MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6. 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: 19

Intelligence 19 IOCs YARA 18 File information Comments

SHA256 hash:	3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6
SHA3-384 hash:	7a206fc2f1022fa998256e50d8ddc9b113a89eab08eace2ea667dbf89c61e360c808e71bc43531bbb2b95931af03e74f
SHA1 hash:	d368d6b2507f3523702b855a19f0b6eb8380320b
MD5 hash:	784ba798f9aa395a8ed0cd2d1e557320
humanhash:	muppet-massachusetts-robin-ceiling
File name:	739077083533. FedEX_13100976 _20.05.2024 %100%_jpg.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	686'080 bytes
First seen:	2024-05-22 18:42:20 UTC
Last seen:	2024-05-22 19:28:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep	12288:yfz4TLzf3S3WNDTOlZhMAKA/9hdW3GTTdxfCu5SY3+Uln+MymlyblNQbf:2z4TLzf3OWZiVMAz/9PWmTuuY/zmlyhS
Threatray	3'920 similar samples on MalwareBazaar
TLSH	T139E4230CBBB569D3C46E83F7E579811647B492903A47D2CD9EDA78924EA7F0841C3F0A
TrID	69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10523/12/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):
dhash icon	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	abuse_ch
Tags:	AgentTesla exe FedEx

Intelligence

File Origin

# of uploads :

# of downloads :

329

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6.exe

Verdict:

Malicious activity

Analysis date:

2024-05-22 19:48:21 UTC

Tags:

stealer agenttesla exfiltration

Link:

https://app.any.run/tasks/7e4ac7e4-30e1-4119-be68-6e3dafd9d59f

Note:

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

Detection(s):

SecuriteInfo.com.Trojan.PackedNET.2858.24081.2397.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=664e3e2c5cf3edbd616ef7a3win7simulatehigh_evasion

Tags:

Stealth Gensteal

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

Setting a keyboard event handler

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

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Stealing user critical data

Adding an exclusion to Microsoft Defender

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

masquerade packed

Link:

https://www.filescan.io/uploads/664e3cbd7f3804904d00675d/reports/8bd1387e-617d-41a2-abd6-4f5b3d5de00c/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

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/29e61bec-1494-41f2-b795-63e2766d855d

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1446056

Signature

.NET source code contains potential unpacker

.NET source code contains very large array initializations

Adds a directory exclusion to Windows Defender

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Contains functionality to log keystrokes (.Net Source)

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Injects a PE file into a foreign processes

Installs a global keyboard hook

Loading BitLocker PowerShell Module

Machine Learning detection for dropped file

Machine Learning detection for sample

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

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, 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:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6/

Threat name:

ByteCode-MSIL.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-22 11:06:41 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hf46wjbsewdyuezroiwxp3vx2wjxnenj5ajsfp7cj5noeovikx3a._file

Verdict:

malicious

Label(s):

agenttesla_v4

agenttesla

AgentTesla

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

AgentTesla

af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd

AgentTesla

dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04

AgentTesla

e0e366834de34a6e93035842b46662c2b1b05d350c1218953f8faab632ead3ae

AgentTesla

+ 3'910 additional samples on MalwareBazaar

Result

Malware family:

agenttesla

Score:

10/10

Tags:

family:agenttesla execution keylogger persistence spyware stealer trojan

Link:

https://tria.ge/reports/240522-xcy3racd6v/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Command and Scripting Interpreter: PowerShell

AgentTesla

Unpacked files

SH256 hash:

0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303

MD5 hash:

0441cc0dacc6d821252e66a156b1d9bd

SHA1 hash:

df46cc702950a53a5de7b804d2076ef03f8ac6b4

Link:

https://www.unpac.me/results/706f5c92-8309-4731-b8c9-bc0eb1a13efa/

SH256 hash:

f6ccd9b7c1ff6661cb27f738d1dee25c150ad324c77e6d0423a3a67c5fdd0331

MD5 hash:

012cd62fad50c982086953b54871aa4a

SHA1 hash:

b5f9315a4e489cdbb98cb837729e2d8f61b27a71

Link:

https://www.unpac.me/results/706f5c92-8309-4731-b8c9-bc0eb1a13efa/

SH256 hash:

2d9da9b03cbd20b47a292376ae7eb1d6cbf1e81549b26b53db767f8ceda705cd

MD5 hash:

c98da162ac35780b770f3475e17ec924

SHA1 hash:

555fbc70b564be8256042b84a3072f69b053f5c5

Link:

https://www.unpac.me/results/706f5c92-8309-4731-b8c9-bc0eb1a13efa/

SH256 hash:

ba3bf02ebbe2a57d698ee2f46f90c2ce3432427502274fa9fa158d218b846126

MD5 hash:

d992fd3f40226173c5b9694ae95737ad

SHA1 hash:

52f41686022e529cf1df6c3c1767fa60603a4f42

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/706f5c92-8309-4731-b8c9-bc0eb1a13efa/

Parent samples :
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SH256 hash:

3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

MD5 hash:

784ba798f9aa395a8ed0cd2d1e557320

SHA1 hash:

d368d6b2507f3523702b855a19f0b6eb8380320b

Link:

https://www.unpac.me/results/706f5c92-8309-4731-b8c9-bc0eb1a13efa/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/3979eb243225/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/3979eb243225878a1331722d77eeb7d5937691a9e81322bfe24f5ae23aa855f6

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:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

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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