c3f8000c2392432b59cacd6b837f3047

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General

Target

c3f8000c2392432b59cacd6b837f3047
Size

705KB
MD5

c3f8000c2392432b59cacd6b837f3047
SHA1

3e941b53ce892b6113a22b84c32e638bcfd0223e
SHA256

e2761146e6d5662bdb84be1444f5e8de27b598451c7a64529bed98ce12a7a8cf
SHA512

fc056189ce39aa42a16914afb2bde0613689e1eab0a35aeb2e8b86487077ed0828efdb8e856a3698b97c76fc5dfb1e65baeb7827d59789e65e1acda4da472c00
SSDEEP

12288:uCEbTk/2Z4d7DWZ1Ec/aAzh45SHp2VkneVoNEY3EnvUzA8/qHs4FIbqKLC6DEcwT:upg/2ZE3WZ1X/5Ojkn8yuvcA8/UI+KLM

Score

3^/10

Malware Config

Signatures

Unsigned PE 5 IoCs

Checks for missing Authenticode signature.

resource
unpack001/CoreAVC Professional Edition/CoreAVC Professional Edition-uninstall.exe
unpack002/$PLUGINSDIR/System.dll
unpack002/$PLUGINSDIR/avcreg.dll
unpack001/CoreAVC Professional Edition/CoreAVCDecoder.ax
unpack001/CoreAVC Professional Edition/CoreAVCDecoder64.ax

NSIS installer 2 IoCs

installer

resource	yara_rule
static1/unpack001/CoreAVC Professional Edition/CoreAVC Professional Edition-uninstall.exe	nsis_installer_1
static1/unpack001/CoreAVC Professional Edition/CoreAVC Professional Edition-uninstall.exe	nsis_installer_2

Files

c3f8000c2392432b59cacd6b837f3047
.rar
CoreAVC Professional Edition/CoreAVC Professional Edition-uninstall.exe
.exe windows:4 windows x86 arch:x86

7fa974366048f9c551ef45714595665e

Headers

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

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

user32

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

gdi32

SetBkColor
GetDeviceCaps
DeleteObject
CreateBrushIndirect
CreateFontIndirectA
SetBkMode
SetTextColor
SelectObject

shell32

SHGetPathFromIDListA
SHBrowseForFolderA
SHGetFileInfoA
ShellExecuteA
SHFileOperationA
SHGetSpecialFolderLocation

advapi32

RegQueryValueExA
RegSetValueExA
RegEnumKeyA
RegEnumValueA
RegOpenKeyExA
RegDeleteKeyA
RegDeleteValueA
RegCloseKey
RegCreateKeyExA

comctl32

ImageList_AddMasked
ImageList_Destroy
ord17
ImageList_Create

ole32

CoTaskMemFree
OleInitialize
OleUninitialize
CoCreateInstance

version

GetFileVersionInfoSizeA
GetFileVersionInfoA
VerQueryValueA

Sections

.text
Size: 23KB - Virtual size: 22KB

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: 1024B - Virtual size: 151KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.ndata
Size: - Virtual size: 48KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 30KB - Virtual size: 30KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
$PLUGINSDIR/System.dll
.dll windows:4 windows x86 arch:x86

4ec328f99bdd944fc98d8a5cf11f7a62

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

kernel32

GlobalAlloc
GlobalFree
GlobalSize
lstrcpyA
lstrcpynA
FreeLibrary
lstrcatA
GetProcAddress
LoadLibraryA
GetModuleHandleA
MultiByteToWideChar
lstrlenA
WideCharToMultiByte
GetLastError
VirtualAlloc
VirtualProtect

user32

wsprintfA

ole32

StringFromGUID2
CLSIDFromString

Exports

Exports

Alloc
Call
Copy
Free
Get
Int64Op
Store

Sections

.text
Size: 7KB - Virtual size: 6KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 784B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 92B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 496B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
$PLUGINSDIR/avcreg.dll
.dll windows:4 windows x86 arch:x86

966745bf94c0195eef2055e5caabc97a

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

LoadLibraryA
GetProcAddress
VirtualAlloc
VirtualFree

advapi32

RegCloseKey

Exports

Exports

check_key
filter_reg_win7
filter_unreg_win7

Sections

.text
Size: 20KB - Virtual size: 56KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 5KB - Virtual size: 8KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
$PLUGINSDIR/modern-header.bmp
CoreAVC Professional Edition/CoreAVCDecoder.ax
.dll regsvr32 windows:4 windows x86 arch:x86

024aa61621a5d416b270cc02ab01d134

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

Imports

kernel32

LoadLibraryA
GetProcAddress
VirtualAlloc
VirtualFree

shell32

ShellExecuteA

advapi32

RegEnumKeyExA

ole32

CoTaskMemFree

oleaut32

SafeArrayAccessData

user32

GetSystemMenu

version

GetFileVersionInfoA

comctl32

InitCommonControlsEx

gdi32

SetTextColor

Exports

Exports

Configure
DllCanUnloadNow
DllGetClassObject
DllMain
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 276KB - Virtual size: 1.1MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 9KB - Virtual size: 12KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.reloc
Size: 512B - Virtual size: 4KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
CoreAVC Professional Edition/CoreAVCDecoder64.ax
.dll regsvr32 windows:4 windows x64 arch:x64

c0490735f509e93f7d22afd39782fca4

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED
IMAGE_FILE_DLL

Imports

kernel32

GetModuleHandleA
GetProcAddress

version

VerQueryValueA

comctl32

InitCommonControlsEx

user32

SetTimer

gdi32

SetBkMode

advapi32

FreeSid

shell32

ShellExecuteA

ole32

CoInitialize

oleaut32

SysAllocStringLen

Exports

Exports

Configure
DllCanUnloadNow
DllGetClassObject
DllMain
DllRegisterServer
DllUnregisterServer

Sections

.MPRESS1
Size: 363KB - Virtual size: 1.2MB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.MPRESS2
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
CoreAVC Professional Edition/CoreAVCReadme.txt

Sharing

General

Malware Config

Signatures

Files

7fa974366048f9c551ef45714595665e

Headers

File Characteristics

Imports

kernel32

user32

gdi32

shell32

advapi32

comctl32

ole32

version

Sections

.text Size: 23KB - Virtual size: 22KB

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

.data Size: 1024B - Virtual size: 151KB

.ndata Size: - Virtual size: 48KB

.rsrc Size: 30KB - Virtual size: 30KB

4ec328f99bdd944fc98d8a5cf11f7a62

Headers

File Characteristics

Imports

kernel32

user32

ole32

Exports

Exports

Sections

.text Size: 7KB - Virtual size: 6KB

.rdata Size: 1024B - Virtual size: 784B

.data Size: 512B - Virtual size: 92B

.reloc Size: 512B - Virtual size: 496B

966745bf94c0195eef2055e5caabc97a

Headers

File Characteristics

Imports

kernel32

advapi32

Exports

Exports

Sections

.text Size: 20KB - Virtual size: 56KB

.rsrc Size: 5KB - Virtual size: 8KB

.reloc Size: 512B - Virtual size: 4KB

024aa61621a5d416b270cc02ab01d134

Headers

File Characteristics

Imports

kernel32

shell32

advapi32

ole32

oleaut32

user32

version

comctl32

gdi32

Exports

Exports

Sections

.text Size: 276KB - Virtual size: 1.1MB

.rsrc Size: 9KB - Virtual size: 12KB

.reloc Size: 512B - Virtual size: 4KB

c0490735f509e93f7d22afd39782fca4

Headers

File Characteristics

Imports

kernel32

version

comctl32

user32

gdi32

advapi32

shell32

ole32

.text
Size: 23KB - Virtual size: 22KB

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

.data
Size: 1024B - Virtual size: 151KB

.ndata
Size: - Virtual size: 48KB

.rsrc
Size: 30KB - Virtual size: 30KB

.text
Size: 7KB - Virtual size: 6KB

.rdata
Size: 1024B - Virtual size: 784B

.data
Size: 512B - Virtual size: 92B

.reloc
Size: 512B - Virtual size: 496B

.text
Size: 20KB - Virtual size: 56KB

.rsrc
Size: 5KB - Virtual size: 8KB

.reloc
Size: 512B - Virtual size: 4KB

.text
Size: 276KB - Virtual size: 1.1MB

.rsrc
Size: 9KB - Virtual size: 12KB

.reloc
Size: 512B - Virtual size: 4KB

.MPRESS1
Size: 363KB - Virtual size: 1.2MB

.MPRESS2
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 3KB - Virtual size: 3KB