grpconv[.]exe | Triage

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General

Target

grpconv.exe
Size

17KB
MD5

19781141a3adac0d8161973da45740de
SHA1

b9e43e381ab7f7b2395ec1f03d6c3d2d5c2b59d8
SHA256

96fded6c59e6d44d6cf489b98b4f7b461dde76f6186db37473b89453bd55c40f
SHA512

828f141f30d98620075c4d4bdd64c593972b6afecfd31d9521999752495018f8467112f8c618d39381eb15bc942cad63a89c5f34674d464d3a3c26f80bce4481
SSDEEP

192:ALpUKYBfoZnxc2viPTbiJ78GdwyZUQ2ZDDe/3M60sw2yY6zKENiZ1vJI6SW2sWi3:76vLyPJGlux8/4zgZ1vu6SW2sWiyG

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: 604B

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: 604B

.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: 604B