Analysis Report jkj.exe

Overview

General Information

Sample Name: jkj.exe
Analysis ID: 404218
MD5: 31a54357ddfa0fae7192a6ed14894b65
SHA1: b3ff92e6b5f224a8b03456956ec45f935ba723dc
SHA256: 7acc36989994a4fccf77ec05f9b9d79cd1d0b3280f54dd21eabea1b737fa43c0
Tags: AgentTeslaexe
Infos:

Most interesting Screenshot:

Detection

AgentTesla
Score: 100
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AgentTesla
Yara detected AntiVM3
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Mail credentials (via file access)
Antivirus or Machine Learning detection for unpacked file
Binary contains a suspicious time stamp
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
IP address seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE file contains strange resources
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample file is different than original file name gathered from version info
Uses 32bit PE files
Uses SMTP (mail sending)
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer

Classification

AV Detection:

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Found malware configuration
Source: 0.2.jkj.exe.445e700.2.unpack Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "info@sports024.comDANIEL3116us2.smtp.mailhostbox.com"}
Multi AV Scanner detection for submitted file
Source: jkj.exe Virustotal: Detection: 21% Perma Link
Source: jkj.exe ReversingLabs: Detection: 17%
Machine Learning detection for sample
Source: jkj.exe Joe Sandbox ML: detected
Antivirus or Machine Learning detection for unpacked file
Source: 2.2.jkj.exe.400000.0.unpack Avira: Label: TR/Spy.Gen8

Compliance:

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Uses 32bit PE files
Source: jkj.exe Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
Source: jkj.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT

Networking:

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Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Source: Traffic Snort IDS: 2030171 ET TROJAN AgentTesla Exfil Via SMTP 192.168.2.5:49726 -> 208.91.199.223:587
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.5:49726 -> 208.91.199.223:587
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 208.91.199.223 208.91.199.223
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.2.5:49726 -> 208.91.199.223:587
Source: unknown DNS traffic detected: queries for: us2.smtp.mailhostbox.com
Source: jkj.exe, 00000002.00000002.499467282.0000000002D01000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: jkj.exe, 00000002.00000002.499467282.0000000002D01000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: jkj.exe, 00000002.00000002.499467282.0000000002D01000.00000004.00000001.sdmp String found in binary or memory: http://lDWAxa.com
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: jkj.exe, 00000002.00000002.501100641.0000000002FAF000.00000004.00000001.sdmp String found in binary or memory: http://us2.smtp.mailhostbox.com
Source: jkj.exe String found in binary or memory: http://vbcity.com/forums/t/51894.aspx
Source: jkj.exe String found in binary or memory: https://github.com/MrCylops
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp String found in binary or memory: https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css
Source: jkj.exe, 00000002.00000002.501073952.0000000002FA9000.00000004.00000001.sdmp, jkj.exe, 00000002.00000002.501100641.0000000002FAF000.00000004.00000001.sdmp, jkj.exe, 00000002.00000002.499467282.0000000002D01000.00000004.00000001.sdmp, jkj.exe, 00000002.00000002.500942585.0000000002F6E000.00000004.00000001.sdmp String found in binary or memory: https://woZnmpjv3WDVYC.net
Source: jkj.exe, 00000000.00000002.242218894.0000000004289000.00000004.00000001.sdmp, jkj.exe, 00000002.00000002.496080669.0000000000402000.00000040.00000001.sdmp String found in binary or memory: https://www.theonionrouter.com/dist.torproject.org/torbrowser/9.5.3/tor-win32-0.4.3.6.zip
Source: jkj.exe, 00000002.00000002.499467282.0000000002D01000.00000004.00000001.sdmp String found in binary or memory: https://www.theonionrouter.com/dist.torproject.org/torbrowser/9.5.3/tor-win32-0.4.3.6.zip%tordir%%ha

System Summary:

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.NET source code contains very large array initializations
Source: 2.2.jkj.exe.400000.0.unpack, u003cPrivateImplementationDetailsu003eu007bDEE75E8Du002dE3EEu002d4C58u002dB0DBu002d0CE9CB50059Fu007d/F98C16E3u002dB035u002d43EDu002dAAE1u002d1886449A4C37.cs Large array initialization: .cctor: array initializer size 11936
Detected potential crypto function
Source: C:\Users\user\Desktop\jkj.exe Code function: 0_2_0312C2B0 0_2_0312C2B0
Source: C:\Users\user\Desktop\jkj.exe Code function: 0_2_03129990 0_2_03129990
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_00F2B498 2_2_00F2B498
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_00F25200 2_2_00F25200
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_00F26470 2_2_00F26470
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C110E 2_2_012C110E
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C5B68 2_2_012C5B68
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C0FE8 2_2_012C0FE8
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012CAE98 2_2_012CAE98
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C99B8 2_2_012C99B8
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C6318 2_2_012C6318
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C0310 2_2_012C0310
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C63B8 2_2_012C63B8
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012CE238 2_2_012CE238
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_012C9A18 2_2_012C9A18
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_02CC46A0 2_2_02CC46A0
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_02CC35AE 2_2_02CC35AE
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_02CC4672 2_2_02CC4672
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_02CC5392 2_2_02CC5392
Source: C:\Users\user\Desktop\jkj.exe Code function: 2_2_02CCDA00 2_2_02CCDA00
PE file contains strange resources
Source: jkj.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Sample file is different than original file name gathered from version info
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameSimpleUI.dll( vs jkj.exe
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameZYwGteJVgFXSnvZzvhPVYhghGRH.exe4 vs jkj.exe
Source: jkj.exe, 00000000.00000003.233786860.00000000043DD000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameDSASignature.dll@ vs jkj.exe
Source: jkj.exe, 00000000.00000000.228090436.0000000000F98000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameRuntimeMethodInfo.exe> vs jkj.exe
Source: jkj.exe, 00000001.00000000.235506598.0000000000118000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameRuntimeMethodInfo.exe> vs jkj.exe
Source: jkj.exe, 00000002.00000002.496793189.0000000000BE8000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameUNKNOWN_FILET vs jkj.exe
Source: jkj.exe, 00000002.00000002.496080669.0000000000402000.00000040.00000001.sdmp Binary or memory string: OriginalFilenameZYwGteJVgFXSnvZzvhPVYhghGRH.exe4 vs jkj.exe
Source: jkj.exe, 00000002.00000002.496712907.0000000000A58000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameRuntimeMethodInfo.exe> vs jkj.exe
Source: jkj.exe, 00000002.00000002.498271905.000000000111A000.00000004.00000020.sdmp Binary or memory string: OriginalFilenameclr.dllT vs jkj.exe
Source: jkj.exe, 00000002.00000002.498837681.0000000001210000.00000002.00000001.sdmp Binary or memory string: OriginalFilenamemscorrc.dllT vs jkj.exe
Source: jkj.exe Binary or memory string: OriginalFilenameRuntimeMethodInfo.exe> vs jkj.exe
Uses 32bit PE files
Source: jkj.exe Static PE information: 32BIT_MACHINE, EXECUTABLE_IMAGE
Source: jkj.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: 2.2.jkj.exe.400000.0.unpack, A/b2.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 2.2.jkj.exe.400000.0.unpack, A/b2.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: classification engine Classification label: mal100.troj.spyw.evad.winEXE@5/1@1/1
Source: C:\Users\user\Desktop\jkj.exe File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\jkj.exe.log Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Mutant created: \Sessions\1\BaseNamedObjects\oOlwZszkyqJJchNAeoYFpWZ
Source: jkj.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\jkj.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Users\user\Desktop\jkj.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\jkj.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: Select * from Clientes WHERE id=@id;;
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: Select * from Aluguel Erro ao listar Banco sql-Aluguel.INSERT INTO Aluguel VALUES(@clienteID, @data);
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType WHERE id=@id;
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType WHERE modelo=@modelo;
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: INSERT INTO Itens_Aluguel VALUES(@aluguelID, @aviaoID, @validade);
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: Insert into Clientes values (@nome, @cpf, @rg, @cidade, @endereco, @uf, @telefone);
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: INSERT INTO Aluguel VALUES(@clienteID, @data);
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: INSERT INTO SecurityLogonType VALUES(@modelo, @fabricante, @ano, @cor);
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType*Erro ao listar Banco sql-SecurityLogonType,Select * from SecurityLogonType WHERE id=@id;Select * from SecurityLogonType WHERE (modelo LIKE @modelo)
Source: jkj.exe Virustotal: Detection: 21%
Source: jkj.exe ReversingLabs: Detection: 17%
Source: unknown Process created: C:\Users\user\Desktop\jkj.exe 'C:\Users\user\Desktop\jkj.exe'
Source: C:\Users\user\Desktop\jkj.exe Process created: C:\Users\user\Desktop\jkj.exe C:\Users\user\Desktop\jkj.exe
Source: C:\Users\user\Desktop\jkj.exe Process created: C:\Users\user\Desktop\jkj.exe C:\Users\user\Desktop\jkj.exe
Source: C:\Users\user\Desktop\jkj.exe Process created: C:\Users\user\Desktop\jkj.exe C:\Users\user\Desktop\jkj.exe Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process created: C:\Users\user\Desktop\jkj.exe C:\Users\user\Desktop\jkj.exe Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{172BDDF8-CEEA-11D1-8B05-00600806D9B6}\InProcServer32 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Source: jkj.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: jkj.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: jkj.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG

Data Obfuscation:

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Binary contains a suspicious time stamp
Source: jkj.exe Static PE information: 0xB8BD3437 [Mon Mar 19 18:30:15 2068 UTC]
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\jkj.exe Code function: 0_2_0312AC31 push 5E042847h; ret 0_2_0312ACC8
Source: initial sample Static PE information: section name: .text entropy: 7.64113001914

Hooking and other Techniques for Hiding and Protection:

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Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Source: C:\Users\user\Desktop\jkj.exe Registry key monitored for changes: HKEY_CURRENT_USER_Classes Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

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Yara detected AntiVM3
Source: Yara match File source: 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: jkj.exe PID: 5768, type: MEMORY
Source: Yara match File source: 0.2.jkj.exe.32af58c.1.raw.unpack, type: UNPACKEDPE
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Users\user\Desktop\jkj.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Users\user\Desktop\jkj.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: WINE_GET_UNIX_FILE_NAME
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: SBIEDLL.DLL
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\jkj.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Users\user\Desktop\jkj.exe Window / User API: threadDelayed 4576 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Window / User API: threadDelayed 5223 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\jkj.exe TID: 6012 Thread sleep time: -102026s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe TID: 5384 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe TID: 3884 Thread sleep time: -20291418481080494s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe TID: 4440 Thread sleep count: 4576 > 30 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe TID: 4440 Thread sleep count: 5223 > 30 Jump to behavior
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Users\user\Desktop\jkj.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Users\user\Desktop\jkj.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\jkj.exe Thread delayed: delay time: 102026 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: vmware
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\VMWARE\VMWARE TOOLS\
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: SOFTWARE\VMware, Inc.\VMware Tools
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: VMware SVGA II!Add-MpPreference -ExclusionPath "
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: VMWARE
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: InstallPath%C:\PROGRAM FILES\VMWARE\VMWARE TOOLS\
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: VMWARE"SOFTWARE\VMware, Inc.\VMware ToolsLHARDWARE\DEVICEMAP\Scsi\Scsi Port 1\Scsi Bus 0\Target Id 0\Logical Unit Id 0LHARDWARE\DEVICEMAP\Scsi\Scsi Port 2\Scsi Bus 0\Target Id 0\Logical Unit Id 0'SYSTEM\ControlSet001\Services\Disk\Enum
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: VMware SVGA II
Source: jkj.exe, 00000000.00000002.239111016.0000000003281000.00000004.00000001.sdmp Binary or memory string: vmwareNSYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000
Source: jkj.exe, 00000002.00000002.505607331.00000000069C0000.00000004.00000001.sdmp Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dll
Source: C:\Users\user\Desktop\jkj.exe Process information queried: ProcessInformation Jump to behavior

Anti Debugging:

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Enables debug privileges
Source: C:\Users\user\Desktop\jkj.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

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.NET source code references suspicious native API functions
Source: jkj.exe, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: jkj.exe, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Source: 0.0.jkj.exe.ec0000.0.unpack, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: 0.0.jkj.exe.ec0000.0.unpack, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Source: 0.2.jkj.exe.ec0000.0.unpack, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: 0.2.jkj.exe.ec0000.0.unpack, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Source: 1.2.jkj.exe.40000.0.unpack, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: 1.2.jkj.exe.40000.0.unpack, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Source: 1.0.jkj.exe.40000.0.unpack, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: 1.0.jkj.exe.40000.0.unpack, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Source: 2.2.jkj.exe.400000.0.unpack, A/b2.cs Reference to suspicious API methods: ('A', 'MapVirtualKey@user32.dll')
Source: 2.2.jkj.exe.980000.1.unpack, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: 2.2.jkj.exe.980000.1.unpack, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Source: 2.0.jkj.exe.980000.0.unpack, Memory.cs Reference to suspicious API methods: ('WriteProcessMemory', 'WriteProcessMemory@kernel32.dll'), ('ReadProcessMemory', 'ReadProcessMemory@kernel32.dll')
Source: 2.0.jkj.exe.980000.0.unpack, ProcessClass.cs Reference to suspicious API methods: ('OpenProcess', 'OpenProcess@kernel32.dll')
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\jkj.exe Process created: C:\Users\user\Desktop\jkj.exe C:\Users\user\Desktop\jkj.exe Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Process created: C:\Users\user\Desktop\jkj.exe C:\Users\user\Desktop\jkj.exe Jump to behavior
Source: jkj.exe, 00000002.00000002.499038696.00000000016A0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: jkj.exe, 00000002.00000002.499038696.00000000016A0000.00000002.00000001.sdmp Binary or memory string: Progman
Source: jkj.exe, 00000002.00000002.499038696.00000000016A0000.00000002.00000001.sdmp Binary or memory string: SProgram Managerl
Source: jkj.exe, 00000002.00000002.499038696.00000000016A0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd,
Source: jkj.exe, 00000002.00000002.499038696.00000000016A0000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Users\user\Desktop\jkj.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Runtime.Remoting\v4.0_4.0.0.0__b77a5c561934e089\System.Runtime.Remoting.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Users\user\Desktop\jkj.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Management\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Management.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

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Yara detected AgentTesla
Source: Yara match File source: 00000002.00000002.496080669.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.242218894.0000000004289000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: jkj.exe PID: 5768, type: MEMORY
Source: Yara match File source: Process Memory Space: jkj.exe PID: 6092, type: MEMORY
Source: Yara match File source: 2.2.jkj.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.jkj.exe.445e700.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.jkj.exe.445e700.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.jkj.exe.431e450.3.raw.unpack, type: UNPACKEDPE
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Users\user\Desktop\jkj.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions Jump to behavior
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Tries to harvest and steal ftp login credentials
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Users\user\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect\ Jump to behavior
Tries to steal Mail credentials (via file access)
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Source: C:\Users\user\Desktop\jkj.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 00000002.00000002.499467282.0000000002D01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: jkj.exe PID: 6092, type: MEMORY

Remote Access Functionality:

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Yara detected AgentTesla
Source: Yara match File source: 00000002.00000002.496080669.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.242218894.0000000004289000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: jkj.exe PID: 5768, type: MEMORY
Source: Yara match File source: Process Memory Space: jkj.exe PID: 6092, type: MEMORY
Source: Yara match File source: 2.2.jkj.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.jkj.exe.445e700.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.jkj.exe.445e700.2.raw.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.jkj.exe.431e450.3.raw.unpack, type: UNPACKEDPE
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 404218 Sample: jkj.exe Startdate: 04/05/2021 Architecture: WINDOWS Score: 100 20 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->20 22 Found malware configuration 2->22 24 Multi AV Scanner detection for submitted file 2->24 26 6 other signatures 2->26 6 jkj.exe 3 2->6         started        process3 file4 16 C:\Users\user\AppData\Local\...\jkj.exe.log, ASCII 6->16 dropped 28 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->28 30 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->30 10 jkj.exe 2 6->10         started        14 jkj.exe 6->14         started        signatures5 process6 dnsIp7 18 us2.smtp.mailhostbox.com 208.91.199.223, 49726, 587 PUBLIC-DOMAIN-REGISTRYUS United States 10->18 32 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->32 34 Tries to steal Mail credentials (via file access) 10->34 36 Tries to harvest and steal ftp login credentials 10->36 38 Tries to harvest and steal browser information (history, passwords, etc) 10->38 signatures8
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs

Contacted Public IPs

IP Domain Country Flag ASN ASN Name Malicious
208.91.199.223
us2.smtp.mailhostbox.com United States
394695 PUBLIC-DOMAIN-REGISTRYUS false

Contacted Domains

Name IP Active
us2.smtp.mailhostbox.com 208.91.199.223 true