MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e. 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: 17

Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash:	8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e
SHA3-384 hash:	ee75a3eab873ee7a64c097fb2614d9011470042fb451bfa2a87351d97c1be7c721a4947643aba81576f873c7497665d1
SHA1 hash:	a31123a15dfd834c6a60c82e3137f9ebceaeb130
MD5 hash:	178e3d631518d1e4931f1df9be21bdd6
humanhash:	enemy-skylark-nitrogen-cold
File name:	SecuriteInfo.com.Win32.CrypterX-gen.23935.24720
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	671'752 bytes
First seen:	2024-04-23 05:22:02 UTC
Last seen:	2024-04-23 11:23:19 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'471 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	12288:McK1+NZRAkOA9hb/AJZIYTzHL6hNsk6obUeaut77yB5kR:NlyehbIJpr6hik6obU6r
Threatray	4'515 similar samples on MalwareBazaar
TLSH	T1B2E42310B3389703FE114B72944D6676A3327A176231DA1C69EEC29F1263F615B378BB
TrID	63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 11.2% (.SCR) Windows screen saver (13097/50/3) 9.0% (.EXE) Win64 Executable (generic) (10523/12/4) 5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 3.8% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

343

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

Payment Advice_230424.exe

Verdict:

Malicious activity

Analysis date:

2024-04-23 04:12:36 UTC

Tags:

agenttesla stealer exfiltration smtp

Link:

https://app.any.run/tasks/c05d5df4-19e7-4b68-988a-6f24515d1c6f

Note:

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

Result

Verdict:

Malware

Maliciousness:

Behaviour

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

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

overlay packed

Link:

https://www.filescan.io/uploads/66274581b575a100a2320bff/reports/80085af2-3605-45dc-86d0-d0e2e0946271/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e

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/afa93ad5-847a-4a21-8e49-d49db44e96a3

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1430098

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

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)

Snort IDS alert for network traffic

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:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e/

Threat name:

ByteCode-MSIL.Trojan.Negasteal

Status:

Malicious

First seen:

2024-04-23 02:49:32 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

25 of 38 (65.79%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=r5kkv7hycuoeg72e6sydz74n7njbalpxypq4bz6uctn4m5nslvxa._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

4979d51c93d480bc32b1de7fe0d366d0a6fc93301e46ad4dd8a2089d26e57065

AgentTesla

4ec8f72bf35c4a1de223b92521d3e0c996809eaf52f50960d8580e89be6152e7

AgentTesla

8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e

AgentTesla

f8e6a45b38617e1eb1fd2007d74bda7e24cd4fe3308d0f70aaa72bb229c2046a

AgentTesla

+ 4'505 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240423-f2lqaade7y/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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:

939887b72fd82113a2496c3f6c9caa92d5b89b3d3a4e34c63c483dd96c9fba7d

MD5 hash:

58414562a20e0cb30d8c08dda343de3c

SHA1 hash:

ecf0b344949de473f139f4c0a2e33cec0d60f041

Link:

https://www.unpac.me/results/5b7ebc95-eb7b-4fb1-bedd-ddb326dd1790/

SH256 hash:

603c2dc4c50a557495c71d399fb63374f003cb3443e6c1b24a828507ffa7dba3

MD5 hash:

f90e81da6bcada223dfb58c48d1db94e

SHA1 hash:

67ca585d5a93dd91979ecd80fe67d5c36d4120af

Link:

https://www.unpac.me/results/5b7ebc95-eb7b-4fb1-bedd-ddb326dd1790/

SH256 hash:

51188c510cdb7ee4b45ee1d715ba2aaf75e1da3e10c5a3ba4fa96b43f9601a43

MD5 hash:

f7a6873c9c682cafbce1c4f5ab2a7d0b

SHA1 hash:

3817502ea7b97cc8f2a1fd8d094bb1d7546442fe

Link:

https://www.unpac.me/results/5b7ebc95-eb7b-4fb1-bedd-ddb326dd1790/

SH256 hash:

6b2a5a294393bf5b98b4d69d794ca40e4da795c6c951f105b3a4e0d1dd5f10a5

MD5 hash:

f73524605eb53a3f850ec0b0a50655d8

SHA1 hash:

120a44f6062353ae6947c9d29433a4b672ab70cd

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/5b7ebc95-eb7b-4fb1-bedd-ddb326dd1790/

Parent samples :

4ec8f72bf35c4a1de223b92521d3e0c996809eaf52f50960d8580e89be6152e7
ab04738f02d1f105b15edee4d5c2805b715cd1377760475dc8198a784acd50bb
8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e
cd3e530bfaf604d4e59e78d8d8761ab63f0d3d57beff38c1f4802993226af6bb
c3b0fc8bd36dcff078347bc7ffc86f5cd8ed293b38773ec057bb35725ac2f2af

SH256 hash:

8f54aafcf8151c437f44f4b03cff8dfb52102df7c3e1c0e7d414dbc675b25d6e

MD5 hash:

178e3d631518d1e4931f1df9be21bdd6

SHA1 hash:

a31123a15dfd834c6a60c82e3137f9ebceaeb130

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/5b7ebc95-eb7b-4fb1-bedd-ddb326dd1790/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8f54aafcf815/report/overview.html

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

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_KB_CERT_7c1118cbbadc95da3752c46e47a27438 Create hunting rule
Author:	ditekSHen
Description:	Detects executables signed with stolen, revoked or invalid certificates

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_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	pe_imphash Create hunting rule

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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.

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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