MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7. 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 18 File information Comments

SHA256 hash:	f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7
SHA3-384 hash:	e100f2c0616315583827d9635176bb25d69ac3759b6179ffff68731d36dee6e29f81fb527c78e1e7fefb4a6d96dbd803
SHA1 hash:	ff34f1a59c5f43d3c8f61517d8711ef146d60142
MD5 hash:	896ae810f2df7eca99e66c1906c4bdb5
humanhash:	purple-december-ten-green
File name:	FedEx Shipment DOC_AWB#53023024603.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	717'320 bytes
First seen:	2024-03-20 07:11:26 UTC
Last seen:	2024-03-20 08:27:51 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:DAUqnAxb1kz0Mb/56teWdf1zSpMXH+YELCpbo4CDrqU8DQUavQekGYq1PABkR:DAUqnAxb1ZI/5xWJ1zI4eYA0o4CDmUFN
Threatray	4'843 similar samples on MalwareBazaar
TLSH	T1B0E423827BF87693FB3846F0623689425772711239A5DBDA1CC422DF11CEBA2521DB37
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	cc948b667969653c (13 x AgentTesla, 5 x Formbook, 2 x RemcosRAT)
Reporter	abuse_ch
Tags:	AgentTesla exe FedEx

Intelligence

File Origin

# of uploads :

# of downloads :

337

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7.exe

Verdict:

Malicious activity

Analysis date:

2024-03-20 07:49:07 UTC

Tags:

agenttesla stealer

Link:

https://app.any.run/tasks/df28b599-4e5f-4f17-a7d7-9e9deb22a629

Note:

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

Detection(s):

Porcupine.Malware.58887.UNOFFICIAL

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

Setting a keyboard event handler

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/65fa8c485cd908a33db9d216/reports/90874d47-c707-4bc2-a115-de9cc1523770/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7

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/71868594-e060-4fee-b0c1-54e7cab56d23

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1412186

Signature

.NET source code contains potential unpacker

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Initial sample is a PE file and has a suspicious name

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 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:

96%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-03-20 03:23:14 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 37 (59.46%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=6gs3kwgixg6mbptbzxf2yr7e43nyx6jnuas2y535r2tygli5i33q._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

28ead7588848700eeb6c5ca4d1aa5f6f781b50128c8b7f660d4fb5f8d6c42dc1

AgentTesla

47e71db77dc8258663e0715a3b8d4a1c9e105f76a0c771d79654fd03236bfd1e

AgentTesla

b916d475339eb0e64ad8e4e8bf897adb317c8add907ca4f72c1b7fda76cd8550

AgentTesla

eda3294e4e556c2c5e7e8e156754a0ae20044395f1d87499e3c35c872785598f

AgentTesla

ff7cea1471a8650fec0cf17b7006d68320702939027341f922389672bfe88115

AgentTesla

+ 4'833 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240320-h1hy4sca9t/

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:

8a42144bfaed7278d478bb226c64cfad8abd909f2f4ce18ed17018eebbd590dd

MD5 hash:

10f2dcb1aa3ec0d37027968d347b257a

SHA1 hash:

b2d1181f17169f535a8bfa614c21aab23260155b

Link:

https://www.unpac.me/results/5c0a600d-6dfb-49fa-945a-8efe89d41ecd/

SH256 hash:

c97d5631e298a8dfc5feebb067583af10816bc117b7b665171a26617e93263cb

MD5 hash:

f6b6927b39129bb621685d3792cacb2a

SHA1 hash:

6cee0c04434523c140ae4ceb3390df4ddcaaabe8

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/5c0a600d-6dfb-49fa-945a-8efe89d41ecd/

Parent samples :
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SH256 hash:

c1fc851f58ac28ad00fcf4c544d72f60ee8446095a78306ff27bb9ec266e3dc8

MD5 hash:

e67360696d50e8e7ec7627414305a8dc

SHA1 hash:

39459f04c1689c70a29743b87d49932cf89ed9cc

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/5c0a600d-6dfb-49fa-945a-8efe89d41ecd/

Parent samples :

b0b90ffc1bf2e33f057981b8d2451df026fc5179df8774f1cd647ff0a5bf89fd
05261e8594490477eddd50ccd0499af1dd0f1bdeac466c1ddcf435afe4841641
f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7

SH256 hash:

9054ed8c396dc701a45a3abf896397aa30eeb496801a831980cae1249397e3f7

MD5 hash:

41087051c15f13181c27ea00f306544f

SHA1 hash:

086570ded58c8d8481ebc4fc2ddb09477323dd64

Link:

https://www.unpac.me/results/5c0a600d-6dfb-49fa-945a-8efe89d41ecd/

SH256 hash:

f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7

MD5 hash:

896ae810f2df7eca99e66c1906c4bdb5

SHA1 hash:

ff34f1a59c5f43d3c8f61517d8711ef146d60142

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/5c0a600d-6dfb-49fa-945a-8efe89d41ecd/

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/f1a5b558c8b9bcc0be61cdcbac47e4e6db8bf92da025ac777d8ea7832d1d46f7

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_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 (GUARD_CF)	high

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