MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d. 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

Formbook

Vendor detections: 19

Intelligence 19 IOCs YARA 21 File information Comments

SHA256 hash:	341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d
SHA3-384 hash:	ca9debbd5c2a97a3f3e40fd3da289b488dc85b4cd0fb8c7887e78774d13fa84a218bb561758e9460e0fc8929beca5626
SHA1 hash:	69e7c0c2bb28294880627e59eb6dccc3dd5764be
MD5 hash:	86d5e5828188e11e4891539759215c8d
humanhash:	neptune-nevada-spaghetti-mobile
File name:	NEW PO (PO01-230227).exe
Download:	download sample
Signature	Formbook Create hunting rule
File size:	864'256 bytes
First seen:	2024-05-21 11:43:43 UTC
Last seen:	2024-05-27 10:17:37 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:Z3x504bFtx504bFWx8Iv9WJpTpOeWOb8tcDVisnHqZz3+ExMywscfJH37M:xw4bjw4bfOspTJWObj1nKN3l2ymX7
TLSH	T1FF050110B3F95B12E9B997F6943006815BFEB80FA972E64D9DC520EA7471B008F12F67
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):
dhash icon	187860d9d9647818 (11 x AgentTesla, 5 x Formbook, 1 x Loki)
Reporter	adrian__luca
Tags:	exe FormBook

Intelligence

File Origin

# of uploads :

# of downloads :

333

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d.exe

Verdict:

Malicious activity

Analysis date:

2024-05-21 12:18:50 UTC

Tags:

evasion stealer agenttesla ftp exfiltration

Link:

https://app.any.run/tasks/774c9e95-a509-4d86-b35d-d999434b9e5a

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.19289.11286.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Tags:

Execution Generic Infostealer Network Stealth Msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Creating a process with a hidden window

Unauthorized injection to a recently created process

Restart of the analyzed sample

Creating a file

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Reading critical registry keys

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/664c891bbc04dffa92257d98/reports/c0b8bed7-fd59-42ff-bcd3-8be75e3356fc/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

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/b278168d-d3c7-4212-a16b-90cc7478adcb

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1444960

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Check if machine is in data center or colocation facility

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Injects a PE file into a foreign processes

Loading BitLocker PowerShell Module

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)

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

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Snort IDS alert for network traffic

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 / 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/341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d/

Threat name:

ByteCode-MSIL.Trojan.AgentTesla

Status:

Malicious

First seen:

2024-05-21 10:46:31 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 24 (66.67%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gqjrjnzpk2h6vyfqmxkjeiv6oux7slr5eu4zve6zx7s7cubwyzoq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla execution keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240521-nv7yyacd5t/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Looks up external IP address via web service

Checks computer location settings

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

Command and Scripting Interpreter: PowerShell

AgentTesla

Unpacked files

SH256 hash:

0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303

MD5 hash:

0441cc0dacc6d821252e66a156b1d9bd

SHA1 hash:

df46cc702950a53a5de7b804d2076ef03f8ac6b4

Link:

https://www.unpac.me/results/6c1ed93b-3383-4faa-be37-7f9a88785dbe/

SH256 hash:

f540e8d603962027b3a1f8b86d035281bfbdd3a05a621ead255825bc2082632a

MD5 hash:

d172f59251b97b415b621d302e1be2b7

SHA1 hash:

b1534e603749c901b5ac185f20e281f6be7fa908

Link:

https://www.unpac.me/results/6c1ed93b-3383-4faa-be37-7f9a88785dbe/

SH256 hash:

fc806a89fef02aedc5253da6309f2f25b6fa9ff363d6f3d0616e38a46f3f08a9

MD5 hash:

d0161f8372f05ecdf67881c8fa343f8b

SHA1 hash:

884c40f9ae1faaa4554511b0e572456bfea55cbb

Detections:

win_agent_tesla_g2

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

Agenttesla_type2

MALWARE_Win_AgentTeslaV2

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_EXE_Packed_GEN01

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

Link:

https://www.unpac.me/results/6c1ed93b-3383-4faa-be37-7f9a88785dbe/

Parent samples :
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SH256 hash:

110afaa4141a0d03caa0777da43c021c8daa211cd582a89c9a3b49339e7e7749

MD5 hash:

fe81cceb2267a47a28e6d33aa91b9645

SHA1 hash:

673d033666274e9823842c9956978e3169c5c8eb

Link:

https://www.unpac.me/results/6c1ed93b-3383-4faa-be37-7f9a88785dbe/

SH256 hash:

341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

MD5 hash:

86d5e5828188e11e4891539759215c8d

SHA1 hash:

69e7c0c2bb28294880627e59eb6dccc3dd5764be

Link:

https://www.unpac.me/results/6c1ed93b-3383-4faa-be37-7f9a88785dbe/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/341314b72f56/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/341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

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:	AgentTeslaV2 Create hunting rule
Author:	ditekshen
Description:	AgenetTesla Type 2 Keylogger payload

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_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

Rule name:	DebuggerCheck__RemoteAPI Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

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_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

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:	MALWARE_Win_AgentTeslaV2 Create hunting rule
Author:	ditekSHen
Description:	AgenetTesla Type 2 Keylogger payload

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:	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

Formbook

exe 341314b72f568feae0b065d49222be752ff92e3d25399a93d9bfe5f15036c65d

(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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