cmmon32[.]exe | Triage

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General

Target

cmmon32.exe
Size

41KB
MD5

dcce9b491eca7b31a801d17021ce67f0
SHA1

83844797935ea7c41fe6def025744c7528b1e3fe
SHA256

044d47369ea6d937443fe1efc821e54055281a33fb7a7398da1279097ca84b6b
SHA512

ed29ee0686427b3894ed60c6a70a2b5c152a9601fe953be96ec86a447e52ea701474476d17d10a38da48eecea02b7cdc30a11e831febaff24adec7db36eb0abf
SSDEEP

768:UHDnOH/9UASnwek9kXIDhA6opUIsWN1pggX37g2ezGbr4rNMgJG6lr:UHDg91HfpopUWkfzGX4rNlJG6lr

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
cmmon32.exe

Files

cmmon32.exe
.exe windows:6 windows x64

5015dbbdaf3d4e8e9867316401bc1cd7

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Imports

kernel32

GetProcAddress
CreateEventW
SetProcessWorkingSetSize
lstrcmpiW
GetCurrentThreadId
CloseHandle
CreateThread
SetEvent
GetModuleHandleA
OpenEventW
GetCurrentProcessId
lstrlenA
Sleep
GetLocaleInfoW
GetNumberFormatW
GetLastError
lstrlenW
lstrcmpW
WaitForSingleObject
UnmapViewOfFile
MapViewOfFile
LocalFree
LocalAlloc
LoadLibraryA
WideCharToMultiByte
GetSystemTimeAsFileTime
QueryPerformanceCounter
GetModuleHandleW
TerminateProcess
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
GetStartupInfoW
GetExitCodeProcess
LoadLibraryW
OpenProcess
GetProcessHeap
GetTickCount
LoadLibraryExW
FreeLibrary
OpenFileMappingW

gdi32

DeleteObject

user32

SetDlgItemTextW
SendDlgItemMessageW
SetWindowTextW
GetDlgItem
RegisterWindowMessageW
EnableWindow
SendMessageW
IsWindowVisible
PostThreadMessageW
IsWindow
ShowWindow
SetWindowPos
PeekMessageW
SystemParametersInfoW
IsDialogMessageW
TranslateMessage
SetForegroundWindow
GetLastActivePopup
MsgWaitForMultipleObjects
GetMessageW
GetWindowRect
DestroyWindow
SetWindowLongPtrW
CreateDialogParamW
GetWindowLongPtrW
DefWindowProcW
GetUserObjectInformationW
CreateWindowExW
RegisterClassExW
GetProcessWindowStation
PostMessageW
GetThreadDesktop
DispatchMessageW
PostQuitMessage

msvcrt

?terminate@@YAXXZ
memset
memcpy
_commode
_fmode
_acmdln
__C_specific_handler
_initterm
__setusermatherr
_ismbblead
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
_vsnwprintf
memmove
_vsnprintf

cmutil

?GPPB@CIniW@@QEBAHPEBG0H@Z
CmAtolW
CmIsDigitW
ReleaseBold
MakeBold
CmLoadStringW
CmFmtMsgW
CmStrCpyAllocW
IsLogonAsSystem
??0CIniW@@QEAA@PEAUHINSTANCE__@@PEBG111@Z
??1CIniW@@QEAA@XZ
?Clear@CIniW@@QEAAXXZ
?SetHInst@CIniW@@QEAAXPEAUHINSTANCE__@@@Z
?SetFile@CIniW@@QEAAXPEBG@Z
?SetPrimaryFile@CIniW@@QEAAXPEBG@Z
?SetPrimaryRegPath@CIniW@@QEAAXPEBG@Z
?GetFile@CIniW@@QEBAPEBGXZ
?GetPrimaryRegPath@CIniW@@QEBAPEBGXZ
?GPPS@CIniW@@QEBAPEAGPEBG00@Z
?GPPI@CIniW@@QEBAKPEBG0K@Z
??0CmLogFile@@QEAA@XZ
??1CmLogFile@@QEAA@XZ
?Init@CmLogFile@@QEAAJPEAUHINSTANCE__@@HPEBG@Z
?SetParams@CmLogFile@@QEAAJHKPEBG@Z
?Start@CmLogFile@@QEAAJH@Z
?Stop@CmLogFile@@QEAAJXZ
?DeInit@CmLogFile@@QEAAJXZ
?Log@CmLogFile@@QEAAXW4_CMLOG_ITEM@@ZZ
CmLoadIconW
CmLoadSmallIconW
CmBuildFullPathFromRelativeW
CmFree
CmMalloc

Sections

.text
Size: 30KB - Virtual size: 29KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 1024B - Virtual size: 912B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 68B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

5015dbbdaf3d4e8e9867316401bc1cd7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

gdi32

user32

msvcrt

cmutil

Sections

.text Size: 30KB - Virtual size: 29KB

.data Size: 512B - Virtual size: 2KB

.pdata Size: 1024B - Virtual size: 912B

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

.rsrc Size: 3KB - Virtual size: 2KB

.reloc Size: 512B - Virtual size: 68B

.text
Size: 30KB - Virtual size: 29KB

.data
Size: 512B - Virtual size: 2KB

.pdata
Size: 1024B - Virtual size: 912B

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

.rsrc
Size: 3KB - Virtual size: 2KB

.reloc
Size: 512B - Virtual size: 68B