MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b. 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 21 File information Comments

SHA256 hash:	39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b
SHA3-384 hash:	9ea3362b7f276c147c3d383048363b146e0a2a21a87aefb826c25409a49c39b7cfa9dbef29c3b31dca22d61062abbb2e
SHA1 hash:	d67b37e144112e75cea9aa32f3c29775c8cfe045
MD5 hash:	41373fb609440bc4177a1db81e594b69
humanhash:	enemy-california-may-tango
File name:	USD BANK DETAILS.PNG.exe
Download:	download sample
Signature	AgentTesla Create hunting rule
File size:	686'600 bytes
First seen:	2024-05-22 06:13:10 UTC
Last seen:	2024-05-23 15:52:34 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	12288:CCguti8LkpEatDtW4uBiCv4CFXuOkq9b6O9P7Q0NRUONkR:Fj4jEiWliCwwu8oYP7Q0NRUn
Threatray	4'064 similar samples on MalwareBazaar
TLSH	T14DE4229337AD52B6EB799CF140FD86122BB0B6476805F7AE1CF564CA28E5B906304337
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	0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter	threatcat_ch
Tags:	AgentTesla Bank exe

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

Vendor Threat Intelligence

Malware family:

agenttesla

ID:

File name:

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b.exe

Verdict:

Malicious activity

Analysis date:

2024-05-22 06:15:34 UTC

Tags:

stealer agenttesla exfiltration

Link:

https://app.any.run/tasks/f49b85ca-6241-432f-8a0a-d84dc55300b3

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.24377.14071.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

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

Creating a file

Using the Windows Management Instrumentation requests

Creating a file in the %AppData% subdirectories

Reading critical registry keys

DNS request

Connection attempt

Sending a custom TCP request

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

Stealing user critical data

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Unauthorized injection to a system process

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

masquerade overlay packed

Link:

https://www.filescan.io/uploads/664d8d317f3804904dff7906/reports/a0a7306c-b6ee-4d12-ab9f-2311346b1b46/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

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/4e1607cc-7903-4662-9352-2633de5c57ca

Result

Threat name:

AgentTesla

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1445555

Signature

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

Allocates memory in foreign processes

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

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

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 ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Mail credentials (via file / registry access)

Uses an obfuscated file name to hide its real file extension (double extension)

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

Writes to foreign memory regions

Yara detected AgentTesla

Yara detected AntiVM3

Yara detected Generic Downloader

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

Detection:

agenttesla

Link:

https://mwdb.cert.pl/sample/39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b/

Threat name:

Win32.Spyware.Negasteal

Status:

Malicious

First seen:

2024-05-22 02:33:35 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

2/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=hh7eimuekpw3i2ecahynhrwa2b52uzozf3q4lyfnjfv4ohi3bsnq._file

Verdict:

malicious

AgentTesla

742d5abe0d2712d207d02d22982ec5d84e3ac77e07e70c6e6c6720a147a16d89

AgentTesla

af852fa71e4e2979b288920a1144bc6fdeaf4b47747e6a18a457f1242ab8f7cd

AgentTesla

df9cda22adcc6f050ef0efcf8e93248b254d4708a2616b08531911d10b2a1eb1

AgentTesla

+ 4'054 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-gzbyqseg7z/

Behaviour

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Suspicious use of SetThreadContext

Adds Run key to start application

Checks computer location settings

Command and Scripting Interpreter: PowerShell

AgentTesla

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/007d408c-3b73-4017-9d03-9c09c09a92ec

Unpacked files

SH256 hash:

0b7dcc18b0ef39734a24ca5923b02df82c670d08365fe376f2ed4ff9fcbc6303

MD5 hash:

0441cc0dacc6d821252e66a156b1d9bd

SHA1 hash:

df46cc702950a53a5de7b804d2076ef03f8ac6b4

Link:

https://www.unpac.me/results/a633b195-730b-4629-98e6-a7fc7b997823/

SH256 hash:

dd67b48529d07420f1c8e4d965df998bcf3c16030ee5a8b062f475fa0f8f9dfc

MD5 hash:

f6d7701b34139f26079eb68c0ce8305f

SHA1 hash:

d47e3708987eb400bb59cc0a621b029d772de2bf

Link:

https://www.unpac.me/results/a633b195-730b-4629-98e6-a7fc7b997823/

SH256 hash:

3bde907faa9f070f46b964ea6e7d14e13edd514533492b491e5c745b64c7b742

MD5 hash:

43b37de5de28b6954c875a48cd608077

SHA1 hash:

d213263ff3b4d7ab888d05c10c25e3d8f0df5bc8

Link:

https://www.unpac.me/results/a633b195-730b-4629-98e6-a7fc7b997823/

SH256 hash:

9e7f2840f177fc2bd5859256cf66c1ff6582950cbb59fa8bdb9c42eba75f4d96

MD5 hash:

a51d574cd289c2047172da1dd637de03

SHA1 hash:

b1be6dba3e1f33e05a5e6dd1f09e6df7a3885ec1

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/a633b195-730b-4629-98e6-a7fc7b997823/

Parent samples :

cab365bef3c1921637ebf8e2929ed130e58009b5c739548954f23a1eab3de1a2
0eebf72cc9f4ef61a8f3156e1c01ba3925678f75522e494abcde74c3eadc9e85
dab08316237689567503235b86da2d588db8bb578efad464a92244ed4845e68d
d805fa30c5a21577d313cdd875417e3a3cb4a95e67f71ddeeff0231808f0223b
09a3694a94074c3c3c29f6a7c03b74a8f87b79635958b820bcaed112afe0cea9
d3ee113c39ec074e30b6248bc6362ee4c742214e075538b708384e01bf1e2d97
fcaaf8296552e9a4bb23f21e2c88801c3783a163626b44b6cef6e17bbde07bf0
63219f4d5975bf956a1c5c8b98011f721cfb1e2b4894c6ec9f5a94d77e2652e8
39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b
c5f86f85e52efd5177495ad2d53703196ce09c3503a540c99d50c1ae968b0a8f
7fc26cd7c47a6df2161ff027d6ae130d68330e7db4ef0f5f0a27edbcc7802762
da9541943d92927db01c0fed64c86ea72c144306e3f1ef7794a4705261a67f69
43680608a81e3c70808c20c9ccd1e028a35888347fef8e661c4fc4bc77dd033c
a8f2236113b02ad70869ff572265549d509530a6206b8afeb9dc11f458599c09
bf252b8ef4fb77ea9b7a7369d779f7bcb5160bb2af7d40859978b78d873400b4
11c37fead8b02d4646499109187b632dc2ec2f49d842e7aabb3bb93d7ce3d538
5223dbf673bce63ab81bbdfecc931ddd6d9a8d3c138e269e479e56167eed1c50
fec7c785b5cab74579e38a8b33a3fdfa91ea44356f31c29b793680f7740f663e
9e7f2840f177fc2bd5859256cf66c1ff6582950cbb59fa8bdb9c42eba75f4d96
3529d112d7187b8dbb5a73b031c1cf1c7341a49d84290d98065be1786874b76a
ed48c621c71ba4656924a10d327ea39fd70f6435813b2811465ac1ae2b77ce61
ca9f996e829c1e7ad89c66f78bde33741d46a0b7ed03c8892f263937b0e6b400
5620e82c34754f8c0a8ee61597fd43b037e810f2dc2be1b2968dfbfee279bd26
b9fecad5e2608354188022661b5e468b713da87adaaeda9d574fd3526c39cde3

SH256 hash:

39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

MD5 hash:

41373fb609440bc4177a1db81e594b69

SHA1 hash:

d67b37e144112e75cea9aa32f3c29775c8cfe045

Detections:

INDICATOR_KB_CERT_7c1118cbbadc95da3752c46e47a27438

Link:

https://www.unpac.me/results/a633b195-730b-4629-98e6-a7fc7b997823/

Malware family:

AgentTesla

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/39fe44328453/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/39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

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_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:	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_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.

Malspam

AgentTesla

exe 39fe44328453edb4688201f0d3c6c0d07baa65d92ee1c5e0ad496bc71d1b0c9b

(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 (HIGH_ENTROPY_VA)	high

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