Osiris[.]dll | Triage

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General

Target

Osiris.dll
Size

7.2MB
MD5

2aeaa3500d4f0a6fac3459ff152ee38c
SHA1

e9a15d7b38bb3c214409fe945bcdde657f0ca9c4
SHA256

017e98f1983db00bf9964edeba073f9750edca5802eefc6ac95f871ecb763660
SHA512

4838fc2296564899d38ea0ca3c27a4a8b9d57a623de1c51c800af0660bfbc3603e0180a83fd9180ebef34e8228b49ffed4cd7e90c364d06e3478521da1688a23
SSDEEP

98304:FkZew9Ojj8AVhbbfj5RFYNZeggWCptJkd2yaZgzFJsfwpq0TnlqX2vjJ3a5wSKoJ:6A7YVRlqGlKi9oO

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Osiris.dll

Files

Osiris.dll
.dll windows:6 windows x64 arch:x64

b3b5e33a21c0a44319a74c942ade87b4

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

FindResourceW
SizeofResource
LockResource
LoadResource
GetCurrentProcess
GetTempPathA
FreeLibrary
VirtualQuery
GetProcessHeap
HeapFree
HeapAlloc
GetLastError
GetModuleHandleW
GetStartupInfoW
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
WideCharToMultiByte
MultiByteToWideChar
RaiseException
IsDebuggerPresent
GetCurrentThreadId
GetProcAddress

advapi32

RegSetValueExW
RegOpenKeyExW
RegCreateKeyExW
RegCloseKey
GetTokenInformation
OpenProcessToken

shell32

ShellExecuteA

msvcp140d

?gptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?pptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?egptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?gbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?setg@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAD00@Z
?epptr@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?_Gndec@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Gnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?pbump@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXH@Z
?_Pninc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAPEADXZ
?_Pnavail@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBA_JXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXPEAPEAD0PEAH001@Z
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
?clear@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?tie@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_ostream@DU?$char_traits@D@std@@@2@XZ
?rdbuf@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBAPEAV?$basic_streambuf@DU?$char_traits@D@std@@@2@XZ
?fill@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADXZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
??0?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1?$basic_ostream@DU?$char_traits@D@std@@@std@@UEAA@XZ
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?write@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEBD_J@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Xbad_alloc@std@@YAXXZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?eback@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEBAPEADXZ
?width@ios_base@std@@QEAA_J_J@Z
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?width@ios_base@std@@QEBA_JXZ
?flags@ios_base@std@@QEBAHXZ
?good@ios_base@std@@QEBA_NXZ
??Bios_base@std@@QEBA_NXZ
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
??0_Lockit@std@@QEAA@H@Z
??1_Lockit@std@@QEAA@XZ
?uncaught_exceptions@std@@YAHXZ
?_Xlength_error@std@@YAXPEBD@Z
?_Xout_of_range@std@@YAXPEBD@Z
??Bid@locale@std@@QEAA_KXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?always_noconv@codecvt_base@std@@QEBA_NXZ

vcruntime140d

__vcrt_LoadLibraryExW
__vcrt_GetModuleHandleW
__vcrt_GetModuleFileNameW
__C_specific_handler_noexcept
__current_exception
__std_type_info_destroy_list
__C_specific_handler
_CxxThrowException
__std_exception_copy
__current_exception_context
__std_exception_destroy

vcruntime140_1d

__CxxFrameHandler4

ucrtbased

_initterm_e
_seh_filter_dll
_configure_narrow_argv
_initialize_narrow_environment
_initialize_onexit_table
_register_onexit_function
_execute_onexit_table
_crt_atexit
_crt_at_quick_exit
_cexit
strcpy_s
strcat_s
__stdio_common_vsprintf_s
terminate
_wmakepath_s
_wsplitpath_s
wcscpy_s
_initterm
_CrtDbgReportW
_malloc_dbg
_free_dbg
_CrtDbgReport
_unlock_file
_lock_file
ungetc
setvbuf
remove
fwrite
_fseeki64
fread
fputc
fopen
fgetpos
fgetc
fflush
fclose
_get_stream_buffer_pointers
_wassert
_invalid_parameter
_callnewh
malloc
fsetpos

Sections

.text
Size: 214KB - Virtual size: 214KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 71KB - Virtual size: 70KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 2KB - Virtual size: 1.1MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 14KB - Virtual size: 14KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.idata
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.msvcjmc
Size: 512B - Virtual size: 473B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.00cfg
Size: 512B - Virtual size: 337B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 6.8MB - Virtual size: 6.8MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

b3b5e33a21c0a44319a74c942ade87b4

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

shell32

msvcp140d

vcruntime140d

vcruntime140_1d

ucrtbased

Sections

.text Size: 214KB - Virtual size: 214KB

.rdata Size: 71KB - Virtual size: 70KB

.data Size: 2KB - Virtual size: 1.1MB

.pdata Size: 14KB - Virtual size: 14KB

.idata Size: 10KB - Virtual size: 9KB

.msvcjmc Size: 512B - Virtual size: 473B

.00cfg Size: 512B - Virtual size: 337B

.rsrc Size: 6.8MB - Virtual size: 6.8MB

.reloc Size: 4KB - Virtual size: 3KB

.text
Size: 214KB - Virtual size: 214KB

.rdata
Size: 71KB - Virtual size: 70KB

.data
Size: 2KB - Virtual size: 1.1MB

.pdata
Size: 14KB - Virtual size: 14KB

.idata
Size: 10KB - Virtual size: 9KB

.msvcjmc
Size: 512B - Virtual size: 473B

.00cfg
Size: 512B - Virtual size: 337B

.rsrc
Size: 6.8MB - Virtual size: 6.8MB

.reloc
Size: 4KB - Virtual size: 3KB