Analysis Report PO.#4500499953.exe

Overview

General Information

Sample Name: PO.#4500499953.exe
Analysis ID: 412549
MD5: 3b920d971cef2b8e6ff4bb93f42c32da
SHA1: 86d3cd18267a89809c94c5c6b4b880b6d4794a8a
SHA256: 328426769c5f5c7565f97853d192f418a16d4bbb9fe6f67584c7aab17fc79eff
Tags: exe
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
Yara detected AgentTesla
Yara detected AgentTesla
Yara detected AntiVM3
.NET source code contains very large array initializations
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for sample
Modifies the hosts file
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
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains long sleeps (>= 3 min)
Creates a DirectInput object (often for capturing keystrokes)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
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
Internet Provider 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:

barindex
Found malware configuration
Source: 1.2.RegSvcs.exe.400000.0.unpack Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "rasha.adel@wasstech.comSunray2700@@wasstech.com"}
Multi AV Scanner detection for submitted file
Source: PO.#4500499953.exe Virustotal: Detection: 31% Perma Link
Source: PO.#4500499953.exe ReversingLabs: Detection: 40%
Machine Learning detection for sample
Source: PO.#4500499953.exe Joe Sandbox ML: detected
Antivirus or Machine Learning detection for unpacked file
Source: 1.2.RegSvcs.exe.400000.0.unpack Avira: Label: TR/Spy.Gen8

Compliance:

barindex
Uses 32bit PE files
Source: PO.#4500499953.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED
Source: PO.#4500499953.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: Binary string: RegSvcs.pdb, source: RegSvcs.exe, 00000001.00000003.870801440.0000000005BCB000.00000004.00000001.sdmp, NXLun.exe, 0000000C.00000002.734440753.0000000000B02000.00000002.00020000.sdmp, NXLun.exe, 00000011.00000000.749964689.0000000000DE2000.00000002.00020000.sdmp, NXLun.exe.1.dr
Source: Binary string: System.EnterpriseServices.Wrapper.pdb source: NXLun.exe, 0000000C.00000002.735168937.0000000002D50000.00000002.00000001.sdmp
Source: Binary string: RegSvcs.pdb source: NXLun.exe, NXLun.exe.1.dr

Networking:

barindex
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.2.4:49770 -> 204.93.196.181:587
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 204.93.196.181 204.93.196.181
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: SERVERCENTRALUS SERVERCENTRALUS
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.2.4:49770 -> 204.93.196.181:587
Source: unknown DNS traffic detected: queries for: wasstech.com
Source: RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: RegSvcs.exe, 00000001.00000002.920358509.0000000005C09000.00000004.00000001.sdmp String found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c0
Source: RegSvcs.exe, 00000001.00000002.920358509.0000000005C09000.00000004.00000001.sdmp String found in binary or memory: http://cps.letsencrypt.org0
Source: RegSvcs.exe, 00000001.00000002.920358509.0000000005C09000.00000004.00000001.sdmp String found in binary or memory: http://cps.root-x1.letsencrypt.org0
Source: RegSvcs.exe, 00000001.00000002.920358509.0000000005C09000.00000004.00000001.sdmp String found in binary or memory: http://crl.identrust.com/DSTROOTCAX3CRL.crl0
Source: RegSvcs.exe, 00000001.00000002.920358509.0000000005C09000.00000004.00000001.sdmp String found in binary or memory: http://r3.i.lencr.org/0
Source: RegSvcs.exe, 00000001.00000002.920358509.0000000005C09000.00000004.00000001.sdmp String found in binary or memory: http://r3.o.lencr.org0
Source: PO.#4500499953.exe, 00000000.00000002.658913936.0000000002721000.00000004.00000001.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp String found in binary or memory: http://swoEaw.com
Source: RegSvcs.exe, 00000001.00000002.917142846.0000000002C67000.00000004.00000001.sdmp String found in binary or memory: http://wasstech.com
Source: RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp String found in binary or memory: https://api.ipify.org%$
Source: RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp String found in binary or memory: https://api.ipify.org%GETMozilla/5.0
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp String found in binary or memory: https://stackpath.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css
Source: RegSvcs.exe, 00000001.00000002.917213367.0000000002C8B000.00000004.00000001.sdmp, RegSvcs.exe, 00000001.00000002.917230712.0000000002C93000.00000004.00000001.sdmp, RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp String found in binary or memory: https://wZhClIFSimrbT.com
Source: PO.#4500499953.exe, 00000000.00000002.659929187.0000000003898000.00000004.00000001.sdmp, RegSvcs.exe, 00000001.00000002.915098817.0000000000402000.00000040.00000001.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: RegSvcs.exe, 00000001.00000002.916672093.0000000002901000.00000004.00000001.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

Key, Mouse, Clipboard, Microphone and Screen Capturing:

barindex
Creates a DirectInput object (often for capturing keystrokes)
Source: PO.#4500499953.exe, 00000000.00000002.658374954.0000000000AEA000.00000004.00000020.sdmp Binary or memory string: <HOOK MODULE="DDRAW.DLL" FUNCTION="DirectDrawCreateEx"/>

Spam, unwanted Advertisements and Ransom Demands:

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Modifies the hosts file
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File written: C:\Windows\System32\drivers\etc\hosts Jump to behavior

System Summary:

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.NET source code contains very large array initializations
Source: 1.2.RegSvcs.exe.400000.0.unpack, u003cPrivateImplementationDetailsu003eu007bBD20A67Fu002dA5ADu002d402Eu002d9408u002dFBAA51546B1Au007d/u0036AF64711u002dA5B2u002d4427u002dB900u002d09E5D0E0F1FF.cs Large array initialization: .cctor: array initializer size 11946
Detected potential crypto function
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_00362538 0_2_00362538
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_00362D8B 0_2_00362D8B
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_026EF640 0_2_026EF640
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_026EC428 0_2_026EC428
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_026EC427 0_2_026EC427
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_026E98F8 0_2_026E98F8
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD6FE0 0_2_04CD6FE0
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD7360 0_2_04CD7360
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CDF8CC 0_2_04CDF8CC
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD84B0 0_2_04CD84B0
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD8551 0_2_04CD8551
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD87D8 0_2_04CD87D8
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CDD608 0_2_04CDD608
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CDD618 0_2_04CDD618
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD73FD 0_2_04CD73FD
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD73B8 0_2_04CD73B8
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_04CD78FF 0_2_04CD78FF
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_00369A7A 0_2_00369A7A
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D30073 1_2_00D30073
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D38970 1_2_00D38970
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D31B00 1_2_00D31B00
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D32248 1_2_00D32248
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D32348 1_2_00D32348
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D34CE8 1_2_00D34CE8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00E2DAE8 1_2_00E2DAE8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_028747A0 1_2_028747A0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_028746B0 1_2_028746B0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_05D05690 1_2_05D05690
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_05D0A208 1_2_05D0A208
Dropped file seen in connection with other malware
Source: Joe Sandbox View Dropped File: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe 43026DCFF238F20CFF0419924486DEE45178119CFDD0D366B79D67D950A9BF50
PE file contains strange resources
Source: PO.#4500499953.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: PO.#4500499953.exe, 00000000.00000002.658374954.0000000000AEA000.00000004.00000020.sdmp Binary or memory string: OriginalFilenameclr.dllT vs PO.#4500499953.exe
Source: PO.#4500499953.exe, 00000000.00000000.648914946.000000000040C000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameIResourceReader.exeP vs PO.#4500499953.exe
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameSimpleUI.dll( vs PO.#4500499953.exe
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameKqaIqxJaIPlNgejCEysBh.exe4 vs PO.#4500499953.exe
Source: PO.#4500499953.exe, 00000000.00000002.663130658.0000000005AA0000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameDSASignature.dll@ vs PO.#4500499953.exe
Source: PO.#4500499953.exe Binary or memory string: OriginalFilenameIResourceReader.exeP vs PO.#4500499953.exe
Uses 32bit PE files
Source: PO.#4500499953.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED
Source: PO.#4500499953.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: 1.2.RegSvcs.exe.400000.0.unpack, A/b2.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: 1.2.RegSvcs.exe.400000.0.unpack, A/b2.cs Cryptographic APIs: 'TransformFinalBlock', 'CreateDecryptor'
Source: classification engine Classification label: mal100.troj.adwa.spyw.evad.winEXE@7/6@1/1
Source: C:\Users\user\Desktop\PO.#4500499953.exe File created: C:\Users\user\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO.#4500499953.exe.log Jump to behavior
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4684:120:WilError_01
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1716:120:WilError_01
Source: C:\Users\user\Desktop\PO.#4500499953.exe Mutant created: \Sessions\1\BaseNamedObjects\ZeuIaeOZFgvpHy
Source: PO.#4500499953.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\PO.#4500499953.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\a152fe02a317a77aeee36903305e8ba6\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\PO.#4500499953.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File read: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: Select * from Clientes WHERE id=@id;;
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: Select * from Aluguel Erro ao listar Banco sql-Aluguel.INSERT INTO Aluguel VALUES(@clienteID, @data);
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType WHERE id=@id;
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: Select * from SecurityLogonType WHERE modelo=@modelo;
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: INSERT INTO Itens_Aluguel VALUES(@aluguelID, @aviaoID, @validade);
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: Insert into Clientes values (@nome, @cpf, @rg, @cidade, @endereco, @uf, @telefone);
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: INSERT INTO Aluguel VALUES(@clienteID, @data);
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: INSERT INTO SecurityLogonType VALUES(@modelo, @fabricante, @ano, @cor);
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.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: PO.#4500499953.exe Virustotal: Detection: 31%
Source: PO.#4500499953.exe ReversingLabs: Detection: 40%
Source: unknown Process created: C:\Users\user\Desktop\PO.#4500499953.exe 'C:\Users\user\Desktop\PO.#4500499953.exe'
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
Source: unknown Process created: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe 'C:\Users\user\AppData\Roaming\NXLun\NXLun.exe'
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: unknown Process created: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe 'C:\Users\user\AppData\Roaming\NXLun\NXLun.exe'
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\PO.#4500499953.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Source: PO.#4500499953.exe Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: PO.#4500499953.exe Static PE information: NO_SEH, TERMINAL_SERVER_AWARE, DYNAMIC_BASE, NX_COMPAT
Source: Binary string: RegSvcs.pdb, source: RegSvcs.exe, 00000001.00000003.870801440.0000000005BCB000.00000004.00000001.sdmp, NXLun.exe, 0000000C.00000002.734440753.0000000000B02000.00000002.00020000.sdmp, NXLun.exe, 00000011.00000000.749964689.0000000000DE2000.00000002.00020000.sdmp, NXLun.exe.1.dr
Source: Binary string: System.EnterpriseServices.Wrapper.pdb source: NXLun.exe, 0000000C.00000002.735168937.0000000002D50000.00000002.00000001.sdmp
Source: Binary string: RegSvcs.pdb source: NXLun.exe, NXLun.exe.1.dr

Data Obfuscation:

barindex
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0037043E push ebx; retf 0_2_0037043F
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036B83D push ebx; retf 0_2_0036B83E
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C239 push ebx; retf 0_2_0036C23A
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036BA23 push ebx; retf 0_2_0036BA24
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036D02E push ebx; retf 0_2_0036D02F
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C41F push ebx; retf 0_2_0036C420
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036BC06 push ebx; retf 0_2_0036BC07
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C602 push ebx; retf 0_2_0036C603
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CC62 push ebx; retf 0_2_0036CC63
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036B64F push ebx; retf 0_2_0036B650
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C04B push ebx; retf 0_2_0036C04C
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CE4B push ebx; retf 0_2_0036CE4C
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036B6F4 push ebx; retf 0_2_0036B6F5
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C0F0 push ebx; retf 0_2_0036C0F1
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036B8E1 push ebx; retf 0_2_0036B8E2
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CEEC push ebx; retf 0_2_0036CEED
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_003686E9 push ebx; retf 0_2_003686EA
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C2DD push ebx; retf 0_2_0036C2DE
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036BAC4 push ebx; retf 0_2_0036BAC5
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C4C0 push ebx; retf 0_2_0036C4C1
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036D0CF push ebx; retf 0_2_0036D0D0
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CB18 push ebx; retf 0_2_0036CB19
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CD06 push ebx; retf 0_2_0036CD07
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036B503 push ebx; retf 0_2_0036B504
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C37E push ebx; retf 0_2_0036C37F
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036BB65 push ebx; retf 0_2_0036BB66
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036C561 push ebx; retf 0_2_0036C562
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_00363D4C push ebx; retf 0_2_00363D4D
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CBBD push ebx; retf 0_2_0036CBBE
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036B5AA push ebx; retf 0_2_0036B5AB
Source: C:\Users\user\Desktop\PO.#4500499953.exe Code function: 0_2_0036CDAA push ebx; retf 0_2_0036CDAB
Source: initial sample Static PE information: section name: .text entropy: 7.70966498297

Persistence and Installation Behavior:

barindex
Drops PE files
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File created: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Registry value created or modified: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run NXLun Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Registry value created or modified: HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run NXLun Jump to behavior

Hooking and other Techniques for Hiding and Protection:

barindex
Hides that the sample has been downloaded from the Internet (zone.identifier)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File opened: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe:Zone.Identifier read attributes | delete Jump to behavior
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Registry key monitored for changes: HKEY_CURRENT_USER_Classes Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Yara detected AntiVM3
Source: Yara match File source: 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: PO.#4500499953.exe PID: 7012, type: MEMORY
Source: Yara match File source: 0.2.PO.#4500499953.exe.274b38c.1.raw.unpack, type: UNPACKEDPE
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: WINE_GET_UNIX_FILE_NAME
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: SBIEDLL.DLL
Contains long sleeps (>= 3 min)
Source: C:\Users\user\Desktop\PO.#4500499953.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Window / User API: threadDelayed 9230 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Window / User API: threadDelayed 584 Jump to behavior
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Users\user\Desktop\PO.#4500499953.exe TID: 7016 Thread sleep time: -99621s >= -30000s Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe TID: 7044 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe TID: 7132 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe TID: 6620 Thread sleep time: -922337203685477s >= -30000s Jump to behavior
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\PO.#4500499953.exe Thread delayed: delay time: 99621 Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: RegSvcs.exe, 00000001.00000002.919984659.0000000005AB0000.00000002.00000001.sdmp Binary or memory string: A Virtual Machine could not be started because Hyper-V is not installed.
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: vmware
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\VMWARE\VMWARE TOOLS\
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: SOFTWARE\VMware, Inc.\VMware Tools
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: VMware SVGA II!Add-MpPreference -ExclusionPath "
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: VMWARE
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: InstallPath%C:\PROGRAM FILES\VMWARE\VMWARE TOOLS\
Source: RegSvcs.exe, 00000001.00000002.919984659.0000000005AB0000.00000002.00000001.sdmp Binary or memory string: A communication protocol error has occurred between the Hyper-V Host and Guest Compute Service.
Source: RegSvcs.exe, 00000001.00000002.919984659.0000000005AB0000.00000002.00000001.sdmp Binary or memory string: The communication protocol version between the Hyper-V Host and Guest Compute Services is not supported.
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.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: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: VMware SVGA II
Source: PO.#4500499953.exe, 00000000.00000002.658940267.0000000002744000.00000004.00000001.sdmp Binary or memory string: vmwareNSYSTEM\ControlSet001\Control\Class\{4D36E968-E325-11CE-BFC1-08002BE10318}\0000
Source: RegSvcs.exe, 00000001.00000002.920264191.0000000005BB5000.00000004.00000001.sdmp Binary or memory string: Hyper-V RAW%SystemRoot%\system32\mswsock.dll
Source: RegSvcs.exe, 00000001.00000002.919984659.0000000005AB0000.00000002.00000001.sdmp Binary or memory string: An unknown internal message was received by the Hyper-V Compute Service.
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process information queried: ProcessInformation Jump to behavior

Anti Debugging:

barindex
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Code function: 1_2_00D38970 LdrInitializeThunk, 1_2_00D38970
Enables debug privileges
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process token adjusted: Debug Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
Modifies the hosts file
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File written: C:\Windows\System32\drivers\etc\hosts Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\PO.#4500499953.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Jump to behavior
Source: RegSvcs.exe, 00000001.00000002.916265484.00000000012E0000.00000002.00000001.sdmp Binary or memory string: Program Manager
Source: RegSvcs.exe, 00000001.00000002.916265484.00000000012E0000.00000002.00000001.sdmp Binary or memory string: Shell_TrayWnd
Source: RegSvcs.exe, 00000001.00000002.916265484.00000000012E0000.00000002.00000001.sdmp Binary or memory string: Progman
Source: RegSvcs.exe, 00000001.00000002.916265484.00000000012E0000.00000002.00000001.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

barindex
Queries the volume information (name, serial number etc) of a device
Source: C:\Users\user\Desktop\PO.#4500499953.exe Queries volume information: C:\Users\user\Desktop\PO.#4500499953.exe VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.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\PO.#4500499953.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\PO.#4500499953.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\PO.#4500499953.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\PO.#4500499953.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll VolumeInformation Jump to behavior
Source: C:\Users\user\AppData\Roaming\NXLun\NXLun.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\System.EnterpriseServices\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.EnterpriseServices.Wrapper.dll VolumeInformation Jump to behavior
Source: C:\Users\user\Desktop\PO.#4500499953.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Lowering of HIPS / PFW / Operating System Security Settings:

barindex
Modifies the hosts file
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File written: C:\Windows\System32\drivers\etc\hosts Jump to behavior

Stealing of Sensitive Information:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000000.00000002.659929187.0000000003898000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.659524646.0000000003729000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000001.00000002.915098817.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.RegSvcs.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.raw.unpack, type: UNPACKEDPE
Yara detected AgentTesla
Source: Yara match File source: 00000000.00000002.659929187.0000000003898000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.659524646.0000000003729000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000001.00000002.915098817.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: PO.#4500499953.exe PID: 7012, type: MEMORY
Source: Yara match File source: Process Memory Space: RegSvcs.exe PID: 7096, type: MEMORY
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.RegSvcs.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.raw.unpack, type: UNPACKEDPE
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.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:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 00000001.00000002.916672093.0000000002901000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegSvcs.exe PID: 7096, type: MEMORY

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000000.00000002.659929187.0000000003898000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.659524646.0000000003729000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000001.00000002.915098817.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.RegSvcs.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.raw.unpack, type: UNPACKEDPE
Yara detected AgentTesla
Source: Yara match File source: 00000000.00000002.659929187.0000000003898000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000000.00000002.659524646.0000000003729000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000001.00000002.915098817.0000000000402000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: PO.#4500499953.exe PID: 7012, type: MEMORY
Source: Yara match File source: Process Memory Space: RegSvcs.exe PID: 7096, type: MEMORY
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.unpack, type: UNPACKEDPE
Source: Yara match File source: 1.2.RegSvcs.exe.400000.0.unpack, type: UNPACKEDPE
Source: Yara match File source: 0.2.PO.#4500499953.exe.3842ad8.2.raw.unpack, type: UNPACKEDPE
windows-stand
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: 412549 Sample: PO.#4500499953.exe Startdate: 12/05/2021 Architecture: WINDOWS Score: 100 30 Found malware configuration 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 Yara detected AgentTesla 2->34 36 5 other signatures 2->36 6 PO.#4500499953.exe 3 2->6         started        9 NXLun.exe 2 2->9         started        11 NXLun.exe 1 2->11         started        process3 file4 22 C:\Users\user\...\PO.#4500499953.exe.log, ASCII 6->22 dropped 13 RegSvcs.exe 2 4 6->13         started        18 conhost.exe 9->18         started        20 conhost.exe 11->20         started        process5 dnsIp6 28 wasstech.com 204.93.196.181, 49770, 587 SERVERCENTRALUS United States 13->28 24 C:\Users\user\AppData\Roaming\...24XLun.exe, PE32 13->24 dropped 26 C:\Windows\System32\drivers\etc\hosts, ASCII 13->26 dropped 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->38 40 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->40 42 Tries to steal Mail credentials (via file access) 13->42 44 5 other signatures 13->44 file7 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
204.93.196.181
 wasstech.com United States
23352 SERVERCENTRALUS true

Contacted Domains

Name IP Active
wasstech.com 204.93.196.181 true