MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a. 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:	bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a
SHA3-384 hash:	c4e4ef1f5b388075206713cd82002bc5890b474527f17bcb1357aa9fc47a3ccbff6577ed5caf5386b2e52b5a2d48fcd7
SHA1 hash:	ec1949814104c3e56e7c8a81b76199595b6c8a98
MD5 hash:	5e322f6dc42d6992265fdd5a7c347554
humanhash:	pluto-bluebird-moon-london
File name:	RFQ324_Supplying Stationery RRM.pdf.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	628'736 bytes
First seen:	2020-08-13 05:43:59 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:ptAzz+PTj+xLfBpdfvEhRsZr7DlkAcBoFkl7S4eHs1d4iFM:ptszaTj+xjBbEsZryAcBo0SqM
Threatray	10'842 similar samples on MalwareBazaar
TLSH	F6D4D02976918D01C27A5B3ACA97800053FABC076A72DF1EBF97239C0D527B35E1259F
Reporter	cocaman
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44801/

Detection(s):

SecuriteInfo.com.Trojan.GenericKD.34344097.21135.14971.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a UDP request

Creating a window

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/425078

Signature

.NET source code contains potential unpacker

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

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)

Sigma detected: Suspicious Double Extension

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 an obfuscated file name to hide its real file extension (double extension)

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-12 09:26:10 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xsbxjhsuizpcrxoy27lbkcejrg44c6vzogljyu3m54dpsseh2una._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

822c61d76c4a9dc067978f8537aba073e1d90ccae770b89fc88993edde81386a

AgentTesla

8a6cdb7717a1c7db76da7b23406ca85b31e7f53a29c9ea29dd832dd821d3d44d

AgentTesla

9dc9ad5a5c2a56c7155bc775dc4b1d53c995f1498678a1ddb5d23010dd11c889

AgentTesla

9e685dbb18a96ef4d8877f5b516ab8e5821ae79512d7dfe011330633775c289c

AgentTesla

b7b8c2b1de957151098bf5806ac0b4a90eeb9f61dd211176072b3b3ba21c23cc

AgentTesla

c94d487888c8ca1365ca24c759333f11589c4a744f5174292c961bba808ee7a1

AgentTesla

d5151bd37aa74ce1a5782e72bf26630f2df07f1e7cbeb42f45aa2f49645c35a8

AgentTesla

e7b11adb00aa3b9264a0f647ed236e547d635674418e1a45d282913244d07ae0

AgentTesla

eda8f8050e6734ff91e0c51870b8d02977546fae360385c9c398c95d9fee6be0

AgentTesla

+ 10'832 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200813-elmn752zga/

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:

Kryptik

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a

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