grpconv[.]exe | Triage

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General

Target

grpconv.exe
Size

17KB
MD5

059c03f2168a632ff4aa127ff76d0880
SHA1

cf00b969c94f1009155117273de4581a0c17f429
SHA256

036a21890403b326e303ea5d24cc54c9bfa3c67869a6a5defa2b4314cf88b0f0
SHA512

abbce7bbecde745108ed54358b5f17134bdb2481b037b18aa55118dfbf61b2fd51b23533a75a545eeeae5d89f6aa0f1ce6028dbac1b1816bfbf66c7afbd62e7a
SSDEEP

192:V/8itZYBfmPxcuinRTKBL8GTkoxm22ZDDUkJeUnebY6zPEUiZ1fJI6mWOsWc2hH:2X05Gx5G58nKkgzqZ1fu6mWOsWc2p

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
grpconv.exe

Files

grpconv.exe
.exe windows x86

53f2ec8a4091b21c48cf8e7f125eda29

Headers

DLL Characteristics

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_32BIT_MACHINE

Imports

advapi32

RegEnumValueW
RegQueryValueExW
RegCloseKey
RegCreateKeyExW
RegOpenKeyExW

kernel32

lstrlenW
GlobalUnlock
GlobalFree
ExpandEnvironmentStringsW
GetWindowsDirectoryW
GetSystemWindowsDirectoryW
lstrcmpW
HeapSetInformation
GetThreadLocale
GetCommandLineW
lstrcmpiW
GetPrivateProfileSectionW
GlobalLock
LocalFree
LocalAlloc
SetErrorMode
GlobalAlloc

user32

LoadStringW
CharNextW
SetCursor
LoadCursorW

msvcrt

_cexit
?terminate@@YAXXZ
_controlfp
_except_handler4_common
_acmdln
_exit
_initterm
__setusermatherr
_ismbblead
exit
__set_app_type
_XcptFilter
__p__commode
_amsg_exit
__getmainargs
__p__fmode
memmove

comctl32

ord17
ord332
ord334
ord328

shell32

ord58
ord42
ord165
ord49
ord94
SHAddToRecentDocs
ord164
SHChangeNotify
SHGetFolderPathEx
ord51

shlwapi

ord456
ord158
PathRemoveFileSpecW
StrToIntW
PathGetArgsW
PathFileExistsW
PathAppendW
PathIsUNCW
PathGetDriveNumberW
PathFindFileNameW
PathUnquoteSpacesW

api-ms-win-core-com-l1-1-0

CoUninitialize
CoCreateInstance
CoInitializeEx

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-processthreads-l1-1-0

GetCurrentThreadId
GetCurrentProcessId
GetStartupInfoW
GetCurrentProcess
TerminateProcess

api-ms-win-core-errorhandling-l1-1-0

SetUnhandledExceptionFilter
UnhandledExceptionFilter

api-ms-win-core-libraryloader-l1-2-0

GetModuleHandleW

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-sysinfo-l1-1-0

GetSystemTimeAsFileTime
GetTickCount

imm32

ImmDisableIME

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 992B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 4KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 608B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

53f2ec8a4091b21c48cf8e7f125eda29

Headers

DLL Characteristics

File Characteristics

Imports

advapi32

kernel32

user32

msvcrt

comctl32

shell32

shlwapi

api-ms-win-core-com-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

imm32

Sections

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

.data Size: 512B - Virtual size: 992B

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

.rsrc Size: 4KB - Virtual size: 3KB

.reloc Size: 1024B - Virtual size: 608B

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

.data
Size: 512B - Virtual size: 992B

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

.rsrc
Size: 4KB - Virtual size: 3KB

.reloc
Size: 1024B - Virtual size: 608B