MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23435f105ddf404a326b4a18d051d76dd91ea1f8079675dc642c87363e12eab4. 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:	23435f105ddf404a326b4a18d051d76dd91ea1f8079675dc642c87363e12eab4
SHA3-384 hash:	a6c3e6033611d3905708507c1c8e84eecd39f6b1683f5716f3aaf3557a0754c82fbc27178f1dc841e2b2e077d7955bc3
SHA1 hash:	54903d61d8f4db0fa9ddf6bfc4c4bf413df9ae45
MD5 hash:	26d0ef6adee0aeaae646ba6ba41b2e0b
humanhash:	oregon-december-oranges-minnesota
File name:	PO. FSTG-2005007 DOCS_PDF.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	656'896 bytes
First seen:	2020-07-30 08:07:56 UTC
Last seen:	2020-07-30 09:58:31 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:bHxAaZ8LZ4mJgb4WJWtygbK2FeHsK1wBw+lVlddIKeHD9gvEOeCQI2cThd:bot4ugbrJ9gbK9sKoBlVmKCpGQI2cThd
Threatray	10'650 similar samples on MalwareBazaar
TLSH	6AD4D1293284BF5EC26F4E3684550900E7E0EDB71703F78B7CD27ADC6D6E2596E22192
Reporter	abuse_ch
Tags:	AgentTesla exe SendGrid

abuse_ch

Malspam distributing AgentTesla:

HELO: wrqvzrvn.outbound-mail.sendgrid.net
Sending IP: 149.72.229.130
From: Da-Hae <tkuntelia@usa2georgia.com>
Subject: PO. FSTG-20200017
Attachment: PO. FSTG-2005007 DOCS_PDF.img (contains "PO. FSTG-2005007 DOCS_PDF.exe")

AgentTesla SMTP exfil server:
smtp.urban.co.th:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/35406/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Launching a process

Creating a file

Forced shutdown of a system process

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/403363

Signature

Found malware configuration

Initial sample is a PE file and has a suspicious name

Installs a global keyboard hook

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)

Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)

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/23435f105ddf404a326b4a18d051d76dd91ea1f8079675dc642c87363e12eab4/

Threat name:

ByteCode-MSIL.Ransomware.TeslaCrypt

Status:

Malicious

First seen:

2020-07-30 08:09:08 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=enbv6ec535aeumtljimnauoxnxmr5ipya6lhlxdefsdtmpqs5k2a._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

1ee2d1e645387a169bdc6a904e47b6a2546e4d34546733b4aedb7bb22371f90a

AgentTesla

36de45886141a52528387c263e8cf8e4748a18b5198a9cefc1c1fb389e6eb663

AgentTesla

59dcd83a970ad6a06178eca59bd9c3bf0e7911af14bd2e0d706b060d8801ed0b

AgentTesla

6e9ef93b4bb2c7ea78dbba96cb34e747294454c2d142276329951e580044ddd3

AgentTesla

739a47a35b973adcd916d90d15a99c82f6614c2059334078fb6d548a3c7bb690

AgentTesla

88cfd3c2ab74230042107cd9a42dc7e6489ac254700fb20d66395f65de780d3f

AgentTesla

8982509c213f138ffee3d2e0a307d8cf454d5b23f0b23b6e26c05c68972e22a8

AgentTesla

91aec1cffe5f0160137ab5d98b28a1c381465abbb7ad8c2c1c8dd6df05345e34

AgentTesla

970db37b1b904855cd21d80818893f3b1d739dd9ecaaf8a38237c07e0d455d8c

AgentTesla

+ 10'640 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200730-k1ph731cfa/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of SetThreadContext

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Reads data files stored by FTP clients

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/23435f105ddf404a326b4a18d051d76dd91ea1f8079675dc642c87363e12eab4

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