C:\Users\drumj\source\repos\Oxynal\Oxynal\obj\Release\net8.0\win-x86\Oxynal.pdb
Static task
static1
Behavioral task
behavioral1
Sample
Oxynal.exe
Resource
win10v2004-20240802-en
General
-
Target
Oxynal.zip
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Size
1.3MB
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MD5
5fe8215cfada94d51b681d25a9d24246
-
SHA1
8ae1a91ce4a3aa6d2887ba8f0b2330b23e50370b
-
SHA256
80b906d357a9f67168edf73f860ec395f62686e9527851c0f73fe8a0d5885be9
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SHA512
fc41e8dae088a04840215f6a91511457b9b80c56ed6a0e321f1509dda3380ebc5aaa916b460bcf292dc5081becb34e5ceb8e4819f99bf6f18fc9f555e79e9026
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SSDEEP
24576:qVehVKPN6OuZxUL1dqKzdWQwZeHqxAGBSw+XfZ65SkUrnTBWQMaXc93gv1is2pvg:qQhk4OdzzEV6rG6Xf/kELXOQvt2pOawl
Malware Config
Signatures
-
Unsigned PE 3 IoCs
Checks for missing Authenticode signature.
resource unpack001/Oxynal.dll unpack001/Oxynal.exe unpack001/Oxynal2.dll
Files
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Oxynal.zip.zip
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Oxynal.deps.json
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Oxynal.dll.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
Imports
mscoree
_CorExeMain
Sections
.text Size: 572KB - Virtual size: 571KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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Oxynal.exe.exe windows:6 windows x86 arch:x86
0d90721887af12fe657c83b997d03c6f
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
PDB Paths
D:\a\_work\1\s\artifacts\obj\win-x86.Release\corehost\apphost\standalone\apphost.pdb
Imports
kernel32
FreeLibrary
LoadLibraryExW
OutputDebugStringW
FindFirstFileExW
EnterCriticalSection
GetFullPathNameW
FindNextFileW
GetCurrentProcess
GetModuleHandleExW
GetModuleFileNameW
LeaveCriticalSection
GetEnvironmentVariableW
GetModuleHandleW
MultiByteToWideChar
GetFileAttributesExW
LoadLibraryA
DeleteCriticalSection
WideCharToMultiByte
IsWow64Process
TlsFree
TlsSetValue
TlsGetValue
TlsAlloc
InitializeCriticalSectionAndSpinCount
GetProcAddress
GetWindowsDirectoryW
FindResourceW
GetLastError
ActivateActCtx
FindClose
CreateActCtxW
SetLastError
RaiseException
RtlUnwind
InitializeSListHead
GetCurrentProcessId
IsDebuggerPresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
IsProcessorFeaturePresent
GetSystemTimeAsFileTime
GetStringTypeW
SwitchToThread
GetCurrentThreadId
InitializeCriticalSectionEx
EncodePointer
DecodePointer
LCMapStringEx
QueryPerformanceCounter
user32
MessageBoxW
shell32
ShellExecuteW
advapi32
RegOpenKeyExW
RegGetValueW
DeregisterEventSource
RegisterEventSourceW
ReportEventW
RegCloseKey
api-ms-win-crt-runtime-l1-1-0
_invalid_parameter_noinfo_noreturn
__p___argc
_exit
exit
_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
_set_app_type
_seh_filter_exe
_cexit
_crt_atexit
_register_onexit_function
_errno
_initialize_onexit_table
abort
_c_exit
_register_thread_local_exe_atexit_callback
terminate
_controlfp_s
__p___wargv
api-ms-win-crt-stdio-l1-1-0
_set_fmode
fputwc
__p__commode
__acrt_iob_func
fputws
_wfsopen
fflush
__stdio_common_vfwprintf
__stdio_common_vsnwprintf_s
__stdio_common_vswprintf
setvbuf
api-ms-win-crt-heap-l1-1-0
calloc
_set_new_mode
free
_callnewh
malloc
api-ms-win-crt-string-l1-1-0
toupper
_wcsdup
wcsncmp
wcsnlen
strcpy_s
api-ms-win-crt-convert-l1-1-0
wcstoul
_wtoi
api-ms-win-crt-time-l1-1-0
_gmtime64_s
_time64
wcsftime
api-ms-win-crt-locale-l1-1-0
___mb_cur_max_func
_configthreadlocale
___lc_codepage_func
___lc_locale_name_func
__pctype_func
_lock_locales
setlocale
_unlock_locales
api-ms-win-crt-math-l1-1-0
__setusermatherr
Sections
.text Size: 71KB - Virtual size: 70KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 27KB - Virtual size: 27KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 2KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.reloc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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Oxynal.runtimeconfig.json
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Oxynal2.dll.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 571KB - Virtual size: 570KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 4KB - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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System.Diagnostics.EventLog.Messages.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Code Sign
33:00:00:03:7b:a1:0a:3e:cb:66:e9:01:c0:00:00:00:00:03:7bCertificate
IssuerCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before11-05-2023 19:03Not After08-05-2024 19:03SubjectCN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageCodeSigning
61:0e:90:d2:00:00:00:00:00:03Certificate
IssuerCN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before08-07-2011 20:59Not After08-07-2026 21:09SubjectCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
4a:1d:03:b2:ff:3e:20:38:df:93:54:25:9a:fb:cc:d8:b8:af:08:27:ac:12:d4:1a:15:54:8f:ca:d9:b6:11:d4Signer
Actual PE Digest4a:1d:03:b2:ff:3e:20:38:df:93:54:25:9a:fb:cc:d8:b8:af:08:27:ac:12:d4:1a:15:54:8f:ca:d9:b6:11:d4Digest Algorithmsha256PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB Paths
/_/artifacts/obj/System.Diagnostics.EventLog.Messages/Release/netstandard2.0/System.Diagnostics.EventLog.Messages.pdb
Imports
mscoree
_CorDllMain
Sections
.text Size: 2KB - Virtual size: 2KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 768KB - Virtual size: 768KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
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System.Diagnostics.EventLog.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Code Sign
33:00:00:03:7c:c9:f6:bc:ed:07:59:ae:08:00:00:00:00:03:7cCertificate
IssuerCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before11-05-2023 19:03Not After08-05-2024 19:03SubjectCN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageCodeSigning
61:0e:90:d2:00:00:00:00:00:03Certificate
IssuerCN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before08-07-2011 20:59Not After08-07-2026 21:09SubjectCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
ce:f0:17:bb:11:4a:9c:c5:00:76:57:bf:13:4c:af:9a:5f:6c:db:a1:03:0c:90:ef:e9:cf:d4:f2:08:ed:ab:c3Signer
Actual PE Digestce:f0:17:bb:11:4a:9c:c5:00:76:57:bf:13:4c:af:9a:5f:6c:db:a1:03:0c:90:ef:e9:cf:d4:f2:08:ed:ab:c3Digest Algorithmsha256PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB Paths
/_/artifacts/obj/System.Diagnostics.EventLog/Release/net8.0-windows/System.Diagnostics.EventLog.pdb
Imports
mscoree
_CorDllMain
Sections
.text Size: 155KB - Virtual size: 154KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
System.Management.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Code Sign
33:00:00:03:7b:a1:0a:3e:cb:66:e9:01:c0:00:00:00:00:03:7bCertificate
IssuerCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before11-05-2023 19:03Not After08-05-2024 19:03SubjectCN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageCodeSigning
61:0e:90:d2:00:00:00:00:00:03Certificate
IssuerCN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before08-07-2011 20:59Not After08-07-2026 21:09SubjectCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
49:77:8d:dc:15:13:5f:8d:f7:74:af:cd:a0:90:66:08:03:f3:bf:ee:4b:1b:24:2b:69:b4:8c:4e:9f:11:64:aaSigner
Actual PE Digest49:77:8d:dc:15:13:5f:8d:f7:74:af:cd:a0:90:66:08:03:f3:bf:ee:4b:1b:24:2b:69:b4:8c:4e:9f:11:64:aaDigest Algorithmsha256PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB Paths
/_/artifacts/obj/System.Management/Release/net8.0-windows/System.Management.pdb
Imports
mscoree
_CorDllMain
Sections
.text Size: 291KB - Virtual size: 291KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
-
System.ServiceProcess.ServiceController.dll.dll windows:4 windows x86 arch:x86
dae02f32a21e03ce65412f6e56942daa
Code Sign
33:00:00:03:7b:a1:0a:3e:cb:66:e9:01:c0:00:00:00:00:03:7bCertificate
IssuerCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before11-05-2023 19:03Not After08-05-2024 19:03SubjectCN=.NET,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USExtended Key Usages
ExtKeyUsageCodeSigning
61:0e:90:d2:00:00:00:00:00:03Certificate
IssuerCN=Microsoft Root Certificate Authority 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USNot Before08-07-2011 20:59Not After08-07-2026 21:09SubjectCN=Microsoft Code Signing PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=USKey Usages
KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign
c3:8d:be:60:c3:86:d9:d4:d2:49:f4:52:c2:29:d9:3f:4a:f2:c1:56:46:fa:21:c0:fa:46:21:12:0a:2f:ae:dbSigner
Actual PE Digestc3:8d:be:60:c3:86:d9:d4:d2:49:f4:52:c2:29:d9:3f:4a:f2:c1:56:46:fa:21:c0:fa:46:21:12:0a:2f:ae:dbDigest Algorithmsha256PE Digest MatchestrueHeaders
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL
PDB Paths
/_/artifacts/obj/System.ServiceProcess.ServiceController/Release/net8.0-windows/System.ServiceProcess.ServiceController.pdb
Imports
mscoree
_CorDllMain
Sections
.text Size: 72KB - Virtual size: 72KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ