MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241. 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:	54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241
SHA3-384 hash:	579a4da7425dac83dea9ba4aa5223a8c7cbfef8824e8fe3a588f88b5e4d9c2c63a81bb0dfa4d8e3e8330b2825ef6373f
SHA1 hash:	881dd5e5c7e74a62fea2208583f41a7b57675a3b
MD5 hash:	acbce3b5f4db3ce08890d376324633dd
humanhash:	skylark-five-carolina-july
File name:	SecuriteInfo.com.Win32.TrojanX-gen.4727.14643
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	714'240 bytes
First seen:	2024-05-14 12:23:28 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep	12288:NJbAXYMjhvPie/rByY7777777777777xY6eViUFUuih7c20QPl1BXTGA1NTrRwGw:NJbAXYMFniyy2ecUFUzB1tzKI9SelS
TLSH	T195E4220E7A1C5A10DABEAF71051610E3137162162234E7DE0FCF6DCE59E67A86B04F97
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	SecuriteInfoCom
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

452

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241.exe

Verdict:

Malicious activity

Analysis date:

2024-05-14 12:25:49 UTC

Tags:

agenttesla stealer

Link:

https://app.any.run/tasks/3f5a1b97-a27f-4d57-a9b8-797ba03b490d

Note:

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

Detection(s):

SecuriteInfo.com.Win32.TrojanX-gen.4727.14643.UNOFFICIAL

Gathering data

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

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Stealing user critical data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/664357eda82a5106c5feb6ed/reports/dda17cd6-118a-47c5-9faa-fb6ddf21595b/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241

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/2b96d1aa-aa48-4824-95ac-bfc2afef462b

Result

Threat name:

AgentTesla, PureLog Stealer

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1441344

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 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

Yara detected PureLog Stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-14 09:47:27 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

20 of 24 (83.33%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=krkyzkx6ecwz5fpa756jpn7vmtgica32zd72haiyqj7c7k7oujaq._file

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240514-pk183sfb5z/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

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:

31047088be60a0adf57994546018e3a6bf36adec1f4834d3c63603f595edffe0

MD5 hash:

2cc93eaee3f107d001cc3a2ff367631a

SHA1 hash:

ca9d29e492ffbdf86adb3049b1974a87e8b66a87

Link:

https://www.unpac.me/results/d0325903-6e37-4bff-9b2c-31900149ce34/

SH256 hash:

fd3f1f3f0c984361bb23b2f6ba22a4bbd636095bf6e9d0c31d77b5ccfceed307

MD5 hash:

1e504d0d93436a776666cc8236d65844

SHA1 hash:

834490f9be03a0814c6460f5aae33af12e83b8f5

Link:

https://www.unpac.me/results/d0325903-6e37-4bff-9b2c-31900149ce34/

SH256 hash:

8061407aeb65b8914429cb0b760e86eab8569eb24e6d824e8d3a29f16549a1e8

MD5 hash:

0ef97124d13a870319243aae77c86215

SHA1 hash:

7c9a537fe311c6e9f873d603bf8f9b9ee75144fc

Link:

https://www.unpac.me/results/d0325903-6e37-4bff-9b2c-31900149ce34/

SH256 hash:

81844891ba0691166c3c7e1f618820c2ceb1b040824a2e7348270a2a8e9cea4b

MD5 hash:

e9ea28597808c0a99c8fcf601d4ad0dd

SHA1 hash:

32dfc9be2bf087c2ab3112b8649c32357f0b0279

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/d0325903-6e37-4bff-9b2c-31900149ce34/

Parent samples :
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SH256 hash:

509b65ce7cf6c4f7cd0c1f622c235796d38d9babe811b317e92e6a026b8e39f1

MD5 hash:

14e21251d7a1077eccd7a1135f436634

SHA1 hash:

1878634dfce59f2e33dd5bfb0fd51ee4cff8f05f

Link:

https://www.unpac.me/results/d0325903-6e37-4bff-9b2c-31900149ce34/

SH256 hash:

54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241

MD5 hash:

acbce3b5f4db3ce08890d376324633dd

SHA1 hash:

881dd5e5c7e74a62fea2208583f41a7b57675a3b

Link:

https://www.unpac.me/results/d0325903-6e37-4bff-9b2c-31900149ce34/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/54558caafe20/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/54558caafe20ad9e95e0ff7c97b7f564cc81037ac8ffa38118827e2fabeea241

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:	AgentTesla_DIFF_Common_Strings_01 Create hunting rule
Author:	schmidtsz
Description:	Identify partial Agent Tesla strings

Rule name:	Agenttesla_type2 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect Agenttesla in memory
Reference:	internal research

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.

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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