazaar
TLSH	D0B4D03126585F76F47D93B89421250563F6F61BA323FEAE7DF900CB4892F914B22A13
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: moon-smtp2.sfdns.net
Sending IP: 220.158.200.82
From: Ahmed Essam <info@masterbuildingmaterials.com>
Reply-To: info@masterbuildingmaterials.com
Subject: Urgent Request For Quotation
Attachment: 87400934562.IMG (contains "87400934562.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/39862/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

Unauthorized injection to a recently created process

Creating a file

Enabling autorun by creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/411712

Signature

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

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)

Sigma detected: Scheduled temp file as task from temp location

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/57e06d364efb34c1e83e57e1bebf4bfe796bfdebfede5d8ad6c9235b99954043/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-05 17:13:06 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=k7qg2nso7m2md2b6k7q35p2l7z4wx7pl73pf3cwwzervxgmvibbq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

2a19861b5542b7a76129c027376c7c3902e38ab5d9914722af6b13eff1a28973

AgentTesla

39526c337781027d89c2b2bab838ffcf78648792c4547d83b4dba7c6a26c0885

AgentTesla

3ae1d5294542b34ed3a65d9b467d07a50146e561193e5923dd37dc3abcf81a57

AgentTesla

74a4f01410127eb8a0cbfaaf9f8c60eb31bf8aad55599ba514d6ef02c9f660ff

AgentTesla

75660f3d7f461c0559cabf3c76e0b44fad9ecb7fa85eb41a59b9c4192ef7f079

AgentTesla

82e78f0c4c0c6064ba96cb12c0a4a9094b57a49540a053fe27f290f12e3afca1

AgentTesla

99018a172fc8ca8a7cb4435e90e2f162064516d1d1c09f9545ae11741cbc7804

AgentTesla

a10ce1d521b78847258cb7f037351b7af8c78391907bbfd78b513ea5345e37a5

AgentTesla

a85526e4a0f78afd83f57f2d084c0bd4b82846a06a0aef80c473905561dcfb60

AgentTesla

+ 10'605 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200805-68drkaen4s/

Behaviour

Creates scheduled task(s)

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

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:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/57e06d364efb34c1e83e57e1bebf4bfe796bfdebfede5d8ad6c9235b99954043

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