MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a38a9488cb0c8b1cd817fa2c8bc854eb1a77ebc3adf94a75dbf5d8a4c5bb045. 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: 20


Intelligence 20 IOCs YARA 5 File information Comments

SHA256 hash: 1a38a9488cb0c8b1cd817fa2c8bc854eb1a77ebc3adf94a75dbf5d8a4c5bb045
SHA3-384 hash: 9bf18dc18fb412b94b81937936512d6a9065b7c52bd6a081056b4a70b5132ae611d152821a380bdfa04da9ef607af9e2
SHA1 hash: 122902e39fcc5adf70eba5ea1242a1fb47d5cc5f
MD5 hash: 8bc4ac6edaf99bd140663971ca2e2eaa
humanhash: massachusetts-cup-alanine-sweet
File name:Bank_Payment_Advice20396.exe
Download: download sample
Signature AgentTesla
File size:993'280 bytes
First seen:2026-05-22 11:25:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'012 x AgentTesla, 19'917 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 24576:yhhwZteoa4MawZDp3wlzU2ZB0BMfF1AGI3LwGkBgTIs5R3AMj:cwVVMaCp3wlzNB0+fXAGI3sGZTIsQg
TLSH T183251209260DD812C8525FB48C72D5F82BB99EDCD514D3039FEA7EEFB83A755094A382
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter threatcat_ch
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
204
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
_1a38a9488cb0c8b1cd817fa2c8bc854eb1a77ebc3adf94a75dbf5d8a4c5bb045.exe
Verdict:
Malicious activity
Analysis date:
2026-05-22 11:28:18 UTC
Tags:
netreactor auto-reg stealer ip-check evasion ultravnc rmm-tool agenttesla

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
shell micro lien hype
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
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Changing 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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 masquerade packed
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-22T08:23:00Z UTC
Last seen:
2026-05-24T09:28:00Z UTC
Hits:
~100
Detections:
Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Trojan-PSW.MSIL.Agensla.g Trojan-PSW.MSIL.Agensla.d HEUR:Trojan-Spy.MSIL.Noon.gen Trojan-PSW.MSIL.Agent.sb VHO:Backdoor.Win32.Convagent.gen Trojan.Win32.Vimditator.sb Trojan-PSW.Win32.Disco.sb Trojan-PSW.MSIL.Agensla.sb Trojan.MSIL.Dnoper.sb Trojan-PSW.Win32.Stealer.sb Trojan-Dropper.Win32.Injector.sb HEUR:Trojan-Spy.MSIL.Agent.sb Backdoor.Win32.Androm.sb
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected malicious Powershell script
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Found malware configuration
Found Tor onion address
Initial sample is a PE file and has a suspicious name
Joe Sandbox ML detected suspicious sample
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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 TOR for connection hidding
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1917624 Sample: Bank_Payment_Advice20396.exe Startdate: 22/05/2026 Architecture: WINDOWS Score: 100 62 mail.onionmail.org 2->62 64 ip-api.com 2->64 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 Malicious sample detected (through community Yara rule) 2->76 80 17 other signatures 2->80 8 Bank_Payment_Advice20396.exe 1 7 2->8         started        12 ZTkVTw.exe 2->12         started        14 powershell.exe 19 2->14         started        16 3 other processes 2->16 signatures3 78 Uses TOR for connection hidding 62->78 process4 dnsIp5 48 C:\Users\user\AppData\Roaming\ZTkVTw.exe, PE32 8->48 dropped 50 C:\Users\user\...\ZTkVTw.exe:Zone.Identifier, ASCII 8->50 dropped 52 C:\Users\user\AppData\...\k3eup5hr1h2.ps1, ASCII 8->52 dropped 54 C:\Users\...\Bank_Payment_Advice20396.exe.log, ASCII 8->54 dropped 100 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->100 102 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->102 104 Creates autostart registry keys with suspicious values (likely registry only malware) 8->104 108 3 other signatures 8->108 19 Bank_Payment_Advice20396.exe 15 2 8->19         started        23 powershell.exe 23 8->23         started        106 Adds a directory exclusion to Windows Defender 12->106 25 ZTkVTw.exe 12->25         started        27 powershell.exe 12->27         started        29 ZTkVTw.exe 12->29         started        31 ZTkVTw.exe 5 14->31         started        34 conhost.exe 14->34         started        60 127.0.0.1 unknown unknown 16->60 36 ZTkVTw.exe 16->36         started        38 2 other processes 16->38 file6 signatures7 process8 dnsIp9 66 ip-api.com 208.95.112.1, 49683, 49695, 80 TUT-AS-TotalUptimeTechnologiesLLCUS United States 19->66 68 173.249.33.206, 25 CONTABODE Germany 19->68 70 2 other IPs or domains 19->70 82 Loading BitLocker PowerShell Module 23->82 40 conhost.exe 23->40         started        84 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 25->84 86 Tries to steal Mail credentials (via file / registry access) 25->86 88 Found Tor onion address 25->88 96 2 other signatures 25->96 42 conhost.exe 27->42         started        56 C:\Windows\Temp\yb4oprsg.inf, Windows 31->56 dropped 90 Antivirus detection for dropped file 31->90 92 Multi AV Scanner detection for dropped file 31->92 94 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 31->94 98 2 other signatures 31->98 44 cmstp.exe 31->44         started        58 C:\Windows\Temp\gtoxcal5.inf, Windows 36->58 dropped 46 cmstp.exe 36->46         started        file10 signatures11 process12
Gathering data
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2026-05-22 11:08:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 37 (67.57%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
wannacryptor zgrat agenttesla
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection discovery execution keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
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
Command and Scripting Interpreter: PowerShell
Family: AgentTesla
Unpacked files
SH256 hash:
1a38a9488cb0c8b1cd817fa2c8bc854eb1a77ebc3adf94a75dbf5d8a4c5bb045
MD5 hash:
8bc4ac6edaf99bd140663971ca2e2eaa
SHA1 hash:
122902e39fcc5adf70eba5ea1242a1fb47d5cc5f
SH256 hash:
6a6e50518511d2bf5da6752af1ddac5717e04b137738168ae4abd8f6f5a1d260
MD5 hash:
ddefa44c81219499a0a8a8f9cc3b6274
SHA1 hash:
0b15daeb9ce9ba285ae4d43285b07870963bf063
SH256 hash:
0ee0836b9cc684c5c7e9579b575e3643d8fb915fb1068cd86dcaba26e56f3302
MD5 hash:
d7677ea68b754e2c7945ce9d1a4243d6
SHA1 hash:
4bab2b88cdf0a66dfe2733ecc6156227ff39db22
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe 1a38a9488cb0c8b1cd817fa2c8bc854eb1a77ebc3adf94a75dbf5d8a4c5bb045

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments