MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4843c3600fa75fd8e78f04641b3fc363a3ae5e453ecd72a1e7b8b6c25408e376. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	4843c3600fa75fd8e78f04641b3fc363a3ae5e453ecd72a1e7b8b6c25408e376
SHA3-384 hash:	a8bc614a72da845d5e60f70d52672ec38a136fa36373a46d540dab3464afff395294628f6e813edd6844fe6f853c2742
SHA1 hash:	29fa49d082aa8132ad676823fe2f324de023e3c1
MD5 hash:	0d225d65406249e78cded471a73c8742
humanhash:	may-mirror-early-twelve
File name:	Company Profile.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	773'632 bytes
First seen:	2020-08-14 10:09:37 UTC
Last seen:	2020-08-14 11:01:23 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:0zc71fhwfuu1k3pRnjY6P+5tqGszmjd2Y81Be/ukjucEkYIvj:D1efl1k3pRnzmPqGBu/puzEkZvj
Threatray	10'254 similar samples on MalwareBazaar
TLSH	E8F4013D22F1C409C87BF63C8159A04AB1EBAD5A58A0C7127EDD3EDE0E341E61596CF9
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: acteusgroup.com
Sending IP: 45.143.222.105
From: Alex Yeong <alex.yeong@acteusgroup.com>
Reply-To: Email ADMIN <noreply@domain-admin.com>
Subject: RFQ #1657 (MSA)- Price Inquiry
Attachment: Company Profile.rar (contains "Company Profile.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/45783/

Detection(s):

SecuriteInfo.com.Trojan.Siggen10.4036.30863.1301.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/429351

Signature

Binary contains a suspicious time stamp

Found malware configuration

Installs a global keyboard hook

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 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)

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:

n/a

Link:

https://mwdb.cert.pl/sample/4843c3600fa75fd8e78f04641b3fc363a3ae5e453ecd72a1e7b8b6c25408e376/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-14 10:11:06 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jbb4gyapu5p5rz4parsbwp6dmor24xsfh3gxfiphxc3mevai4n3a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1da9ad7dd4d68ace9a56cd237f683b6b0f25af7b28a6123b5659264fca2c7b0c

AgentTesla

270f03b20754cf26fb20202bb406bb4ecec144718a0850b7e926d0f25d705829

AgentTesla

374da77f56a763236c07c8313f3702534043524af5dda3b5d084e127e0c6450b

AgentTesla

9c93fbc5473c25600f4a7489ab89cd46e5bacda862da1b347fad0bdcbd4df50e

AgentTesla

e65672cd30a737479893bcee2e0d3842dd61e0bf882e476bdb53b00ff9a02379

AgentTesla

e999e044d228cd89941da0c841fdd1a94b896a23cb35961e4a791cefe229760a

AgentTesla

ea1b004cfce10e598de477d7fe8426a4eb230794e65951a19632f7fbb557355f

AgentTesla

ec34c3db0d2c865486e52760c0d35dab95adcb3544f2e03f5023495d112d64ba

AgentTesla

fa4be5c42a5ef8c05dc68b79b35275a896d1d107752b0fd10fd103146f938867

AgentTesla

+ 10'244 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200814-gmmaw6vd3x/

Behaviour

Creates scheduled task(s)

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:

Malicious File

Score:

0.87

Link:

https://yomi.yoroi.company/submissions/4843c3600fa75fd8e78f04641b3fc363a3ae5e453ecd72a1e7b8b6c25408e376

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