orcinus[.]exe | Triage

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General

Target

orcinus.exe
Size

1.2MB
MD5

03fc892441840c28beff5933a322810d
SHA1

58d9dff39505fc48b9dbaca71312f4fcba823d33
SHA256

c48a025e66627657f17b98d15b13e9326244bc38d7019604e3242a6d8ad96430
SHA512

0e9ae076d65792ea4d6cf0f44af9c88ce684e6ae05f9c21e441f39bf2ccd81570d24593d471c00272fcdca79651da61c28891df8de86b4f7eda9c13d808d3623
SSDEEP

24576:EO/lnSVsQ5Tl+rs/RKKkkJiIZeHaHgkhYWppfXRmereVpGICAivg5ofYEsPVbunL:EunC1z+oRKKkkJJ/AiYWpJBmerebGIC9

Score

1^/10

Malware Config

Signatures

NSIS installer 2 IoCs

installer

resource	yara_rule
sample	nsis_installer_1
sample	nsis_installer_2

Files

orcinus.exe
.exe windows x86

bd1dc23681f44e733e87b20cf5b908b7

Code Sign

19:4d:57:40:dc:c9:32:c1:d1:39:2d:cb:c3:35:a0:4d:8f:9b:fa:2b
Certificate

Issuer

OU=Bort Kraeves Oprullendes\ ,O=Nowder,L=Alta,ST=Wyoming,C=US,1.2.840.113549.1.9.1=#0c1d456e646f6d657472696140556473706172696e6765726e65732e536865

Not Before

23/07/2022, 04:11

Not After

22/07/2025, 04:11

Subject

OU=Bort Kraeves Oprullendes\ ,O=Nowder,L=Alta,ST=Wyoming,C=US,1.2.840.113549.1.9.1=#0c1d456e646f6d657472696140556473706172696e6765726e65732e536865

1c:02:69:10:b7:67:5d:a3:5c:f5:ba:39:02:f9:44:17:8c:7d:74:a9:4a:d4:e5:4c:a1:d7:c7:38:8e:4e:6b:51
Signer

Actual PE Digest

1c:02:69:10:b7:67:5d:a3:5c:f5:ba:39:02:f9:44:17:8c:7d:74:a9:4a:d4:e5:4c:a1:d7:c7:38:8e:4e:6b:51

Digest Algorithm

sha256

PE Digest Matches

true

Signature Validations

Trusted

false

Verification

Signing Certificate

OU=Bort Kraeves Oprullendes\ ,O=Nowder,L=Alta,ST=Wyoming,C=US,1.2.840.113549.1.9.1=#0c1d456e646f6d657472696140556473706172696e6765726e65732e536865

27/03/2023, 18:21
Valid: false

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

kernel32

Sleep
SetFileAttributesA
GetFileAttributesA
GetTickCount
GetFileSize
GetModuleFileNameA
ReadFile
CreateFileA
GetCurrentProcess
ExitProcess
SetEnvironmentVariableA
GetWindowsDirectoryA
GetTempPathA
GetCommandLineA
GetVersion
SetErrorMode
ExpandEnvironmentStringsA
CopyFileA
GetFullPathNameA
GlobalUnlock
GlobalLock
CreateThread
GetLastError
CreateDirectoryA
CreateProcessA
RemoveDirectoryA
GetTempFileNameA
WriteFile
lstrcpyA
MoveFileExA
lstrcatA
GetSystemDirectoryA
LoadLibraryA
GetProcAddress
lstrcmpiA
lstrcmpA
SetCurrentDirectoryA
MoveFileA
CompareFileTime
GetShortPathNameA
SearchPathA
CloseHandle
SetFileTime
GetDiskFreeSpaceA
lstrlenA
lstrcpynA
GlobalFree
FindFirstFileA
FindNextFileA
DeleteFileA
SetFilePointer
GetPrivateProfileStringA
FindClose
MultiByteToWideChar
MulDiv
WritePrivateProfileStringA
FreeLibrary
LoadLibraryExA
GetModuleHandleA
GetExitCodeProcess
WaitForSingleObject
GlobalAlloc

user32

GetSystemMenu
SetClassLongA
EnableMenuItem
IsWindowEnabled
SetWindowPos
GetSysColor
GetWindowLongA
SetCursor
LoadCursorA
CheckDlgButton
GetMessagePos
LoadBitmapA
CallWindowProcA
IsWindowVisible
CloseClipboard
SetClipboardData
EmptyClipboard
ScreenToClient
GetWindowRect
GetDlgItem
CreatePopupMenu
GetSystemMetrics
SetDlgItemTextA
GetDlgItemTextA
MessageBoxIndirectA
CharPrevA
DispatchMessageA
PeekMessageA
GetDC
ReleaseDC
EnableWindow
InvalidateRect
SendMessageA
DefWindowProcA
BeginPaint
GetClientRect
FillRect
EndDialog
RegisterClassA
SystemParametersInfoA
CreateWindowExA
GetClassInfoA
DialogBoxParamA
CharNextA
ExitWindowsEx
LoadImageA
CreateDialogParamA
SetTimer
SetWindowTextA
SetWindowLongA
SetForegroundWindow
ShowWindow
IsWindow
SendMessageTimeoutA
FindWindowExA
OpenClipboard
TrackPopupMenu
AppendMenuA
DrawTextA
EndPaint
DestroyWindow
wsprintfA
PostQuitMessage

gdi32

SelectObject
SetBkMode
CreateFontIndirectA
SetTextColor
DeleteObject
GetDeviceCaps
CreateBrushIndirect
SetBkColor

shell32

SHGetSpecialFolderLocation
SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA

advapi32

RegDeleteKeyA
SetFileSecurityA
OpenProcessToken
LookupPrivilegeValueA
AdjustTokenPrivileges
RegOpenKeyExA
RegEnumValueA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA
RegSetValueExA
RegQueryValueExA
RegEnumKeyA

comctl32

ImageList_AddMasked
ord17
ImageList_Destroy
ImageList_Create

ole32

OleUninitialize
OleInitialize
CoTaskMemFree
CoCreateInstance

Sections

.text
Size: 23KB - Virtual size: 23KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 5KB - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1KB - Virtual size: 106KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 64KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 214KB - Virtual size: 213KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

bd1dc23681f44e733e87b20cf5b908b7

Code Sign

19:4d:57:40:dc:c9:32:c1:d1:39:2d:cb:c3:35:a0:4d:8f:9b:fa:2bCertificate

1c:02:69:10:b7:67:5d:a3:5c:f5:ba:39:02:f9:44:17:8c:7d:74:a9:4a:d4:e5:4c:a1:d7:c7:38:8e:4e:6b:51Signer

Signature Validations

Verification

27/03/2023, 18:21 Valid: false

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

Sections

.text Size: 23KB - Virtual size: 23KB

.rdata Size: 5KB - Virtual size: 4KB

.data Size: 1KB - Virtual size: 106KB

.ndata Size: - Virtual size: 64KB

.rsrc Size: 214KB - Virtual size: 213KB

19:4d:57:40:dc:c9:32:c1:d1:39:2d:cb:c3:35:a0:4d:8f:9b:fa:2b
Certificate

1c:02:69:10:b7:67:5d:a3:5c:f5:ba:39:02:f9:44:17:8c:7d:74:a9:4a:d4:e5:4c:a1:d7:c7:38:8e:4e:6b:51
Signer

27/03/2023, 18:21
Valid: false

.text
Size: 23KB - Virtual size: 23KB

.rdata
Size: 5KB - Virtual size: 4KB

.data
Size: 1KB - Virtual size: 106KB

.ndata
Size: - Virtual size: 64KB

.rsrc
Size: 214KB - Virtual size: 213KB