MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9d2e1648eb5b6ac43f87569aa94768d261700b36fd610ac222dfdecd73006a4. 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:	b9d2e1648eb5b6ac43f87569aa94768d261700b36fd610ac222dfdecd73006a4
SHA3-384 hash:	b1ac7a8696a62ded1c9a901c4b48f77dd279efb307eab875e4b9ad609daa0c8155781758d8a77f2a180abdaa7ac0efd0
SHA1 hash:	855fcf58f560db73c3107b9da8802165d0eee4f9
MD5 hash:	8ba36b62c7832438a6f756000532f3ec
humanhash:	south-illinois-may-hawaii
File name:	Product description.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	663'352 bytes
First seen:	2020-07-25 07:51:31 UTC
Last seen:	2020-07-25 08:57:21 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	6144:bjdQ+yXgIQ8Ov+CjF0JsS7bXXMWOw0SWWPtGPXX4pt82go0mh502GjsEFFGGy4UZ:byCIEv+OFRW0ShloCf9527GGy4JG
Threatray	10'910 similar samples on MalwareBazaar
TLSH	45E47D05AA810849CC3D57B0647E9D91B25F7EEAB9B4D60D2A9E73643FB31D3362310E
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: oxygen2.web4africa.net
Sending IP: 169.255.59.11
From: piahildebrand@sbeiu.xyz
Subject: Re: Product description
Attachment: Product description.zip (contains "Product description.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin

# of uploads :

# of downloads :

116

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/32350/

Detection(s):

SecuriteInfo.com.Artemis8BA36B62C783.2785.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

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/397897

Signature

.NET source code contains very large array initializations

Contains functionality to register a low level keyboard hook

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

Multi AV Scanner detection for submitted file

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 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

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/b9d2e1648eb5b6ac43f87569aa94768d261700b36fd610ac222dfdecd73006a4/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-25 04:51:43 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xhjoczeoww3kyq7yovu2vfdwrutboaftn7lbblbcfx66zvzqa2sa._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

0c7692b1d78094cd9a2f5b4f89ed11dae4c370cc8acdff603a1a5f6328a2bd40

AgentTesla

2a267254b993ac07447ffa6e2085d2e93f6dafa334c53f65d109d92082d1c350

AgentTesla

415dde31bb66f5a6fa3b7ec84d5c1c33c4c6c7038e897dee5b562d8ce70246a9

AgentTesla

5ab5e18b5ffe74e4c3ccf07f2e19f2daf006338022e64806b284eb8e0f0e1c15

AgentTesla

5da82dd52f913ff5d416ec5479133a0f89cd5d835d2fbd964f32191f642ca9fa

AgentTesla

918973702e97922d932c32d86618ebd35116fb2d67a93cafd0f53a5b7b30da29

AgentTesla

a4da467fed5249b5013e1dc1daa882e15b94fb97ac5a3ee9c2a8abc5a7cfffc0

AgentTesla

b7d226784dbf8f2a77af4b279116c799e50e20c99154baed7bfac4c91d5c9b2c

AgentTesla

ba4c584519a8fa8a90a906dea86ebe75bb3464190a152467d32ebdefcfc4e643

AgentTesla

+ 10'900 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200725-ycftmcanxs/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious use of SetThreadContext

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Reads user/profile data of local email clients

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/b9d2e1648eb5b6ac43f87569aa94768d261700b36fd610ac222dfdecd73006a4

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