MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce. 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: 18

Intelligence 18 IOCs YARA 15 File information Comments

SHA256 hash:	3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce
SHA3-384 hash:	8032797ce87064864b8dd3e6979fc0188df0efb25b2b50d13f4c2cf01dae01b6850afbfce44ec0a083865b44f43f052d
SHA1 hash:	da49b2f96a11b2ed26934ee28f490e974b3815ec
MD5 hash:	fed1b43e8844404ebb3298bb81487aa5
humanhash:	missouri-delta-princess-oregon
File name:	Purchase Order.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	643'584 bytes
First seen:	2024-04-12 04:11:36 UTC
Last seen:	2024-04-15 13:18:39 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:Xkvq31eoW0LNUsfqklekKIc+SxVDAvri6mrEXvQTTFZqTT8TAz4vOi2KfcMP:XeqFjvHeD+ri6PYFZmwTA8D2Sc
Threatray	4'226 similar samples on MalwareBazaar
TLSH	T1DFD423180A5F633AE02DDB37E67D3A0EF768DA0D6371AB29954021D79A16780CD1BF1C
TrID	71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	threatcat_ch
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

308

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce.exe

Verdict:

Malicious activity

Analysis date:

2024-04-12 04:12:00 UTC

Tags:

agenttesla stealer

Link:

https://app.any.run/tasks/c68c04a1-8b6a-4ae6-b3a0-b3b962bbeb7f

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Creating a window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Launching a process

Moving a file to the Program Files subdirectory

Replacing files

Sending an HTTP GET request

Stealing user critical data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/6618b4920b46b3036933361e/reports/21b7802b-0907-41e7-9805-ec823c8dfa9e/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8d056a02-d77b-4811-bea6-ed9a9e5cb48b

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1424871

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Initial sample is a PE file and has a suspicious name

Injects a PE file into a foreign processes

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

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 Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce/

Threat name:

Win32.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-04-12 02:32:47 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 23 (78.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=h7ag575v4c6qriqjtwofbc2obxvwlmgw6fazs4tid446agcpsdha._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce

AgentTesla

44d6f874279cb00fe35d14f37b18944bdde471ed39732e3ec7cac9aed59039f2

AgentTesla

4e7e2546901dc10eda0b3ec5237250129899018f3464bc33dc626952134435b9

AgentTesla

c09762395085a1aeb41598e097c1a035688ca3d3366f482ffe4f1175036514af

AgentTesla

faa61845650ddc7b18bb40f45cbc8e52bdf797218fd70554b876929b52f03706

AgentTesla

+ 4'216 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240412-eshftshf5z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

AgentTesla

Unpacked files

SH256 hash:

695121d4e1d72656a59ac64794c11dba70c5c3c592c5f59908498016bc78c5ea

MD5 hash:

ff0e6314537342ac5639e62aa0524d69

SHA1 hash:

b41b25349fa46c9d219abd7fe8332a4fdef26b7e

Link:

https://www.unpac.me/results/33c844bd-a48d-4d45-88fe-cad7502e2cb9/

SH256 hash:

e43ef3487af2199aefd0452e9ffbdb4eb297b2bc750cc2caaee1e447018d0fd3

MD5 hash:

4beef8030291111cb7c1f95db58212cb

SHA1 hash:

8844c14e3a1acf151e36531969f810f89c2cf886

Detections:

AgentTesla

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/33c844bd-a48d-4d45-88fe-cad7502e2cb9/

Parent samples :

c09762395085a1aeb41598e097c1a035688ca3d3366f482ffe4f1175036514af
4e7e2546901dc10eda0b3ec5237250129899018f3464bc33dc626952134435b9
faa61845650ddc7b18bb40f45cbc8e52bdf797218fd70554b876929b52f03706
3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce
17b618d190771925404e47f7a84ff19852d7cc2b6743d4b958fe8cbeed7d2d7d

SH256 hash:

38374f9e9d71071ca5a00d74c9788772d8b260abf6c13324ed9c4489fe3e095a

MD5 hash:

ec0d244c8bf28d55e973fd85cbb51d5a

SHA1 hash:

4065467ed8462041d5829c4fd8d585474e9a4fd4

Link:

https://www.unpac.me/results/33c844bd-a48d-4d45-88fe-cad7502e2cb9/

SH256 hash:

7a052f1b312514eb4953409ec397f1a8669ae04fcddf9c17a45630d9b99342d7

MD5 hash:

4aa46da608a5ed2f1f931d6905993570

SHA1 hash:

3cd2d999793022b5721221a3259ec56b921a431a

Link:

https://www.unpac.me/results/33c844bd-a48d-4d45-88fe-cad7502e2cb9/

SH256 hash:

3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce

MD5 hash:

fed1b43e8844404ebb3298bb81487aa5

SHA1 hash:

da49b2f96a11b2ed26934ee28f490e974b3815ec

Link:

https://www.unpac.me/results/33c844bd-a48d-4d45-88fe-cad7502e2cb9/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3fc06effb5e0/report/overview.html

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce

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:	AgentTeslaV3 Create hunting rule
Author:	ditekshen
Description:	AgentTeslaV3 infostealer payload

Rule name:	AgentTeslaV5 Create hunting rule
Author:	ClaudioWayne
Description:	AgentTeslaV5 infostealer payload

Rule name:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

Rule name:	INDICATOR_EXE_Packed_GEN01 Create hunting rule
Author:	ditekSHen
Description:	Detect packed .NET executables. Mostly AgentTeslaV4.

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	malware_Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Windows_Generic_Threat_9f4a80b2 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_AgentTesla_ebf431a8 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

exe 3fc06effb5e0bd08a2099d9c508b4e0deb65b0d6f1419972681f39e0184f90ce

(this sample)

Delivery method

Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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