MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cf9aa6df9472ddba54a9104d6d559229da3796b96a8dcd2a9ed52873f7359e5. 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:	4cf9aa6df9472ddba54a9104d6d559229da3796b96a8dcd2a9ed52873f7359e5
SHA3-384 hash:	2ea437bec636b4f9d953242fd24edf765fc3090cc6401ef644a80ce336968fb95914c92a4d58270fb44eb50300631aec
SHA1 hash:	957cbb10c57fef3e43b901ba17ef3ec6d36fd730
MD5 hash:	41c521c50f1f58394244769d49873d83
humanhash:	edward-alanine-burger-idaho
File name:	satın alma emri_PDF_______________________________________________.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	582'656 bytes
First seen:	2020-07-28 14:00:11 UTC
Last seen:	2020-07-28 15:02:02 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:wKFKuV50c26b3Dhtbt1CeeGYJvqnuV4BU:pKuDJ175YeiiuV4m
Threatray	10'593 similar samples on MalwareBazaar
TLSH	32C4E00112545B2FD32B9AB93027D1F01227E498EB61DA774E9FD0A719E26FD39C3263
Reporter	abuse_ch
Tags:	AgentTesla exe geo TUR

abuse_ch

Malspam distributing AgentTesla:

HELO: key-code.fr
Sending IP: 209.58.149.66
From: Key Code France <info@key-code.fr>
Subject: RE: satın alma emri
Attachment: satın alma emri_PDF_______________________________________________.gz (contains "satın alma emri_PDF_______________________________________________.exe")

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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

n/a

Vendor Threat Intelligence

Detection:

AgentTeslaV2

Link:

https://www.capesandbox.com/analysis/33749/

Detection(s):

SecuriteInfo.com.Trojan.PWS.Siggen2.52692.19896.31517.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

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/400492

Signature

Antivirus / Scanner detection for submitted sample

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Installs a global keyboard hook

Machine Learning detection for sample

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: Suspicious Double Extension

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/4cf9aa6df9472ddba54a9104d6d559229da3796b96a8dcd2a9ed52873f7359e5/

Threat name:

ByteCode-MSIL.Trojan.Kryptik

Status:

Malicious

First seen:

2020-07-28 09:05:45 UTC

AV detection:

24 of 29 (82.76%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=jt42u3pzi4w5xjkksecnnvkzeko2g6lls2unzuvj5vjiop3tlhsq._file

Verdict:

malicious

Label(s):

agenttesla

AgentTesla

32e43a42bc462576ec94df293189fcc7e17109391aeb6aba80414a06fa206001

AgentTesla

3a7ad05cd3cfed17f81a91126e0ddfc1f36561ea798ad7f5f7cfeb6f7030bee5

AgentTesla

4bc2794576ebc0396a825e7b5f5fa26303e79972e7a2d68ded5cd68729288107

AgentTesla

85eaaf9f22a87fe91d08a6727276564a478e1e34579b21a0a9edf602a58b5094

AgentTesla

a78ad475aa220c139ac4eed8bb80b8e9cf5dd5a44739dce0fc6959677b369c4b

AgentTesla

aebd4884e975607b0e5747d20e709521619e2d24e9b842acb1a8d1ecb73bb955

AgentTesla

b6cbbb6a53fb168a24f6a2f4bbf296547e5ece0314e2b9c21d6662af66a3ac4a

AgentTesla

c2bc9f2091a56e2d7045ddc273ba91462252f51baec6e6e62f6d0a08735564dd

AgentTesla

c6d659d01d6aaf95f9e7280164eb2f8c1df03d11c73e198b5b929e0434b4955a

AgentTesla

+ 10'583 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

spyware keylogger trojan stealer family:agenttesla

Link:

https://tria.ge/reports/200728-2sje41xm7j/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

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:

Suspicious File

Score:

0.45

Link:

https://yomi.yoroi.company/submissions/4cf9aa6df9472ddba54a9104d6d559229da3796b96a8dcd2a9ed52873f7359e5

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