MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 822c61d76c4a9dc067978f8537aba073e1d90ccae770b89fc88993edde81386a. 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:	822c61d76c4a9dc067978f8537aba073e1d90ccae770b89fc88993edde81386a
SHA3-384 hash:	aae5db6cda8dad27c278592b0fae0a09582a24c620f3720ee122b56009dc33f45f5fb2e3e34a9e697273dfa6cac9b83a
SHA1 hash:	419bea9087dfe69729f3934423d425299286d1cc
MD5 hash:	5950a30c626de687c54a0ce64c956ade
humanhash:	india-quebec-foxtrot-delta
File name:	audiodg.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	711'680 bytes
First seen:	2020-08-12 18:58:55 UTC
Last seen:	2020-08-12 20:01:19 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:vrqc5xLfsJKuMO/Jdyocgn2y84XERKUxiuhVZt+8o:Oc5xjsj9Pyj+lrEDxbtTo
Threatray	11'302 similar samples on MalwareBazaar
TLSH	56E4E026B2858D01D26A4B36CAE6552003FABD167636DB1E7F9B339C0D323B3571219F
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: srv01.business-class-mobility.com
Sending IP: 51.91.128.229
From: Salim Kumar <info@almulla.ae>
Subject: proforma invoice
Attachment: proforma invoice.xlsx

AgentTesla payload URL:
http://worldwideinterationalwidewordsystem.duckdns.org/audiodg.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/44487/

Detection(s):

SecuriteInfo.com.Backdoor.MSIL.Bladabindi.23114.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/423735

Signature

.NET source code contains potential unpacker

Found malware configuration

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)

Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)

Sigma detected: System File Execution Location Anomaly

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/822c61d76c4a9dc067978f8537aba073e1d90ccae770b89fc88993edde81386a/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-08-12 19:00:10 UTC

AV detection:

22 of 29 (75.86%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=qiwgdv3mjko4az4xr6ctpk5aopq5sdgk45ylrh6irgj63xubhbva._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

70d86fc8d1247dcd26ed0927411614973d45216d676978f768e14cb16d362536

AgentTesla

7e1e492f4f7ef7b70a4a0084dcb1be4e13fda74af33dfdaa8b006cf204522627

AgentTesla

8a6cdb7717a1c7db76da7b23406ca85b31e7f53a29c9ea29dd832dd821d3d44d

AgentTesla

9dc9ad5a5c2a56c7155bc775dc4b1d53c995f1498678a1ddb5d23010dd11c889

AgentTesla

9e685dbb18a96ef4d8877f5b516ab8e5821ae79512d7dfe011330633775c289c

AgentTesla

b7b8c2b1de957151098bf5806ac0b4a90eeb9f61dd211176072b3b3ba21c23cc

AgentTesla

bc83749e54465e28ddd8d7d615088989b9c17ab971969c536cef06f94887d51a

AgentTesla

e7b11adb00aa3b9264a0f647ed236e547d635674418e1a45d282913244d07ae0

AgentTesla

efa3422b648b4ad5e66a973700c15abc250b772f9e699565c86909f817b54396

AgentTesla

+ 11'292 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200812-b2l5j42gsx/

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:

NJRat

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/822c61d76c4a9dc067978f8537aba073e1d90ccae770b89fc88993edde81386a

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