MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04803c612483d76474860d5942b69d5ee3a68987a258b76283d60b345c188c62. 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 3 File information Comments

SHA256 hash:	04803c612483d76474860d5942b69d5ee3a68987a258b76283d60b345c188c62
SHA3-384 hash:	419f2c68f8cd40183559e8c92f5565df17fc317c01fdca74a2889becab6e79a986f12c29d3b0e0d2ff2ec069af4e3b78
SHA1 hash:	c9da6c5d58c27c203436e3999eb555247c9ca4eb
MD5 hash:	8863124f47c672e403b0f422e385e6eb
humanhash:	sodium-monkey-indigo-saturn
File name:	AUG SOA & PO34256.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	798'208 bytes
First seen:	2020-08-31 10:33:57 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:5WIajadplakgT/iBZNtDtVKMICQSKSXvDjbrq9NrXja4TcaB46+gb7L5EYwvoKa8:4a7lg7iHDCBCQRSX7ANrXHTcaj+qxm
Threatray	9'416 similar samples on MalwareBazaar
TLSH	D805DF29031C9B2FC91832BC2090509DD1F29B41EA78F2C8ED5B70F565D679DB7AE2C6
Reporter	abuse_ch
Tags:	AgentTesla exe

abuse_ch

Malspam distributing AgentTesla:

HELO: mail.jnawa.com
Sending IP: 210.236.36.69
From: peter@zenhankook.id<peter1@zenhankook.id>
Reply-To: <jp.intl1@hotmail.com>
Subject: STATMENT OF ACCOUNT/NEW OFFER
Attachment: AUG SOA PO34256.zip (contains "AUG SOA & PO34256.exe")

AgentTesla SMTP exfil server:
mail.estechtab.com:587

AgentTesla SMTP exfil email address:
logs@estechtab.com

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/53397/

Detection(s):

SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Sending a UDP request

Launching a process

Creating a process with a hidden window

Moving of the original file

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/455240

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for dropped file

Machine Learning detection for sample

Moves itself to temp directory

Multi AV Scanner detection for dropped file

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)

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/04803c612483d76474860d5942b69d5ee3a68987a258b76283d60b345c188c62/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-08-31 01:32:53 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=asadyyjeqplwi5egbvmufnu5l3r2ncmhujmloyud2yftixayrrra._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

205a2f88f490388970c68b7512acfb90756655b4115e3bbe7b2b77efeab58bdf

AgentTesla

578df50c34d2f8f3146e5c4a457c4e9eac639070d3766ba202c84af6a790d4a7

AgentTesla

640e087a78aa77a9bb49027500f1f29f9d31f5b64c13c99b690ea813d0737fd4

AgentTesla

677c3ed89ae8bde6abe34f5982e3ccd9f56092058ecf38ef6c269aa27db724fb

AgentTesla

dd5712ad571847f064a5dfcd49ee82e3d2b42959bef23a773512dc41af030f6e

AgentTesla

de00e60ea65a5c4f7804c137b07d6973bdf8fc17ca192035b7976362e978a8d2

AgentTesla

e17255079fd94918e8e003447c4698ec67af308f62fdadec71e9751d24d5d93f

AgentTesla

e847719a98762bcf7422064186c2cdbb2f58000622448c3adcb6769b7cfbea68

AgentTesla

f02fa74cf67fbbbff605bf316388b5c6d208efd33ccede87538938389be4de93

AgentTesla

+ 9'406 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

keylogger stealer trojan spyware family:agenttesla

Link:

https://tria.ge/reports/200831-ggjrbzz62a/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

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:

Trojan

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/04803c612483d76474860d5942b69d5ee3a68987a258b76283d60b345c188c62

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