Windows Analysis Report
invoice.exe

Overview

General Information

Sample Name: invoice.exe
Analysis ID: 828743
MD5: f111934675c34cca18d9d76fc34a2e40
SHA1: 6c54e0fbae03df56fee84195f3deb4d2ebd8d8c1
SHA256: c627b8bb6c4ea0cf03aa2d209d0ecc53ff9784283328dabd44c1675aef0939c2
Infos:

Detection

GuLoader
Score: 88
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Multi AV Scanner detection for submitted file
Yara detected GuLoader
Snort IDS alert for network traffic
Tries to steal Mail credentials (via file / registry access)
Initial sample is a PE file and has a suspicious name
Writes to foreign memory regions
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
May check the online IP address of the machine
Uses 32bit PE files
Queries the volume information (name, serial number etc) of a device
One or more processes crash
Drops certificate files (DER)
Contains functionality to shutdown / reboot the system
Uses code obfuscation techniques (call, push, ret)
PE file contains sections with non-standard names
Internet Provider seen in connection with other malware
Detected potential crypto function
Sample execution stops while process was sleeping (likely an evasion)
JA3 SSL client fingerprint seen in connection with other malware
Contains functionality to dynamically determine API calls
Found dropped PE file which has not been started or loaded
IP address seen in connection with other malware
Abnormal high CPU Usage
Enables debug privileges
AV process strings found (often used to terminate AV products)
Found inlined nop instructions (likely shell or obfuscated code)
PE file does not import any functions
Sample file is different than original file name gathered from version info
Drops PE files
Tries to load missing DLLs
Uses a known web browser user agent for HTTP communication
PE / OLE file has an invalid certificate
Creates a process in suspended mode (likely to inject code)
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality for read data from the clipboard

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: invoice.exe Virustotal: Detection: 27% Perma Link
Source: invoice.exe ReversingLabs: Detection: 35%
Uses 32bit PE files
Source: invoice.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
Source: unknown HTTPS traffic detected: 142.250.184.206:443 -> 192.168.11.20:49840 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.186.33:443 -> 192.168.11.20:49841 version: TLS 1.2
Source: invoice.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: Binary string: \??\C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.pdb source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.PDBb source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: caspol.pdbcaspol.pdbpdbpol.pdb\v4.0.30319\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\exe\caspol.pdbIN source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: C:\Windows\caspol.pdbpdbpol.pdb source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: caspol.pdb source: CasPol.exe, 00000005.00000002.8995413020.0000000006F1D000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\caspol.pdb. source: CasPol.exe, 00000005.00000002.9021000119.0000000039ACD000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: vcaspol.PDB 7 source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: m,C:\Windows\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\caspol.pdbr^ source: CasPol.exe, 00000005.00000002.9021000119.0000000039ACD000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.pdbe089 source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\exe\caspol.pdbN_ source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: 9##.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: mC:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: m.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: c7symbols\exe\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00406268 FindFirstFileA,FindClose, 1_2_00406268
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_0040572D GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,FindNextFileA,FindClose, 1_2_0040572D
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004026F8 FindFirstFileA, 1_2_004026F8
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming\Microsoft Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows Jump to behavior
Found inlined nop instructions (likely shell or obfuscated code)
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 4x nop then jmp 377478CCh 5_2_37746DE3
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 4x nop then mov dword ptr [ebp-14h], 00000000h 5_2_37746300

Networking
barindex
Snort IDS alert for network traffic
Source: Traffic Snort IDS: 2039190 ET TROJAN 404/Snake/Matiex Keylogger Style External IP Check 192.168.11.20:49842 -> 193.122.130.0:80
May check the online IP address of the machine
Source: unknown DNS query: name: checkip.dyndns.org
Source: unknown DNS query: name: checkip.dyndns.org
Internet Provider seen in connection with other malware
Source: Joe Sandbox View ASN Name: ORACLE-BMC-31898US ORACLE-BMC-31898US
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: 193.122.130.0 193.122.130.0
Uses a known web browser user agent for HTTP communication
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1v9qH2HQVytFc1xq78jdiMix-1m6jIF0S HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; 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/s4sbn26f0am6hqllsu7edmokcls88pe1/1679060025000/12467729248612761337/*/1v9qH2HQVytFc1xq78jdiMix-1m6jIF0S?e=download&uuid=a6a0f6a4-7f4f-44fa-b2c7-5636188002aa HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like GeckoCache-Control: no-cacheHost: doc-0k-a8-docs.googleusercontent.comConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET / HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR1.0.3705;)Host: checkip.dyndns.orgConnection: Keep-Alive
Source: unknown Network traffic detected: HTTP traffic on port 49841 -> 443
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49841
Source: unknown Network traffic detected: HTTP traffic on port 443 -> 49840
Source: unknown Network traffic detected: HTTP traffic on port 49840 -> 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: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertAssuredIDRootCA.crt0
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDCodeSigningCA.crt0
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://cacerts.digicert.com/DigiCertSHA2AssuredIDTimestampingCA.crt0
Source: CasPol.exe, 00000005.00000002.9014975295.0000000037959000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://checkip.dyndns.com
Source: CasPol.exe, 00000005.00000002.9014975295.0000000037959000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://checkip.dyndns.org
Source: CasPol.exe, 00000005.00000002.9014975295.00000000378A1000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8995413020.0000000006E3B000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://checkip.dyndns.org/
Source: CasPol.exe, 00000005.00000002.8995413020.0000000006ED6000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.comodoca.com/AAACertificateServices.crl06
Source: CasPol.exe, 00000005.00000003.8679430245.0000000006ED3000.00000004.00000020.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8995413020.0000000006ED2000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: http://crl.globalsign.net/root-r2.crl0
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0O
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl3.digicert.com/DigiCertAssuredIDRootCA.crl0P
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl3.digicert.com/sha2-assured-cs-g1.crl05
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl3.digicert.com/sha2-assured-ts.crl02
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl4.digicert.com/DigiCertAssuredIDRootCA.crl0:
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://crl4.digicert.com/sha2-assured-ts.crl0
Source: invoice.exe, invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp, invoice.exe, 00000001.00000000.7326800375.000000000040A000.00000008.00000001.01000000.00000003.sdmp String found in binary or memory: http://nsis.sf.net/NSIS_Error
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp, invoice.exe, 00000001.00000000.7326800375.000000000040A000.00000008.00000001.01000000.00000003.sdmp String found in binary or memory: http://nsis.sf.net/NSIS_ErrorError
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://ocsp.digicert.com0C
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://ocsp.digicert.com0N
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://ocsp.digicert.com0O
Source: CasPol.exe, 00000005.00000002.9014975295.00000000378A1000.00000004.00000800.00020000.00000000.sdmp String found in binary or memory: http://schemas.xmlsoap.org/ws/2005/05/identity/claims/name
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://www.avast.com0/
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: http://www.digicert.com/CPS0
Source: CasPol.exe, 00000005.00000003.8679430245.0000000006EFD000.00000004.00000020.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8995413020.0000000006E97000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://doc-0k-a8-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/s4sbn26f
Source: CasPol.exe, 00000005.00000002.8995413020.0000000006E3B000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://drive.google.com/
Source: CasPol.exe, 00000005.00000002.8995413020.0000000006E3B000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://drive.google.com/uc?export=download&id=1v9qH2HQVytFc1xq78jdiMix-1m6jIF0S
Source: invoice.exe, 00000001.00000002.8701375058.000000000040A000.00000004.00000001.01000000.00000003.sdmp String found in binary or memory: https://www.digicert.com/CPS0
Source: unknown DNS traffic detected: queries for: drive.google.com
Source: global traffic HTTP traffic detected: GET /uc?export=download&id=1v9qH2HQVytFc1xq78jdiMix-1m6jIF0S HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; 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/s4sbn26f0am6hqllsu7edmokcls88pe1/1679060025000/12467729248612761337/*/1v9qH2HQVytFc1xq78jdiMix-1m6jIF0S?e=download&uuid=a6a0f6a4-7f4f-44fa-b2c7-5636188002aa HTTP/1.1User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; Trident/7.0; rv:11.0) like GeckoCache-Control: no-cacheHost: doc-0k-a8-docs.googleusercontent.comConnection: Keep-Alive
Source: global traffic HTTP traffic detected: GET / HTTP/1.1User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR1.0.3705;)Host: checkip.dyndns.orgConnection: Keep-Alive
Source: unknown HTTPS traffic detected: 142.250.184.206:443 -> 192.168.11.20:49840 version: TLS 1.2
Source: unknown HTTPS traffic detected: 142.250.186.33:443 -> 192.168.11.20:49841 version: TLS 1.2
Contains functionality for read data from the clipboard
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004051CA GetDlgItem,GetDlgItem,GetDlgItem,GetDlgItem,GetClientRect,GetSystemMetrics,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,SendMessageA,ShowWindow,ShowWindow,GetDlgItem,SendMessageA,SendMessageA,SendMessageA,GetDlgItem,CreateThread,CloseHandle,ShowWindow,ShowWindow,ShowWindow,LdrInitializeThunk,SendMessageA,CreatePopupMenu,LdrInitializeThunk,AppendMenuA,GetWindowRect,TrackPopupMenu,SendMessageA,OpenClipboard,EmptyClipboard,GlobalAlloc,GlobalLock,SendMessageA,GlobalUnlock,LdrInitializeThunk,SetClipboardData,CloseClipboard, 1_2_004051CA
Drops certificate files (DER)
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Diskofils\Justiciaryship\vmusbmouse.cat Jump to dropped file

System Summary
barindex
Initial sample is a PE file and has a suspicious name
Source: initial sample Static PE information: Filename: invoice.exe
Uses 32bit PE files
Source: invoice.exe Static PE information: RELOCS_STRIPPED, EXECUTABLE_IMAGE, LINE_NUMS_STRIPPED, LOCAL_SYMS_STRIPPED, 32BIT_MACHINE
One or more processes crash
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process created: C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 2544
Contains functionality to shutdown / reboot the system
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004031F1 EntryPoint,SetErrorMode,GetVersion,lstrlenA,#17,OleInitialize,SHGetFileInfoA,GetCommandLineA,GetModuleHandleA,CharNextA,LdrInitializeThunk,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcatA,lstrcatA,lstrcmpiA,SetCurrentDirectoryA,DeleteFileA,LdrInitializeThunk,CopyFileA,CloseHandle,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 1_2_004031F1
Detected potential crypto function
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00406742 1_2_00406742
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00404A09 1_2_00404A09
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00406F19 1_2_00406F19
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 5_2_37746DE3 5_2_37746DE3
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 5_2_37746300 5_2_37746300
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Code function: 5_2_377462EF 5_2_377462EF
Abnormal high CPU Usage
Source: C:\Users\user\Desktop\invoice.exe Process Stats: CPU usage > 98%
PE file does not import any functions
Source: lang-1059.dll.1.dr Static PE information: No import functions for PE file found
Sample file is different than original file name gathered from version info
Source: invoice.exe, 00000001.00000000.7326884916.0000000000441000.00000002.00000001.01000000.00000003.sdmp Binary or memory string: OriginalFilenamepaaklders Nonblameful.exe` vs invoice.exe
Tries to load missing DLLs
Source: C:\Users\user\Desktop\invoice.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
PE / OLE file has an invalid certificate
Source: invoice.exe Static PE information: invalid certificate
Source: invoice.exe Virustotal: Detection: 27%
Source: invoice.exe ReversingLabs: Detection: 35%
Source: C:\Users\user\Desktop\invoice.exe File read: C:\Users\user\Desktop\invoice.exe Jump to behavior
Source: invoice.exe Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Users\user\Desktop\invoice.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Users\user\Desktop\invoice.exe C:\Users\user\Desktop\invoice.exe
Source: C:\Users\user\Desktop\invoice.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe C:\Users\user\Desktop\invoice.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:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process created: C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 2544
Source: C:\Users\user\Desktop\invoice.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe C:\Users\user\Desktop\invoice.exe Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f486a52-3cb1-48fd-8f50-b8dc300d9f9d}\InProcServer32 Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004031F1 EntryPoint,SetErrorMode,GetVersion,lstrlenA,#17,OleInitialize,SHGetFileInfoA,GetCommandLineA,GetModuleHandleA,CharNextA,LdrInitializeThunk,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcatA,lstrcatA,lstrcmpiA,SetCurrentDirectoryA,DeleteFileA,LdrInitializeThunk,CopyFileA,CloseHandle,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 1_2_004031F1
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Temp\nsdA999.tmp Jump to behavior
Source: classification engine Classification label: mal88.troj.spyw.evad.winEXE@5/19@3/3
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004020CB LdrInitializeThunk,CoCreateInstance,MultiByteToWideChar,LdrInitializeThunk, 1_2_004020CB
Source: C:\Users\user\Desktop\invoice.exe File read: C:\Users\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00404496 GetDlgItem,SetWindowTextA,LdrInitializeThunk,LdrInitializeThunk,SHBrowseForFolderA,CoTaskMemFree,lstrcmpiA,lstrcatA,SetDlgItemTextA,LdrInitializeThunk,GetDiskFreeSpaceA,MulDiv,SetDlgItemTextA, 1_2_00404496
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\SysWOW64\WerFault.exe Section loaded: C:\Windows\assembly\NativeImages_v4.0.30319_32\mscorlib\e4a1c9189d2b01f018b953e46c80d120\mscorlib.ni.dll Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.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\SM0:2356:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2356:304:WilStaging_02
Source: C:\Windows\SysWOW64\WerFault.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\WERReportingForProcess1520
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
Source: invoice.exe Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: Binary string: \??\C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.pdb source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.PDBb source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: caspol.pdbcaspol.pdbpdbpol.pdb\v4.0.30319\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\exe\caspol.pdbIN source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: C:\Windows\caspol.pdbpdbpol.pdb source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: caspol.pdb source: CasPol.exe, 00000005.00000002.8995413020.0000000006F1D000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\caspol.pdb. source: CasPol.exe, 00000005.00000002.9021000119.0000000039ACD000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: vcaspol.PDB 7 source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: m,C:\Windows\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\caspol.pdbr^ source: CasPol.exe, 00000005.00000002.9021000119.0000000039ACD000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.pdbe089 source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: \??\C:\Windows\exe\caspol.pdbN_ source: CasPol.exe, 00000005.00000002.9019911661.0000000039A58000.00000004.00000020.00020000.00000000.sdmp
Source: Binary string: 9##.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: mC:\Windows\Microsoft.NET\Framework\v4.0.30319\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: m.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp
Source: Binary string: c7symbols\exe\caspol.pdb source: CasPol.exe, 00000005.00000002.9012404165.0000000037637000.00000004.00000010.00020000.00000000.sdmp

Data Obfuscation
barindex
Yara detected GuLoader
Source: Yara match File source: 00000001.00000002.8704170676.000000000666B000.00000040.00001000.00020000.00000000.sdmp, type: MEMORY
Uses code obfuscation techniques (call, push, ret)
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_10002D20 push eax; ret 1_2_10002D4E
PE file contains sections with non-standard names
Source: Mss32.dll.1.dr Static PE information: section name: MSSMIXER
Source: NMDllHost.exe.1.dr Static PE information: section name: .shared
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_10001A5D GlobalAlloc,lstrcpyA,lstrcpyA,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyA,GetModuleHandleA,LoadLibraryA,GetProcAddress,lstrlenA, 1_2_10001A5D
Drops PE files
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Ath_CoexAgent.exe Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Temp\nstA9F8.tmp\System.dll Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Inkshed\NMDllHost.exe Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Inkshed\Mss32.dll Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Temp\nstA9F8.tmp\AdvSplash.dll Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe File created: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Antimodernly\trever\Hovedinteressers\lang-1059.dll Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Users\user\Desktop\invoice.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
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: FAILCRITICALERRORS | NOGPFAULTERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\SysWOW64\WerFault.exe Process information set: NOOPENFILEERRORBOX Jump to behavior

Malware Analysis System Evasion
barindex
Tries to detect Any.run
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Program Files\Qemu-ga\qemu-ga.exe Jump to behavior
Source: C:\Users\user\Desktop\invoice.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: invoice.exe, 00000001.00000002.8702090248.0000000000658000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: C:\PROGRAM FILES\QEMU-GA\QEMU-GA.EXEN<
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Found dropped PE file which has not been started or loaded
Source: C:\Users\user\Desktop\invoice.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Ath_CoexAgent.exe Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Inkshed\NMDllHost.exe Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Inkshed\Mss32.dll Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Microsoft\Windows\INetCache\predepository\Antimodernly\trever\Hovedinteressers\lang-1059.dll Jump to dropped file
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00406268 FindFirstFileA,FindClose, 1_2_00406268
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_0040572D GetTempPathA,DeleteFileA,lstrcatA,lstrcatA,lstrlenA,FindFirstFileA,FindNextFileA,FindClose, 1_2_0040572D
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004026F8 FindFirstFileA, 1_2_004026F8
Source: C:\Users\user\Desktop\invoice.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\invoice.exe API call chain: ExitProcess graph end node
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming\Microsoft Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows\Start Menu\desktop.ini Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe File opened: C:\Users\user\AppData\Roaming\Microsoft\Windows Jump to behavior
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Guest Shutdown Service
Source: invoice.exe, 00000001.00000002.8702090248.000000000069E000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: \??\C:\Program Files\Qemu-ga\qemu-ga
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Remote Desktop Virtualization Service
Source: CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: vmicshutdown
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Volume Shadow Copy Requestor
Source: invoice.exe, 00000001.00000002.8702090248.0000000000658000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: C:\Program Files\Qemu-ga\qemu-ga.exen<
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V PowerShell Direct Service
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Time Synchronization Service
Source: CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: vmicvss
Source: CasPol.exe, 00000005.00000002.8995413020.0000000006EAC000.00000004.00000020.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8995413020.0000000006E3B000.00000004.00000020.00020000.00000000.sdmp Binary or memory string: Hyper-V RAW
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Data Exchange Service
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Heartbeat Service
Source: invoice.exe, 00000001.00000002.8818311496.0000000010059000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: Hyper-V Guest Service Interface
Source: CasPol.exe, 00000005.00000002.8999553372.0000000008B69000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: vmicheartbeat
Contains functionality to dynamically determine API calls
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_10001A5D GlobalAlloc,lstrcpyA,lstrcpyA,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,GlobalFree,lstrcpyA,GetModuleHandleA,LoadLibraryA,GetProcAddress,lstrlenA, 1_2_10001A5D
Enables debug privileges
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Process token adjusted: Debug Jump to behavior
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_00402D48 GetTempPathA,GetTickCount,GetModuleFileNameA,GetFileSize,LdrInitializeThunk,GlobalAlloc,LdrInitializeThunk,LdrInitializeThunk,SetFilePointer, 1_2_00402D48
Source: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe Memory allocated: page read and write | page guard Jump to behavior

HIPS / PFW / Operating System Protection Evasion
barindex
Writes to foreign memory regions
Source: C:\Users\user\Desktop\invoice.exe Memory written: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe base: F00000 Jump to behavior
Creates a process in suspended mode (likely to inject code)
Source: C:\Users\user\Desktop\invoice.exe Process created: C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe C:\Users\user\Desktop\invoice.exe Jump to behavior
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\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 Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
Source: C:\Users\user\Desktop\invoice.exe Code function: 1_2_004031F1 EntryPoint,SetErrorMode,GetVersion,lstrlenA,#17,OleInitialize,SHGetFileInfoA,GetCommandLineA,GetModuleHandleA,CharNextA,LdrInitializeThunk,GetTempPathA,GetTempPathA,GetWindowsDirectoryA,lstrcatA,GetTempPathA,lstrcatA,SetEnvironmentVariableA,SetEnvironmentVariableA,SetEnvironmentVariableA,DeleteFileA,OleUninitialize,ExitProcess,lstrcatA,lstrcatA,lstrcatA,lstrcmpiA,SetCurrentDirectoryA,DeleteFileA,LdrInitializeThunk,CopyFileA,CloseHandle,GetCurrentProcess,OpenProcessToken,LookupPrivilegeValueA,AdjustTokenPrivileges,ExitWindowsEx,ExitProcess, 1_2_004031F1
AV process strings found (often used to terminate AV products)
Source: CasPol.exe, 00000005.00000002.9014975295.0000000037959000.00000004.00000800.00020000.00000000.sdmp, CasPol.exe, 00000005.00000002.9014975295.00000000378A1000.00000004.00000800.00020000.00000000.sdmp Binary or memory string: MsMpEng.exe

Stealing of Sensitive Information
barindex
Tries to steal Mail credentials (via file / registry access)
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
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: 828743 Sample: invoice.exe Startdate: 17/03/2023 Architecture: WINDOWS Score: 88 28 checkip.dyndns.org 2->28 30 checkip.dyndns.com 2->30 32 3 other IPs or domains 2->32 40 Snort IDS alert for network traffic 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Yara detected GuLoader 2->44 46 3 other signatures 2->46 8 invoice.exe 3 51 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\System.dll, PE32 8->20 dropped 22 C:\Users\user\AppData\Local\...\AdvSplash.dll, PE32 8->22 dropped 24 C:\Users\user\AppData\Local\...24MDllHost.exe, PE32 8->24 dropped 26 3 other files (none is malicious) 8->26 dropped 48 Writes to foreign memory regions 8->48 50 Tries to detect Any.run 8->50 12 CasPol.exe 15 11 8->12         started        signatures6 process7 dnsIp8 34 checkip.dyndns.com 193.122.130.0, 49842, 80 ORACLE-BMC-31898US United States 12->34 36 drive.google.com 142.250.184.206, 443, 49840 GOOGLEUS United States 12->36 38 googlehosted.l.googleusercontent.com 142.250.186.33, 443, 49841 GOOGLEUS United States 12->38 52 Tries to steal Mail credentials (via file / registry access) 12->52 54 Tries to detect Any.run 12->54 16 WerFault.exe 22 16 12->16         started        18 conhost.exe 12->18         started        signatures9 process10
  • 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
193.122.130.0
 checkip.dyndns.com United States
31898 ORACLE-BMC-31898US true
142.250.184.206
 drive.google.com United States
15169 GOOGLEUS false
142.250.186.33
 googlehosted.l.googleusercontent.com United States
15169 GOOGLEUS false

Contacted Domains

Name IP Active
drive.google.com 142.250.184.206 true
googlehosted.l.googleusercontent.com 142.250.186.33 true
checkip.dyndns.com 193.122.130.0 true
checkip.dyndns.org unknown unknown
doc-0k-a8-docs.googleusercontent.com unknown unknown

Contacted URLs

Name Malicious Antivirus Detection Reputation
http://checkip.dyndns.org/ true
  • 0%, Virustotal, Browse
  • Avira URL Cloud: safe
 unknown
https://doc-0k-a8-docs.googleusercontent.com/docs/securesc/ha0ro937gcuc7l7deffksulhg5h7mbp1/s4sbn26f0am6hqllsu7edmokcls88pe1/1679060025000/12467729248612761337/*/1v9qH2HQVytFc1xq78jdiMix-1m6jIF0S?e=download&uuid=a6a0f6a4-7f4f-44fa-b2c7-5636188002aa false
    		high