51ecc9b5d5cf1806ec8498827997a78403653b295635a3fb122b591a4aae35b2

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General

Target

51ecc9b5d5cf1806ec8498827997a78403653b295635a3fb122b591a4aae35b2
Size

2.1MB
MD5

47769cb157da6ba0ca1bbe5a5d354cc7
SHA1

9fab6ae15180c5ff494772b06d916945a0eb8eec
SHA256

51ecc9b5d5cf1806ec8498827997a78403653b295635a3fb122b591a4aae35b2
SHA512

ed9304c8569a4a75b1e61f1e0c3f18bc805a395a409a9868054fd52b8ad72860f1b848ebb4d68970721132a99392c09e6ef8b906ce283442039c3f18fc5267d3
SSDEEP

49152:GBsszfSdPJjGADnV1AN3l7s6UnGajOfQa7ZpCK2RenENIc96QC8+NSP05UzSmI7/:9suI7ZpCJCc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
51ecc9b5d5cf1806ec8498827997a78403653b295635a3fb122b591a4aae35b2

Files

51ecc9b5d5cf1806ec8498827997a78403653b295635a3fb122b591a4aae35b2
.dll windows x86

78304b0c767a9c4565305e03d6847c0d

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

nisec_skp

?TC_ClientInitialIssueKey@@YAHEPAD0@Z
?TC_ClientInitializeRTC@@YAHEPAD@Z
?TC_ClientExeSafeCmd@@YAHEEPAD@Z
?TC_ClientGenerateInsideAuth@@YAHEPAD0@Z
TC_GetChallenge
TC_GetFactor
?TC_SetRTCTimeMw@@YAHEPAD@Z
TC_GetRTCRand
TC_GetRTCTime
TC_SetRTCTime
TC_ReadCtlData
TC_DeleteCtlData
TC_WriteRTCInvoice
TC_SelectTaxApp
TC_SendCtlData
TC_GetSignature
TC_ReadRTCInvoice
TC_QueryCurSum
TC_BlankoutInvo
TC_WriteInvo
TC_InvoOperateR
TC_ReadInvoDetail
TC_MakeoutInvo
TC_GetInvoStatus
TC_InvoOperateW
TC_ModifyPIN
TC_RecordInvo
TC_QueryInvoSection
TC_BspReqRetrInvo
TC_SkpRetrBuyInvo
TC_BspRevokeInvoInfo
TC_QueryCurInvoTemp
TC_BspDispInvoInfo
TC_SkpRecvDispInvo
TC_BspQueryInvoInfo
TC_ReadLastDeclareDate
TC_QuerySpace
TC_SelectInvoType
TC_UpdateLoginInfo
TC_ReadDeclareData
TC_ReadSKPDeclareData
TC_WriteDeclareData
TC_WriteSKPDeclareData
?TC_ReadAuthKeyVersion@@YAHAAE@Z
TC_GetDiskVersion
TC_GetLastErr
TC_CheckPIN
TC_ReadManageData
TC_GetClock
TC_DataDecrypt
TC_OpenDisk
TC_CloseDisk
TC_DataEnDecrypt
TC_QueryAllInvoType
TC_EncryptInside

zlib_tools

RSA2048Validate

kernel32

GetCurrentThread
lstrcmpiA
lstrcmpA
GlobalDeleteAtom
GlobalAlloc
GlobalLock
CloseHandle
lstrcpynA
GlobalUnlock
FileTimeToSystemTime
FileTimeToLocalFileTime
LocalAlloc
TlsAlloc
GlobalFree
GlobalHandle
TlsFree
GlobalReAlloc
TlsSetValue
LocalReAlloc
TlsGetValue
SetErrorMode
lstrcatA
lstrcpyA
GetVersion
DuplicateHandle
GetCurrentProcess
LocalFree
ReadFile
WriteFile
SetFilePointer
FlushFileBuffers
LockFile
UnlockFile
SetEndOfFile
GetProcAddress
LoadLibraryA
GetVolumeInformationA
GetFullPathNameA
GetFileSize
GetFileTime
SetLastError
GlobalFlags
WritePrivateProfileStringA
GlobalFindAtomA
GlobalAddAtomA
GlobalGetAtomNameA
FreeLibrary
GetProcessVersion
GetCPInfo
GetOEMCP
RtlUnwind
GetTimeZoneInformation
GetSystemTime
CreateDirectoryA
RaiseException
GetCommandLineA
SetStdHandle
GetFileType
HeapAlloc
HeapFree
ExitProcess
TerminateProcess
HeapSize
HeapReAlloc
SetHandleCount
GetStdHandle
GetStartupInfoA
LCMapStringA
LCMapStringW
SetUnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
GetEnvironmentStrings
GetEnvironmentStringsW
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
GetStringTypeA
GetStringTypeW
VirtualAlloc
IsBadWritePtr
IsBadReadPtr
IsBadCodePtr
CompareStringA
CompareStringW
SetEnvironmentVariableA
lstrlenA
InterlockedDecrement
InterlockedIncrement
Sleep
GetLocalTime
GetCurrentThreadId
FindFirstFileA
FindNextFileA
DeleteFileA
FindClose
GetFileAttributesA
GetLastError
FormatMessageA
WideCharToMultiByte
MultiByteToWideChar
GetACP
EnterCriticalSection
LeaveCriticalSection
GetModuleHandleA
GetModuleFileNameA
DeleteCriticalSection
InitializeCriticalSection
CreateFileA
InterlockedExchange

user32

GetClientRect
AdjustWindowRectEx
GetSysColor
MapWindowPoints
LoadIconA
LoadCursorA
GetSysColorBrush
DestroyMenu
IsIconic
GetWindowPlacement
SetFocus
ShowWindow
SetWindowPos
SetWindowLongA
GetDlgItem
GrayStringA
DrawTextA
TabbedTextOutA
ReleaseDC
GetDC
SetWindowTextA
GetWindow
GetDlgCtrlID
GetWindowRect
PtInRect
GetClassNameA
GetSystemMetrics
CharUpperA
LoadStringA
UnhookWindowsHookEx
wsprintfA
GetWindowTextA
GetMenuCheckMarkDimensions
LoadBitmapA
GetMenuState
ModifyMenuA
SetMenuItemBitmaps
CheckMenuItem
EnableMenuItem
GetFocus
GetNextDlgTabItem
GetMessageA
TranslateMessage
DispatchMessageA
GetActiveWindow
GetKeyState
CallNextHookEx
ValidateRect
IsWindowVisible
PeekMessageA
GetCursorPos
SetWindowsHookExA
GetParent
GetLastActivePopup
IsWindowEnabled
GetWindowLongA
MessageBoxA
EnableWindow
SetCursor
SendMessageA
PostMessageA
PostQuitMessage
CopyRect
ClientToScreen
GetTopWindow
GetCapture
WinHelpA
GetClassInfoA
RegisterClassA
GetMenu
GetSubMenu
GetMenuItemID
DestroyWindow
CreateWindowExA
GetClassLongA
SetPropA
GetPropA
CallWindowProcA
RemovePropA
DefWindowProcA
GetMessageTime
GetMessagePos
GetForegroundWindow
SetForegroundWindow
RegisterWindowMessageA
GetMenuItemCount
SystemParametersInfoA
UnregisterClassA

gdi32

SetTextColor
SetMapMode
SetViewportOrgEx
OffsetViewportOrgEx
SetViewportExtEx
ScaleViewportExtEx
SetWindowExtEx
ScaleWindowExtEx
GetClipBox
SetBkColor
GetDeviceCaps
PtVisible
RectVisible
TextOutA
ExtTextOutA
Escape
GetObjectA
GetStockObject
SelectObject
RestoreDC
SaveDC
DeleteDC
DeleteObject
CreateBitmap

comdlg32

GetFileTitleA

winspool.drv

OpenPrinterA
ClosePrinter
DocumentPropertiesA

advapi32

RegCloseKey
RegOpenKeyExA
RegCreateKeyExA
RegSetValueExA

comctl32

ord17

oleaut32

SysAllocStringLen
VarDateFromStr

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Exports

Exports

Asc2Hex
DBDecrypt
DBEncrypt
ExportEncrypt
Hex2Asc
InitClient
OperateDisk
OperateDiskF
SetVerifyFlagX
UploadDecrypt
UploadEncrypt

Sections

.text
Size: 1.5MB - Virtual size: 1.5MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 260KB - Virtual size: 257KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 44KB - Virtual size: 59KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 104KB - Virtual size: 101KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Size: 88KB - Virtual size: 88KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rmnet
Size: 88KB - Virtual size: 88KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

78304b0c767a9c4565305e03d6847c0d

Headers

File Characteristics

Imports

nisec_skp

zlib_tools

kernel32

user32

gdi32

comdlg32

winspool.drv

advapi32

comctl32

oleaut32

version

Exports

Exports

Sections

.text Size: 1.5MB - Virtual size: 1.5MB

.rdata Size: 260KB - Virtual size: 257KB

.data Size: 44KB - Virtual size: 59KB

.rsrc Size: 8KB - Virtual size: 7KB

.reloc Size: 104KB - Virtual size: 101KB

Size: 88KB - Virtual size: 88KB

.rmnet Size: 88KB - Virtual size: 88KB

.text
Size: 1.5MB - Virtual size: 1.5MB

.rdata
Size: 260KB - Virtual size: 257KB

.data
Size: 44KB - Virtual size: 59KB

.rsrc
Size: 8KB - Virtual size: 7KB

.reloc
Size: 104KB - Virtual size: 101KB

.rmnet
Size: 88KB - Virtual size: 88KB