MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249. 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: 19

Intelligence 19 IOCs YARA 15 File information Comments

SHA256 hash:	d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249
SHA3-384 hash:	2f035824256e390d4b85500e98d2f444c236ee607b1989a8130e94ea4003c79d784525a5e8b10c9cccf73f4ec71a9ce9
SHA1 hash:	4dcedd113292812c0ef832640f3e964eec73c289
MD5 hash:	876db5122f5ecb90acc915cec4c89810
humanhash:	oranges-happy-pennsylvania-tennis
File name:	NSS.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	657'408 bytes
First seen:	2024-03-12 13:35:12 UTC
Last seen:	2024-03-12 13:43:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:9sJTENl3zT882MF7D9mDSwXhblVpFSgW/MiMJRmDch58dbP1PIPcZpCDzep:+xENlDoMF7DUVRlVfSgEr3DE5eZAw
Threatray	5'054 similar samples on MalwareBazaar
TLSH	T12BE423C2E6ACB361CB7D77790406823403F244523551E6AAEC0319F89B3DB8595FB6DB
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	James_inthe_box
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

376

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249.exe

Verdict:

Malicious activity

Analysis date:

2024-03-12 13:37:06 UTC

Tags:

agenttesla stealer

Link:

https://app.any.run/tasks/6cc6a9fe-f60e-417f-9bad-07083eac4ccb

Note:

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

Detection:

AgentTesla

Link:

https://www.capesandbox.com/analysis/478780/

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.25728.6889.UNOFFICIAL

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

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Reading critical registry keys

Sending an HTTP GET request

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/65f05a470ef6f5eba49231e3/reports/493020ff-2e4e-41d6-9163-b27c5a1176dc/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249

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/f325562c-a69d-4869-afec-b19fbf43a255

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1407554

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

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

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249/

Threat name:

ByteCode-MSIL.Trojan.SnakeKeylogger

Status:

Malicious

First seen:

2024-03-12 12:14:43 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=2bbybn4vetngs4duuanqv44at6eb2d5qtjudmqedv232dpqccjeq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

6c0954f6aa04f44f798050786047faba1926903926e7f8aa20ff37de8ccac3a2

AgentTesla

82364f1c145709d6e5ab34a718fae2eef082f0b3d174a90d41d52c1e149ceafc

AgentTesla

baa8f36bbac74541c841caa0a891d8913224001d33452bcd735754b663e67bd2

AgentTesla

dd8aae27e7726cc2fa28a115919e94014d94b8300018c97fc06448f8fea2796c

AgentTesla

+ 5'044 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240312-qv8ataca82/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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:

06a1ae787e808d6287de314be8bec64ef2e0d3bc1bf2ea71ae268c7b8fb19e2d

MD5 hash:

91b39e533d48f5fa25ac604da90b3d8d

SHA1 hash:

f5dadf1e8fcbe64609e4cd78a27e2810f7a6e69e

Link:

https://www.unpac.me/results/3e0d7f35-c982-4f78-8f57-d8c79dd6e590/

SH256 hash:

c8c1020fe926cc1851b73c1915ad32e2fc393dccb402782aca8f4ea6379ba84d

MD5 hash:

ef7cf89d9ec52b18a8f5b6ee49820f46

SHA1 hash:

dcf9cb9bb3f72ca4b3cc0c00b27bd9ce10b554bb

Link:

https://www.unpac.me/results/3e0d7f35-c982-4f78-8f57-d8c79dd6e590/

SH256 hash:

dc8ec5d730d569cb3e918507f166947e3c14b50408c5d32827038faa8c5a9418

MD5 hash:

c9242b8ac20befac94e276c4bc4dc4e2

SHA1 hash:

af2abae88173c307632d762fc0eb98c520a821e2

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/3e0d7f35-c982-4f78-8f57-d8c79dd6e590/

Parent samples :

dc8ec5d730d569cb3e918507f166947e3c14b50408c5d32827038faa8c5a9418
d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249
af69e50524ba63cfcbaaa2de4d15434743f2f34239ad34228e4eadde55bbeae6
8d5930353d2239c66b566cb6725058657d642d766549d493f0118aa495c95106
6a8efc3348d8b25bf4070dc9ad8d1e69d59b1ac1646e55fbef4a015c25ab07db
5d4c2d7fd974a27b151f948878af80220538328e121ce4cf3a8cad2156f6e48e

SH256 hash:

fafc923e0e2f9677db3d8cd979c8e9bb52dd53415b4eade1f4fa01abd0bdd8a8

MD5 hash:

5f474c11a13cca57efd7649e98840c1a

SHA1 hash:

5ff2cc23762e5b72e9c7b06e818905f323ae129d

Link:

https://www.unpac.me/results/3e0d7f35-c982-4f78-8f57-d8c79dd6e590/

SH256 hash:

2655bd2d0477e3b4dd3dfb1b1bc0b116abd36c38102835061a595cc24c5c00ba

MD5 hash:

7a9a6300b665c83ff31228fb81334c05

SHA1 hash:

4689e7afd0047b36b57101df69487be45f9af3c0

Link:

https://www.unpac.me/results/3e0d7f35-c982-4f78-8f57-d8c79dd6e590/

SH256 hash:

d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249

MD5 hash:

876db5122f5ecb90acc915cec4c89810

SHA1 hash:

4dcedd113292812c0ef832640f3e964eec73c289

Link:

https://www.unpac.me/results/3e0d7f35-c982-4f78-8f57-d8c79dd6e590/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d04380b79524/report/overview.html

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

Threat name:

AgentTesla

Score:

0.90

Link:

https://yomi.yoroi.company/submissions/d04380b79524da697074a01b0af3809f881d0fb09a68364083aeb7a1be021249

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:	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:	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.

Delivery method

Other

Cape

https://www.capesandbox.com/analysis/478780/

URLhaus

https://urlhaus.abuse.ch/url/2781414/

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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