MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab13f3cf7de54784a1fe4cb2957e019ce6c9564c63eb11f42b4ee80762e51179. 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:	ab13f3cf7de54784a1fe4cb2957e019ce6c9564c63eb11f42b4ee80762e51179
SHA3-384 hash:	a0155f54125b074da002024469fd66f7df7cb6e10f6d59190a13eadbad0ea30f96df3a57d740c7f92cbe6de2826a9edc
SHA1 hash:	ff6fc41d7c15719ca70d44f0fb4ef0d901c2a5db
MD5 hash:	a637661f202c7adc40abb283158dadbb
humanhash:	three-sweet-hamper-ink
File name:	UPdated_SOA.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	715'264 bytes
First seen:	2020-08-03 13:23:14 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:ApQSIQhg1jLGms2sgWkpxqJ//yBtaJmgb9A+XvTrjbPlNfv+jM:nTcmggWkPqR/yCJx9Hj7lp
Threatray	1'152 similar samples on MalwareBazaar
TLSH	49E4CE1C3BA0856AF19A1FBE5D7651429D34F80B9D2BF38F25B4622C487A39C9C41F63
Reporter	abuse_ch
Tags:	AgentTesla exe Raiffeisenbank

abuse_ch

Malspam distributing AgentTesla:

HELO: mail.dizaynnet.com
Sending IP: 136.243.77.54
From: Raiffeisenbank <mobilyamuhasebe@tetrihome.com>
Reply-To: helpdesk2811@yahoo.com
Subject: STATEMENT OF ACCOUNT - JUNE/JULY
Attachment: UPdated_SOA.rar (contains "UPdated_SOA.exe")

AgentTesla SMTP exfil server:
mail.pkstyles.pk:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/37860/

Detection(s):

SecuriteInfo.com.Generic.mg.a637661f202c7adc.12736.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:

100 / 100

Link:

https://www.joesandbox.com/analysis/407984

Signature

Found malware configuration

Injects a PE file into a foreign processes

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)

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 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

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/ab13f3cf7de54784a1fe4cb2957e019ce6c9564c63eb11f42b4ee80762e51179/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-03 13:25:07 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=vmj7ht354vdyjip6jszjk7qbtttmsvsmmpvrd5blj3uaoyxfcf4q._file

Verdict:

malicious

AgentTesla

2da5a5b8cdbb40f408d11f1d9dddc7d92e3eb42e88b7d7641cef839b90561aed

AgentTesla

4f965aee8b694528d2d11d5a80eeee466959650ffcd12b5f0fc28d3a11709e27

AgentTesla

53af62936f7cb4fcbcb2775be40606aed87def8af75821520ebd857dc91370c1

AgentTesla

6cb4b1c8e7a9db252978470e2971438bc9cb1e4036c6dfdeec7229af1f7d56b8

AgentTesla

c523252072f5911950614d6a91d16036b0128c10458f05a4ab0b7a3221780c1a

AgentTesla

c7ef577b1f4ed52125ba91adb3ae69578179afc6826b08acb7aa10641d8c2e96

AgentTesla

d1d753678c6c2a9e8957c508adc44ccd35c79592a826e973528ec146f33d558c

AgentTesla

e5c5c9d753512a626d7bc4e6a14191b3db75290da5046b7d4d5fd4acc2ed3460

AgentTesla

ef47e6b46e818e6f3110202391cca1ba74b312d9e2d11dd66e62b59c60b49cda

AgentTesla

+ 1'142 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200803-8zddf6g63x/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetThreadContext

Reads user/profile data of web browsers

Reads data files stored by FTP clients

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:

Suspicious File

Score:

0.55

Link:

https://yomi.yoroi.company/submissions/ab13f3cf7de54784a1fe4cb2957e019ce6c9564c63eb11f42b4ee80762e51179

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