MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc. 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: 16

Intelligence 16 IOCs YARA 18 File information Comments

SHA256 hash:	3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc
SHA3-384 hash:	bc29d9887786437c25f9b92a210f1648b420fe63259f460049a7df2f028bc0ed12a565066e9af2c879360b601b1e4b86
SHA1 hash:	525fa6860e4d9cd932962af25ced125175d0f07e
MD5 hash:	4bd8a8ca8895581e20275b9306828d2d
humanhash:	uncle-neptune-ceiling-uniform
File name:	SecuriteInfo.com.Win32.TrojanX-gen.30104.20010
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	985'088 bytes
First seen:	2024-05-06 22:27:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	24576:s0220C8uECnmUShKoWQST75l0ewPpnVuXLGoKdBKnGlp7dVd2NbFEf9pyN8FZT:nuBKnGlJWbFEHH
Threatray	4'375 similar samples on MalwareBazaar
TLSH	T195259D2233F8625AE2FF0777A83044960BBBFD176A3AC65E1458759E0EB3B0149517B3
TrID	30.6% (.SCR) Windows screen saver (13097/50/3) 24.5% (.EXE) Win64 Executable (generic) (10523/12/4) 15.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win32 Executable (generic) (4504/4/1) 4.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

484

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc.exe

Verdict:

Malicious activity

Analysis date:

2024-05-06 22:30:00 UTC

Tags:

smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/4c1c55e1-2590-4ea2-aa6b-f77e05d0e3a4

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.30104.20010.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Setting a keyboard event handler

Creating a window

Stealing user critical data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

atbroker lolbin packed wimmie

Link:

https://www.filescan.io/uploads/6639597354aa07c307ee1c6d/reports/94ae4cd1-3a6b-4452-8752-72a72822b320/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc

Malware family:

Agent Tesla

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/141b43bc-0c80-4ba2-b715-85c5ebc49afc

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1437074

Signature

.NET source code references suspicious native API functions

Antivirus / Scanner detection for submitted sample

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Installs a global keyboard hook

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 ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

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

Yara detected AgentTesla

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc/

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=h7f2ojo5o7hppwpdwy7563ozibjcitf5u547bdnfjwrzsx4id36a._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

50297c7705e690b43057219bc9a89cfb49e6d739742bbf4d904b64832b1cfefc

AgentTesla

549efc26b767eb73d03d661fc2234dff23a0de9198b84103ef6b20e286af04d3

AgentTesla

9bb6d4c861ecd64a1b4df7e1335eb5e4f3922aaf2e9f7ca8d9a608f49fd5787e

AgentTesla

d03bb14b3852574a34043130102a04235da51cc6ccef5f9204df2d671e840c1d

AgentTesla

d90243827ee248cafbd1fc8b858e239f620106882989ca7a3c5452dc7bb595f2

AgentTesla

ef274d62fd8b447b68f031a13500e37fe991a6f0bec09b731e936769917076d4

AgentTesla

+ 4'365 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240506-2dmtbsea5x/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

Looks up external IP address via web service

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:

ebf15e82c93f6bc50a41b6ff6a67bf61e41312e7f1f93953e159a7e4eaa91eec

MD5 hash:

886c56d27cff51001f044c8058ba9fb4

SHA1 hash:

df9d9ed94eb5f484e64800f03cc4e08e7e8a2e6a

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/2eb364aa-d436-46f7-9841-1a599f5fef22/

Parent samples :
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SH256 hash:

45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b

MD5 hash:

fb1bc19121c4e190d83672bc71b493f0

SHA1 hash:

c3488b969ba578e28ee360be24b6416425a224a0

Link:

https://www.unpac.me/results/2eb364aa-d436-46f7-9841-1a599f5fef22/

SH256 hash:

0850a13b6934b4fe9a3f9fa49da29774204cbfe58b5afbd2c2289b5a7549e4ba

MD5 hash:

a6d366d13ec3633695f2c4f59e01c3d6

SHA1 hash:

3b27b4fcba4843b28a8f7a86d1127c7e939dd159

Detections:

MALWARE_Win_DLInjector02

Link:

https://www.unpac.me/results/2eb364aa-d436-46f7-9841-1a599f5fef22/

SH256 hash:

3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc

MD5 hash:

4bd8a8ca8895581e20275b9306828d2d

SHA1 hash:

525fa6860e4d9cd932962af25ced125175d0f07e

Link:

https://www.unpac.me/results/2eb364aa-d436-46f7-9841-1a599f5fef22/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3fcba725dd77/report/overview.html

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/3fcba725dd77cef7d9e3b63fdf6dd94052244cbda779f08da54da3995f881efc

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:	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:	NETexecutableMicrosoft 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:	Wimmie Create hunting rule
Author:	Seth Hardy
Description:	Wimmie family

Rule name:	WimmieStrings Create hunting rule
Author:	Seth Hardy
Description:	Strings used by Wimmie

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.

No further information available

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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