MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9afaf41fc9f1418d01622663a2cda082a43071a19468f6a5e2f29c3a56aeefe8. 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: 8

Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash:	9afaf41fc9f1418d01622663a2cda082a43071a19468f6a5e2f29c3a56aeefe8
SHA3-384 hash:	80dbc6abe09a3ed695cd4dae7d2afdf5751ee69e5e72e88d04830d4077b7f99f28cc2358cad62e89c7996a2fac11e65b
SHA1 hash:	3ca588404fe8e41883baa888717b7a939f389e17
MD5 hash:	68d23d79d0ba9c21e0adc3452d724012
humanhash:	magazine-johnny-venus-floor
File name:	gunzipped
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	530'944 bytes
First seen:	2020-08-19 11:26:27 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:V+XiGzFFzTPV/8xkgtBANykHNtLwfeFx5jX24A8TvRkYt:EXRx5TJ8xkwByttLwUx5K
Threatray	9'285 similar samples on MalwareBazaar
TLSH	A7B4015C7558B66FC86F8D3AA8A85C705330617B530BF3429D539AEA5B1CED2CF108E2
Reporter	abuse_ch
Tags:	AgentTesla

abuse_ch

Malspam distributing AgentTesla:

HELO: itrad3r.com
Sending IP: 78.47.220.153
From: Nurazurin Gaman <zurin@nadioil.com>
Subject: RFQ_PCP/SPIR/SZ/2020/022
Attachment: RFQ_PCPSPIRSZ2020022.gz (contains "gunzipped")

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/48454/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Using the Windows Management Instrumentation requests

Creating a file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/437696

Signature

Injects a PE file into a foreign processes

Machine Learning detection for dropped file

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)

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

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)

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Mail credentials (via file access)

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

Yara detected AgentTesla

Yara detected AntiVM_3

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/9afaf41fc9f1418d01622663a2cda082a43071a19468f6a5e2f29c3a56aeefe8/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-19 11:28:07 UTC

AV detection:

23 of 29 (79.31%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=tl5pih6j6fay2alcezr2ftnaqksda4nbsrupnjpc6koduvvo57ua._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

263573ece93d13d69ed99ea6be5715ca5b15e1877ed09a274ca9cf55f4d16a22

AgentTesla

673aa6ede02270b33f4a7058ec4e31eabd688ca4c75037ed4a7f92470a42a271

AgentTesla

7cc4e45a2448e81c638cf0a84c269d7d926135647f95d318279429587d462e9a

AgentTesla

8ae81522b85b942557d654bd85f719d2a8b539106e787c451f0d2856effc6ca4

AgentTesla

ab79b2c6cca235d1b6a2bfdc550a15497c03d193d622feaa2e48c3006ef7c0b8

AgentTesla

af27bd7180ad756460e32f2ae56db7cbdc8a79e73a36b261a96f803e5b051fd5

AgentTesla

b502f774e9192f77aa713347f2747b67df5a473be721226bf0b2d98bdff8a835

AgentTesla

c9522b2123a5c1d678125fecafc722f82d46c099f6c1cbcca6b95c2911130927

AgentTesla

f749fcdcc06750ec8e3839b52ddd13e9a2023673da83aefe1c13439e1351fab5

AgentTesla

+ 9'275 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer evasion spyware trojan family:agenttesla

Link:

https://tria.ge/reports/200819-rc5f45t6jx/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Maps connected drives based on registry

Checks BIOS information in registry

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Looks for VMWare Tools registry key

AgentTesla Payload

Looks for VirtualBox Guest Additions in registry

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/9afaf41fc9f1418d01622663a2cda082a43071a19468f6a5e2f29c3a56aeefe8

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