MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b. 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: 15

Intelligence 15 IOCs YARA 16 File information Comments 1

SHA256 hash:	f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b
SHA3-384 hash:	391032e052a6cef5807e46c9f82c365bd917f73a8e7aa05637853a7d71ca500a8088366a3111f436002d1074c78f6ba3
SHA1 hash:	208e62e5ad0acd6deb4c22254cb45cba76ba8606
MD5 hash:	f6717f1b65a268d5ab85cfcdb2dd6174
humanhash:	uniform-floor-coffee-finch
File name:	f6717f1b65a268d5ab85cfcdb2dd6174
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	687'104 bytes
First seen:	2024-02-20 07:43:31 UTC
Last seen:	2024-02-20 09:28:15 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep	12288:L0MPFA1uqHkJ+cWig8pnEiNazkS+gMvR8OJRr4m8EGL:40FAMqHkJ68pnj+kSxGWO6EGL
TLSH	T104E4230ABBD5D5DAD33B37B000DA16C90331461535A2FB9A3DAD655FBCD2B2006E0B9B
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)
File icon (PE):
dhash icon	00d9f8e8c8693204 (6 x Formbook, 4 x AgentTesla, 1 x NanoCore)
Reporter	zbetcheckin
Tags:	32 AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

316

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/476964/

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

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

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

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/65d458437ec1345fd9813ae8/reports/ccf7c7f7-f8e8-4b74-b84e-9b4030c786c5/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b

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/f1639ef7-3968-43ac-a618-8125764c531c

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1395068

Signature

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

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

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)

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

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/f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-02-20 07:44:07 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=7djpmeszacsnioa3xyz6dkwnmf3toe7gcgg6j2qo5g7ljehprrnq._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240220-jktaksdd5z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

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:

e2decf8bedf8fbbda709dfa6d02afc5fbe8b8a4db7bc79d5fddcbc024eb174be

MD5 hash:

1f76109fce807969eae27718a3d789b5

SHA1 hash:

f10b429f44629edfbf9cbb88f343895c132774eb

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/481ab88d-8d68-4f3f-a99f-c615510abac1/

Parent samples :

f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b
e46d09bf964fc8abfc1bcc2ed4b4aacf0ae3da0687d5a440973c79eea24e88bd
efce051b1d799bd344d7b354e5898cccd79a0014593d2034cd6b00d01b4536f8

SH256 hash:

72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628

MD5 hash:

2a8240bba06e832ee5d136a0a7e5b5b9

SHA1 hash:

de49d9b33004a4a622a4279b3ee2b3e3e5cd012b

Link:

https://www.unpac.me/results/481ab88d-8d68-4f3f-a99f-c615510abac1/

SH256 hash:

ec592062c41d26d7046ab135fbabaf80e69900ba940ca654261cda17109f8769

MD5 hash:

09f7fb78314d30bf7c69d72caa9da978

SHA1 hash:

5536e0f86fe6e36f11e5ba03a8f559675dd82f30

Link:

https://www.unpac.me/results/481ab88d-8d68-4f3f-a99f-c615510abac1/

SH256 hash:

848535a5f0d50cae5a9a787d1934f19c0a7c5a01d9ef55931bf47009fac3d421

MD5 hash:

bf21b54d40da4abbb2039f0258645eb0

SHA1 hash:

3c96b5ccaa75eee9e0538dc49a27c68510937840

Link:

https://www.unpac.me/results/481ab88d-8d68-4f3f-a99f-c615510abac1/

SH256 hash:

42e5bbee4b498550f505c1232326adbf9d5d23c7e90174eb142b4963b879fe7b

MD5 hash:

100a8095e042378d2c227eb0ff37b6d4

SHA1 hash:

32c4a6457d7c01e9e135c3750d571114bc0ef3a0

Link:

https://www.unpac.me/results/481ab88d-8d68-4f3f-a99f-c615510abac1/

SH256 hash:

f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b

MD5 hash:

f6717f1b65a268d5ab85cfcdb2dd6174

SHA1 hash:

208e62e5ad0acd6deb4c22254cb45cba76ba8606

Link:

https://www.unpac.me/results/481ab88d-8d68-4f3f-a99f-c615510abac1/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f8d2f6125900/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/f8d2f6125900a4d4381bbe33e1aacd61773713e6118de4ea0ee9beb490ef8c5b

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:	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:	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