sigmaahk[.]exe

Resubmissions

02/08/2024, 12:50

240802-p3eg2a1fqc 3

02/08/2024, 12:47

240802-p1qghswhql 3

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General

Target

sigmaahk.exe
Size

1.2MB
MD5

75f0589b9c481527fdd80bca152115fe
SHA1

929e321da6c4607f5ec8aa8923c0c9377212fefa
SHA256

2ab4d34a3963452c928182f81508ab7c9a406ec3c0c211b6a7af236039bdcb91
SHA512

4143bdf15d32504cf7a38226938e1872ce04f14467a4f40f1b8416b6c05a9b7a2860457caaf9b85179104684c0cbc0faf1691473e731fe002d39af98e8b0ef61
SSDEEP

24576:UUNxvqF6FGYJf6yjNQpNONZNlTX5PlGPgquLEIWxUc7N11QaSYx7GqmH:UUNxvC6FGYJf6yjNQpNONZnTX5PlGPgF

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
sigmaahk.exe

Files

sigmaahk.exe
.exe windows:5 windows x64 arch:x64

a649e6750bcf2911044dec744c57f40f

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

wsock32

gethostbyname
inet_addr
WSACleanup
gethostname
WSAStartup

winmm

mixerGetLineInfoW
mixerGetDevCapsW
mixerOpen
mciSendStringW
joyGetPosEx
mixerGetLineControlsW
mixerGetControlDetailsW
mixerSetControlDetails
waveOutGetVolume
mixerClose
waveOutSetVolume
joyGetDevCapsW

version

GetFileVersionInfoW
VerQueryValueW
GetFileVersionInfoSizeW

comctl32

ImageList_Create
CreateStatusWindowW
ImageList_ReplaceIcon
ImageList_GetIconSize
ImageList_Destroy
ImageList_AddMasked

psapi

GetProcessImageFileNameW
GetModuleBaseNameW
GetModuleFileNameExW

wininet

InternetOpenW
InternetOpenUrlW
InternetCloseHandle
InternetReadFileExA
InternetReadFile

kernel32

GetModuleFileNameW
GetSystemTimeAsFileTime
FindResourceW
SizeofResource
LoadResource
LockResource
GetFullPathNameW
GetShortPathNameW
FindFirstFileW
FindNextFileW
FindClose
FileTimeToLocalFileTime
SetEnvironmentVariableW
Beep
MoveFileW
OutputDebugStringW
CreateProcessW
GetFileAttributesW
WideCharToMultiByte
MultiByteToWideChar
GetExitCodeProcess
WriteProcessMemory
ReadProcessMemory
GetCurrentProcessId
OpenProcess
TerminateProcess
SetPriorityClass
SetLastError
GetEnvironmentVariableW
GetLocalTime
GetDateFormatW
GetTimeFormatW
GetDiskFreeSpaceExW
SetVolumeLabelW
CreateFileW
DeviceIoControl
GetDriveTypeW
GetVolumeInformationW
GetDiskFreeSpaceW
GetCurrentDirectoryW
CreateDirectoryW
ReadFile
WriteFile
DeleteFileW
SetFileAttributesW
LocalFileTimeToFileTime
SetFileTime
DeleteCriticalSection
GetSystemTime
GetSystemDefaultUILanguage
GetComputerNameW
GetSystemWindowsDirectoryW
GetTempPathW
EnterCriticalSection
LeaveCriticalSection
VirtualProtect
QueryDosDeviceW
CompareStringW
RemoveDirectoryW
CopyFileW
GetCurrentProcess
CreateToolhelp32Snapshot
Process32FirstW
Process32NextW
FormatMessageW
GetPrivateProfileStringW
GetPrivateProfileSectionW
GetPrivateProfileSectionNamesW
WritePrivateProfileStringW
WritePrivateProfileSectionW
SetEndOfFile
GetACP
GetFileType
GetStdHandle
SetFilePointerEx
SystemTimeToFileTime
FileTimeToSystemTime
GetFileSize
IsWow64Process
VirtualAllocEx
VirtualFreeEx
EnumResourceNamesW
LoadLibraryExW
GlobalSize
HeapReAlloc
EncodePointer
HeapFree
DecodePointer
ExitProcess
HeapAlloc
IsValidCodePage
FlsGetValue
FlsSetValue
FlsFree
FlsAlloc
UnhandledExceptionFilter
SetUnhandledExceptionFilter
IsDebuggerPresent
RtlVirtualUnwind
RtlLookupFunctionEntry
InitializeCriticalSection
GetCPInfo
GetVersionExW
GetModuleHandleW
FreeLibrary
GetProcAddress
LoadLibraryW
GetLastError
CreateMutexW
CloseHandle
GetExitCodeThread
SetThreadPriority
CreateThread
GetStringTypeExW
lstrcmpiW
GetCurrentThreadId
GlobalUnlock
GlobalFree
GlobalAlloc
GlobalLock
SetErrorMode
SetCurrentDirectoryW
Sleep
GetTickCount
MulDiv
RtlCaptureContext
HeapSetInformation
GetVersion
HeapCreate
InitializeCriticalSectionAndSpinCount
HeapSize
HeapQueryInformation
GetCommandLineW
GetStartupInfoW
RtlUnwindEx
GetStringTypeW
RaiseException
RtlPcToFileHeader
LCMapStringW
GetConsoleCP
GetConsoleMode
FreeEnvironmentStringsW
GetEnvironmentStringsW
SetHandleCount
QueryPerformanceCounter
GetOEMCP
SetFilePointer
WriteConsoleW
SetStdHandle
FlushFileBuffers
GetFileSizeEx
GetProcessHeap

user32

GetDlgItem
SetDlgItemTextW
MessageBeep
GetCursorInfo
GetLastInputInfo
GetSystemMenu
GetMenuItemCount
GetMenuItemID
GetSubMenu
GetMenuStringW
ExitWindowsEx
SetMenu
FlashWindow
GetPropW
SetPropW
RemovePropW
MapWindowPoints
RedrawWindow
SetWindowLongPtrW
SetParent
GetClassInfoExW
DefDlgProcW
GetAncestor
UpdateWindow
GetMessagePos
GetClassLongPtrW
CallWindowProcW
CheckRadioButton
IntersectRect
GetUpdateRect
PtInRect
CreateDialogIndirectParamW
GetWindowLongPtrW
CreateAcceleratorTableW
DestroyAcceleratorTable
InsertMenuItemW
SetMenuDefaultItem
RemoveMenu
SetMenuItemInfoW
IsMenu
GetMenuItemInfoW
CreateMenu
CreatePopupMenu
SetMenuInfo
AppendMenuW
DestroyMenu
TrackPopupMenuEx
CopyImage
CreateIconIndirect
CreateIconFromResourceEx
EnumClipboardFormats
GetWindow
BringWindowToTop
MessageBoxW
GetTopWindow
GetQueueStatus
SendDlgItemMessageW
SetClipboardViewer
LoadAcceleratorsW
EnableMenuItem
GetMenu
CreateWindowExW
RegisterClassExW
LoadCursorW
DestroyWindow
EnableWindow
MapVirtualKeyW
VkKeyScanExW
MapVirtualKeyExW
GetKeyboardLayoutNameW
ActivateKeyboardLayout
GetGUIThreadInfo
GetWindowTextW
mouse_event
WindowFromPoint
GetSystemMetrics
keybd_event
SetKeyboardState
GetKeyboardState
GetCursorPos
GetAsyncKeyState
AttachThreadInput
SendInput
UnregisterHotKey
RegisterHotKey
SendMessageTimeoutW
UnhookWindowsHookEx
SetWindowsHookExW
PostThreadMessageW
IsCharAlphaNumericW
IsCharUpperW
IsCharLowerW
ToUnicodeEx
GetKeyboardLayout
CallNextHookEx
CharLowerW
ReleaseDC
GetDC
OpenClipboard
GetClipboardData
GetClipboardFormatNameW
CloseClipboard
SetClipboardData
EmptyClipboard
PostMessageW
FindWindowW
EndDialog
IsWindow
DispatchMessageW
TranslateMessage
ShowWindow
CountClipboardFormats
SetWindowLongW
ScreenToClient
IsDialogMessageW
DialogBoxParamW
SetForegroundWindow
DefWindowProcW
FillRect
DrawIconEx
GetSysColorBrush
GetSysColor
RegisterWindowMessageW
EnumDisplayMonitors
IsIconic
IsZoomed
EnumWindows
ChangeClipboardChain
GetWindowTextLengthW
SendMessageW
IsWindowEnabled
GetWindowLongW
GetKeyState
TranslateAcceleratorW
KillTimer
PeekMessageW
GetFocus
GetClassNameW
GetWindowThreadProcessId
GetForegroundWindow
InvalidateRect
SetLayeredWindowAttributes
SetWindowPos
SetWindowRgn
SetFocus
SetActiveWindow
ClientToScreen
EnumChildWindows
MoveWindow
GetWindowRect
GetMonitorInfoW
MonitorFromPoint
GetClientRect
SystemParametersInfoW
AdjustWindowRectEx
DrawTextW
SetRect
GetIconInfo
SetWindowTextW
IsWindowVisible
BlockInput
GetMessageW
SetTimer
GetParent
GetDlgCtrlID
CharUpperW
IsClipboardFormatAvailable
CheckMenuItem
PostQuitMessage
IsCharAlphaW
LoadImageW
DestroyIcon

gdi32

GetPixel
GetClipRgn
GetCharABCWidthsW
SetBkMode
CreatePatternBrush
SetBrushOrgEx
EnumFontFamiliesExW
CreateDIBSection
GdiFlush
SetBkColor
ExcludeClipRect
SetTextColor
GetClipBox
BitBlt
CreateCompatibleBitmap
GetSystemPaletteEntries
GetDIBits
CreateCompatibleDC
CreatePolygonRgn
CreateRectRgn
CreateRoundRectRgn
CreateEllipticRgn
DeleteDC
GetObjectW
GetTextMetricsW
GetTextFaceW
SelectObject
GetStockObject
CreateDCW
CreateSolidBrush
CreateFontW
FillRgn
GetDeviceCaps
DeleteObject

comdlg32

CommDlgExtendedError
GetSaveFileNameW
GetOpenFileNameW

advapi32

RegDeleteKeyW
RegSetValueExW
RegCreateKeyExW
RegQueryValueExW
AdjustTokenPrivileges
LookupPrivilegeValueW
OpenProcessToken
CloseServiceHandle
UnlockServiceDatabase
LockServiceDatabase
OpenSCManagerW
GetUserNameW
RegEnumKeyExW
RegEnumValueW
RegQueryInfoKeyW
RegOpenKeyExW
RegCloseKey
RegConnectRegistryW
RegDeleteValueW

shell32

DragQueryPoint
SHEmptyRecycleBinW
SHFileOperationW
SHGetPathFromIDListW
SHBrowseForFolderW
SHGetDesktopFolder
SHGetMalloc
SHGetFolderPathW
ShellExecuteExW
Shell_NotifyIconW
DragFinish
DragQueryFileW
ExtractIconW

ole32

OleInitialize
OleUninitialize
CoCreateInstance
CoInitialize
CoUninitialize
CLSIDFromString
CLSIDFromProgID
CoGetObject
StringFromGUID2
CreateStreamOnHGlobal

oleaut32

SafeArrayGetLBound
GetActiveObject
SysStringLen
OleLoadPicture
SafeArrayUnaccessData
SafeArrayGetElemsize
SafeArrayAccessData
SafeArrayUnlock
SafeArrayPtrOfIndex
SafeArrayLock
SafeArrayGetDim
SafeArrayDestroy
SafeArrayGetUBound
VariantCopyInd
SafeArrayCopy
SysAllocString
VariantChangeType
VariantClear
SafeArrayCreate
SysFreeString

Sections

.text
Size: 889KB - Virtual size: 888KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 197KB - Virtual size: 196KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 20KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 31KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

text
Size: 9KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE

data
Size: 28KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 24KB - Virtual size: 23KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Resubmissions

Sharing

General

Malware Config

Signatures

Files

a649e6750bcf2911044dec744c57f40f

Headers

File Characteristics

Imports

wsock32

winmm

version

comctl32

psapi

wininet

kernel32

user32

gdi32

comdlg32

advapi32

shell32

ole32

oleaut32

Sections

.text Size: 889KB - Virtual size: 888KB

.rdata Size: 197KB - Virtual size: 196KB

.data Size: 20KB - Virtual size: 48KB

.pdata Size: 31KB - Virtual size: 30KB

text Size: 9KB - Virtual size: 9KB

data Size: 28KB - Virtual size: 27KB

.rsrc Size: 24KB - Virtual size: 23KB

.text
Size: 889KB - Virtual size: 888KB

.rdata
Size: 197KB - Virtual size: 196KB

.data
Size: 20KB - Virtual size: 48KB

.pdata
Size: 31KB - Virtual size: 30KB

text
Size: 9KB - Virtual size: 9KB

data
Size: 28KB - Virtual size: 27KB

.rsrc
Size: 24KB - Virtual size: 23KB