MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4. 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: 18

Intelligence 18 IOCs YARA 17 File information Comments

SHA256 hash:	a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4
SHA3-384 hash:	d3f975e39150b12ad1ff534dfcbe5a00ede49ae0d934514bbe9eccd72fc6bda256096812a89617f33fd87f8f80be52c3
SHA1 hash:	41d4005a1b7b2256209752974d08236ec2c207df
MD5 hash:	71f8ff22d13a3e8254fb1cc0212874a9
humanhash:	friend-minnesota-carpet-early
File name:	SecuriteInfo.com.Win32.PWSX-gen.32692.13408
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	668'160 bytes
First seen:	2024-06-20 20:34:18 UTC
Last seen:	2024-06-20 21:23:28 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:CT1Pa7rY2KHeb7hIVd3CHLFvswe0diDr/DQz8EkfI9r7:VrxZ7hIVdSrFnkr/DQ5kfIB7
TLSH	T18EE412057BB8AF5ADAFB9FF8593912844BB1753B2410F21C0DD221EE5C72B0186D4AB3
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 :

351

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4.exe

Verdict:

Malicious activity

Analysis date:

2024-06-20 20:35:54 UTC

Tags:

smtp exfiltration stealer agenttesla

Link:

https://app.any.run/tasks/dce63773-9de4-45b6-8628-45588e668372

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.32692.13408.UNOFFICIAL

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6674936053600b21d54501fbwin7simulatehigh_evasion

Tags:

Generic Gensteal

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Launching a process

Creating a file

Using the Windows Management Instrumentation requests

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Stealing user critical data

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/6674927749a1c8306267bc40/reports/89d2f7be-4ff7-4f04-8f31-1ad552b0972e/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4

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/b7dd478e-0da4-4432-baa2-c380f10fd419

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

spre.troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1460383

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

AI detected suspicious sample

Allocates memory in foreign processes

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

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: MSBuild connects to smtp port

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)

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-06-20 20:13:30 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ustki3jx5iyxobssa4zlucxsvasknt3nefh6bde7nb4yo7huopca._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/240620-zczqdszhmr/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious use of SetThreadContext

AgentTesla

Verdict:

Unknown

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/49a899a2-2df3-42d9-9364-2185c1484ff5

Unpacked files

SH256 hash:

c097f77618c9ea8de2d978f9ab3a63b760bdc2e7c2adbe5beb5954e5cd345566

MD5 hash:

e0a35ff4629a77a7ffa919846c3a3fd3

SHA1 hash:

516340f25e62bc3a41e36fc1b2131d038b98a2ed

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/7b64f4ea-da15-4816-9c01-2bbd26db13ff/

Parent samples :

5f53f29acdf74a080f30ef950146b680b8e1e779ea69d3f5c4c4556d8eef1073
93bac967fc7f0ec207d860387884416cfbec72dfb8dde37883bd13e1c6df4e3b
5bc71e7b19eb41b085410ab03ff51651ec69d31f4f672a75ae580f741f0b4ee6
a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4
b89f9ae90e40b950bb2c2205bcb70a42da20d12d6044dea8e4a57c099846f729
21d5d8b254df4c982f0d5e2289dedce8859f154b494a7a560834c6ff341028ea

SH256 hash:

ecf1257cb2839319c722daf5323ba2ed7060368b46f84610b6b6823323297826

MD5 hash:

cba51dcdec84ac14ce1eaf2ede86f28b

SHA1 hash:

2e77e64525600817d96b4d9c497135c989e608ee

Link:

https://www.unpac.me/results/7b64f4ea-da15-4816-9c01-2bbd26db13ff/

SH256 hash:

02b2f2f948a5c28e99c394a907fbb2515f75f6cd82895df8a306079e31f4d4fa

MD5 hash:

8f32f4400b817e3616cc8ad5ce52ce1a

SHA1 hash:

27b71f4b53b4e7c6e1905c77a78d381fa546205c

Link:

https://www.unpac.me/results/7b64f4ea-da15-4816-9c01-2bbd26db13ff/

SH256 hash:

9a577d31e2c9a641f75ddaed2b0c4009e283d51c005e3fbbca81786bff761f21

MD5 hash:

ed61a5aa0f4d1ce89382122fd40086cb

SHA1 hash:

12d91d13eec29f2fd66fa4884d26798ffb2e1b34

Link:

https://www.unpac.me/results/7b64f4ea-da15-4816-9c01-2bbd26db13ff/

SH256 hash:

a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4

MD5 hash:

71f8ff22d13a3e8254fb1cc0212874a9

SHA1 hash:

41d4005a1b7b2256209752974d08236ec2c207df

Link:

https://www.unpac.me/results/7b64f4ea-da15-4816-9c01-2bbd26db13ff/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/a4a6a46d37ea/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/a4a6a46d37ea317706520732ba0af2a824a6cf6d214fe08c9f6879877cf473c4

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_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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