MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c94596dbfbc9fde422a8f6b20fc6e488d9fcd33931e0e2e07430824eeff8a04a. 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 4 File information Comments

SHA256 hash:	c94596dbfbc9fde422a8f6b20fc6e488d9fcd33931e0e2e07430824eeff8a04a
SHA3-384 hash:	2cc46c0bb475385a12a042b2d5a0498a00fccfbe282a32f59ba1409d1522c6911104b43d9d74c40c0653c0bea857122a
SHA1 hash:	133cb0200309be4089f1c60ecb9c0db1fb66f551
MD5 hash:	8dc8dd6ff7a50bf1bdcdaeea069a4ae6
humanhash:	vegan-johnny-burger-lake
File name:	INV2020.06.09974.DOCX.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	339'456 bytes
First seen:	2020-07-16 06:59:40 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	6144:ndjAnWfL6gGl73AVk4zUr0Kqrjtlo1d3gYCzRVD2Ic78Q6:ngWfLk2k4zUYKqrzo1d39CzRVD2Ic78h
Threatray	4'220 similar samples on MalwareBazaar
TLSH	2674F6DC3910719EC94F8D768964DC70AA202C62F7FBD20663C36E9F793C597CA152A2
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: lokin.com127.0.0.1
Sending IP: 2.56.8.61
From: info@andafish.info
Subject: RE: Invoice INV2020.06.09974.DOCX - incorrect bank details
Attachment: INV2020.06.09974.DOCX.img (contains "INV2020.06.09974.DOCX.exe")

AgentTesla SMTP exfil server:
happygarage.ro:587

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

Ispy

Link:

https://www.capesandbox.com/analysis/26415/

Detection(s):

SecuriteInfo.com.CAP_HookExKeylogger.26787.15745.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating a file in the %AppData% directory

Creating a file in the %temp% directory

Launching a process

Creating a process with a hidden window

Deleting a recently created file

DNS request

Sending a custom TCP request

Forced shutdown of a system process

Enabling autorun with Startup directory

Unauthorized injection to a system process

Result

Threat name:

AsyncRAT

Detection:

malicious

Classification:

troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/389373

Signature

Connects to a pastebin service (likely for C&C)

Machine Learning detection for dropped file

Machine Learning detection for sample

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AsyncRAT

Behaviour

Behavior Graph:

Download SVG

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/c94596dbfbc9fde422a8f6b20fc6e488d9fcd33931e0e2e07430824eeff8a04a/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2020-07-16 07:01:11 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=zfcznw73zh66iivi62za7rxerdm7zuzzghqofydugcbe537yubfa._file

Verdict:

malicious

AgentTesla

24a00145d774f6aac5b11be0188c88f4b9485e626f464e94bb355db0e2ad0f93

AgentTesla

6d64f2c47bc182a160e02ceebb8e194dd627fb83d762f9d1609d4f1d7cf3ff89

AgentTesla

80f73360664b173a59e37be245fe1b791a61c74649e6a0f15ae5dc7fb984cfdc

AgentTesla

8210f4c4fedbca54d332df8d9e672cef8a4424695c2ffce581bf526a1537be27

AgentTesla

8b1417b74ac31f2e60a6a9f5ed507caf06026191354ce0e4b6bf0816fd3f512d

AgentTesla

ce81c54992ea435794bf323a5af3b6a58450009e4084e5f898d00f3d77872b24

AgentTesla

e8917cab54dca8c56976f8fa973521d58d0fc5abc196906a2aaee1e31c8b007c

AgentTesla

f32433910c4e4cfc2c310279138f0c977abdb9878661781bf28c752b15b92df7

AgentTesla

f9a12bd3805ccb30888cf55b8145dcbdeb64ecab5cc2be9d1ab831585ee2831b

AgentTesla

+ 4'210 additional samples on MalwareBazaar

Result

Malware family:

asyncrat

Score:

10/10

Tags:

rat family:asyncrat spyware

Link:

https://tria.ge/reports/200716-bbqzm6xp22/

Behaviour

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Creates scheduled task(s)

Suspicious use of SetThreadContext

Legitimate hosting services abused for malware hosting/C2

Reads user/profile data of web browsers

Loads dropped DLL

Executes dropped EXE

AsyncRat

Please note that we are no longer able to provide a coverage score for Virus Total.

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