MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa. 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: 16

Intelligence 16 IOCs YARA 17 File information Comments

SHA256 hash:	46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa
SHA3-384 hash:	8a63d51fba6c7b33dcba151273d8f94974503290ea86db1f3dc7a2d08c416fc5c1481698876bafcb2932e99b938d9b8d
SHA1 hash:	c6cbe18872d202cbd1aa7a2d0b2e2d163731aebe
MD5 hash:	39da1005b4c719762452347ad9605155
humanhash:	jupiter-batman-glucose-jersey
File name:	receipt-73633T36X90N.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	768'512 bytes
First seen:	2024-04-15 13:18:41 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:nWONB6AqpLDakfduUG7KbkKQPfA7cXxDhFC0Wd:WONFkLGGIUgKIKM47ehFt
Threatray	753 similar samples on MalwareBazaar
TLSH	T16CF4222472EDDF33E3BF6BF8887859104B7179E9602CF28D5E8680C91129F415A61F9B
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	00822a6ed7a78600 (12 x AgentTesla, 2 x Neshta, 2 x Formbook)
Reporter	adrian__luca
Tags:	AgentTesla exe

Intelligence

File Origin

# of uploads :

# of downloads :

323

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa.exe

Verdict:

Malicious activity

Analysis date:

2024-04-15 13:22:02 UTC

Tags:

stealer agenttesla

Link:

https://app.any.run/tasks/0968a37f-2939-41f3-8504-d2042b963c5a

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

Сreating synchronization primitives

Creating a process with a hidden window

Creating a file in the %AppData% directory

Enabling the 'hidden' option for recently created files

Adding an access-denied ACE

Creating a file in the %temp% directory

Launching a process

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

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

explorer lolbin packed

Link:

https://www.filescan.io/uploads/661d295954bafb7d21cd2df8/reports/007aac58-59e1-464d-bb6f-7a46f4cbd2b8/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa

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/0cac45e4-fce4-4382-86b5-b76c507fb237

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1426102

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

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

Loading BitLocker PowerShell Module

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

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

Sigma detected: Scheduled temp file as task from temp location

Snort IDS alert for network traffic

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)

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected AgentTesla

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-04-15 05:52:24 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

16 of 23 (69.57%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=i34qgejocm54kz6fiojkq5wxnaabugju45orptrbt3cbuedd2gva._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

43ba52dbbb5b429c68cdf2c4af2f304be871646c633d72099e9c9b9ceb8fef93

AgentTesla

4ec8f72bf35c4a1de223b92521d3e0c996809eaf52f50960d8580e89be6152e7

AgentTesla

75c96c8d4e720fe1290200707fcca94188b4525dcc8ae2f1dfe49068b7bb3e83

AgentTesla

7845739be7bf4d602cbaa0f0a900bea3c631c439eb57fe53d92b3686c49c4b80

AgentTesla

a3a6bfe5a3988d524fafea932f3c02cefb58c149a99900ff9bde8c4c9f317723

AgentTesla

+ 743 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla keylogger spyware stealer trojan

Link:

https://tria.ge/reports/240415-qkjjpshf3v/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Checks computer location settings

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:

1bbaa283039bba05df33650e32912f8a8926a657ae9f0b2fce25479df72047c6

MD5 hash:

b08dc9c858d71b140bbd4ac79ca677a7

SHA1 hash:

f5f35a24c8f58cb517ec61dbb2cf93ee66bd9856

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/cd965943-1606-4d9b-b5d4-75fa5bd06b0f/

Parent samples :

ceaee7b17b8e34dd07ecc0bd94b23209ae391eaab810d0b2c3a34f2ea40f7bb3
46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa
c4e0d8ae7e8574576dcae763e892888f741dd72178aa61e31cde60c17af6683c
390b2151f97ed90201b625b089bee042304fe998171e2d9452135eecf416b17a
d54abd6ac9348ed05c33f77ae723cb262bd89fcce7d4d449f16b31ed01f401f4
abd0798df773037732e34f3a268722a239ea2072b49e3a62bd028e56dc7ff87b
564c051102c81d441815759ce075755af3dbc66b0a0ac6dc31d43d87a0372fe1
f2bd6f1be1729f6daf87b931f5d92b20220553dca9bd4f3fd2e43672708d78c8
abd32c39e276956fd1c91bb346763590209bd066f157f9e9fae6449b44653c3d
d252032918f92158cab050e67069c51851bf1e89e7889bc81ec6348bdb916cb3

SH256 hash:

8a5e606838a42d06b348a4da013fd16f8abe7544095198a2957800de88facbe9

MD5 hash:

faab0db5c1568a3b4a40999a36fd3f06

SHA1 hash:

87c326c5b60508d5e79c6a7190aa45a6ecc7bf04

Link:

https://www.unpac.me/results/cd965943-1606-4d9b-b5d4-75fa5bd06b0f/

SH256 hash:

fd1ecc110c0133a6f1930ad125775ff62f9f93b553b59c075216e73a741526fb

MD5 hash:

8c024b7fa0417a269a8dbf60612275b4

SHA1 hash:

74740bd42df5423238e72ee1292757f35c986fa6

Link:

https://www.unpac.me/results/cd965943-1606-4d9b-b5d4-75fa5bd06b0f/

SH256 hash:

3c1bddb687a4b72f4be4fd412805d5bd678a6003e0b7075eb5874c6df737d4b7

MD5 hash:

987d1c038230d109c05f14db5d343167

SHA1 hash:

483a527043e353419d98de62172542b4f1319655

Detections:

INDICATOR_EXE_Packed_SmartAssembly

Link:

https://www.unpac.me/results/cd965943-1606-4d9b-b5d4-75fa5bd06b0f/

Parent samples :

75c96c8d4e720fe1290200707fcca94188b4525dcc8ae2f1dfe49068b7bb3e83
aec8415d0972e902d53d348ebc7beaf6c575f9ec6e12791173ab1d84e90a1109
7d17f84cab786296bb3ac7001e3706f112db5b69c82789b709f6cec2ea0fd116
849f8e0fe82c9e9606234c3c6018ca5f94f063d90bf00e9d551002276485892a
46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa

SH256 hash:

46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa

MD5 hash:

39da1005b4c719762452347ad9605155

SHA1 hash:

c6cbe18872d202cbd1aa7a2d0b2e2d163731aebe

Link:

https://www.unpac.me/results/cd965943-1606-4d9b-b5d4-75fa5bd06b0f/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/46f903112e13/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/46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa

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:	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.

Malspam

AgentTesla

exe 46f903112e133bc567c54392a876d768001a1934e75d17ce219ec41a1063d1aa

(this sample)

Delivery method

Distributed via e-mail attachment

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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