MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d1bf62935a6bf2712c9910da6e437f4dfaa52bbca5aae7c871a7c105a65aa0. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: b4d1bf62935a6bf2712c9910da6e437f4dfaa52bbca5aae7c871a7c105a65aa0
SHA3-384 hash: bad0c2f86ef6f1c456e9ca22cc05e4153f22d979e963072f0fff11552502242d9268531541632036c05e2d5c06c2ac05
SHA1 hash: d26a957276a3adf6089c5b7364c7e0f251887281
MD5 hash: 8a35f27c6722a9ef4696c9b23be13cef
humanhash: uranus-helium-july-massachusetts
File name:b4d1bf62935a6bf2712c9910da6e437f4dfaa52bbca5aae7c871a7c105a65aa0
Download: download sample
Signature AgentTesla
File size:985'600 bytes
First seen:2026-08-10 14:30:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'190 x AgentTesla, 20'337 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 24576:gj/Og3KLGMSJuZxdESQ9TwTGYmKtlyHdQk1QHoQDq3ZOg+t:SP6wQndU9oGytm68IqEg+t
TLSH T1FF25233293B1EA16E5B107F409F0E23483795DADA430C65B8FE6ADEFB81572418987D3
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 adrian__luca
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
47
Origin country :
HU HU
Vendor Threat Intelligence
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:
entropy packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-17T07:50:00Z UTC
Last seen:
2026-08-04T02:56:00Z UTC
Hits:
~100
Gathering data
Threat name:
Win32.Trojan.PureLogsStealer
Status:
Malicious
First seen:
2026-07-17 15:13:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
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
SmartAssembly .NET packer
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 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:
b4d1bf62935a6bf2712c9910da6e437f4dfaa52bbca5aae7c871a7c105a65aa0
MD5 hash:
8a35f27c6722a9ef4696c9b23be13cef
SHA1 hash:
d26a957276a3adf6089c5b7364c7e0f251887281
SH256 hash:
01ff3e706f0f3928207b5e020eebb9ed38428dfbbf0f8c46aeec328b73519160
MD5 hash:
bbb0d2ca9a21d5a1f6c9059e108ea3ee
SHA1 hash:
5accd45f4a70a26b6ce07e04cc3820e99187a818
SH256 hash:
b2448769dcb7773d6a6be4185127c44e5fab8c5374490cb224ff690345c9d333
MD5 hash:
e0e6dd36c36f830bfd0243d8ecbe77ea
SHA1 hash:
e7e70eb4d37080efa5afeea43533b1c293976ccc
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

File information


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

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