MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99bee9c7498d8bbf660140795ad31220000a408d8234f58bed07939779ce0ed4. 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 4 File information Comments

SHA256 hash: 99bee9c7498d8bbf660140795ad31220000a408d8234f58bed07939779ce0ed4
SHA3-384 hash: 26b29fc5722bc5e089e44f5fa9707ffe1695d6d68bfe444164ccadbf851271a2aaf54baf5ec3ac7b52224020a1478376
SHA1 hash: b66cd7c24d5867bc26ad615d33c0123fdc0c634a
MD5 hash: 50f80b086aac1820defd105200518c2f
humanhash: wolfram-uncle-avocado-march
File name:Quote-034600_500 KB.exe
Download: download sample
Signature AgentTesla
File size:1'120'768 bytes
First seen:2026-06-22 12:17:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'076 x AgentTesla, 20'036 x Formbook, 12'353 x SnakeKeylogger)
ssdeep 24576:xb2c6hIECGQ+H/JTL6CfpVobmRi/M9RTQ:xbPQiM/6CxqbmRh
Threatray 1'149 similar samples on MalwareBazaar
TLSH T1683501251D463B48CA7E0FB8C122145873F0D89783A6D72A2FFD51F59EA3B84CC6B952
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 James_inthe_box
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
170
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quote-034600__(~500 KB).rar
Verdict:
No threats detected
Analysis date:
2026-06-19 11:03:18 UTC
Tags:
arch-exec

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
virus micro msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook obfuscated obfuscated packed vbnet
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-18T11:35:00Z UTC
Last seen:
2026-06-23T10:54:00Z UTC
Hits:
~1000
Detections:
Trojan.MSIL.Inject.sb Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agensla.d PDM:Trojan.Win32.Generic Trojan.MSIL.Inject.b Trojan-PSW.Win32.Disco.sb Trojan.Win32.Inject.sb Trojan-Spy.Stealer.FTP.C&C Trojan-PSW.Agensla.TCP.C&C Trojan-PSW.MSIL.Agensla.sb Trojan-PSW.MSIL.Agensla.g HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan-PSW.MSIL.Agensla.gen VHO:Trojan-PSW.Win32.Stealer.gen
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.84 Win 32 Exe x86
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2026-06-18 14:41:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
23
AV detection:
29 of 38 (76.32%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
.NET Reactor proctector
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
Family: AgentTesla
Unpacked files
SH256 hash:
99bee9c7498d8bbf660140795ad31220000a408d8234f58bed07939779ce0ed4
MD5 hash:
50f80b086aac1820defd105200518c2f
SHA1 hash:
b66cd7c24d5867bc26ad615d33c0123fdc0c634a
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.

Comments