InstACM[.]exe | Triage

Sharing

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General

Target

InstACM.exe
Size

982KB
MD5

c1f071741bb65e657b3c515011fca5c1
SHA1

c1b3fbb31efa7b0a432bd0205eae820ea5e9c4c3
SHA256

cf5c921e886f6cacc608aa565d290c0adfb893959cae0f641eb972c960bb359b
SHA512

836993965c77e7cf5cf36dbdb18bbb6a3c54356946ea36447814e046f621ef92ec7ed086cf7cdec98a85c4da03f9c7571337018ba9f8122952524b205306d00a
SSDEEP

12288:th6yCjasS/3s9PT8xbuXq8BzIYiCwHnUXDxiXhOP7dS4csKSBATRSbFyA6Ng1C2k:trymuQxy1BHDwSDUxOzdSNrMCDrHLQED

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
InstACM.exe

Files

InstACM.exe
.exe windows x86

c0e79495eea5ea137afed09deae06d3f

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

advapi32

RegCloseKey
RegCreateKeyExA
RegOpenKeyExA
RegQueryValueExA
RegSetValueExA

kernel32

CloseHandle
CompareStringA
CreateDirectoryA
CreateDirectoryW
CreateFileA
CreateFileW
DeleteFileA
DeleteFileW
DosDateTimeToFileTime
ExitProcess
ExpandEnvironmentStringsA
FileTimeToLocalFileTime
FileTimeToSystemTime
FindClose
FindFirstFileA
FindFirstFileW
FindNextFileA
FindNextFileW
FindResourceA
FreeLibrary
GetCPInfo
GetCommandLineA
GetCurrentDirectoryA
GetDateFormatA
GetFileAttributesA
GetFileAttributesW
GetFileType
GetFullPathNameA
GetLastError
GetLocaleInfoA
GetModuleFileNameA
GetModuleHandleA
GetNumberFormatA
GetProcAddress
GetProcessHeap
GetStdHandle
GetTempPathA
GetTickCount
GetTimeFormatA
GetVersionExA
GlobalAlloc
HeapAlloc
HeapFree
HeapReAlloc
IsDBCSLeadByte
LoadLibraryA
LocalFileTimeToFileTime
MoveFileA
MoveFileExA
MultiByteToWideChar
OpenFile
ReadFile
SetCurrentDirectoryA
SetEnvironmentVariableA
SetFileAttributesA
SetFileAttributesW
SetFilePointer
SetFileTime
SetLastError
SetVolumeLabelA
Sleep
SystemTimeToFileTime
WaitForSingleObject
WideCharToMultiByte
WriteFile
_lclose
lstrcmpiA
lstrlenA

comctl32

ord17

gdi32

DeleteObject

shell32

SHBrowseForFolderA
SHChangeNotify
SHFileOperationA
SHGetFileInfoA
SHGetMalloc
SHGetSpecialFolderLocation
ShellExecuteExA
SHGetPathFromIDListA

user32

CharLowerA
CharToOemA
CharToOemBuffA
CharUpperA
CopyRect
CreateWindowExA
DefWindowProcA
DestroyIcon
DestroyWindow
DialogBoxParamA
DispatchMessageA
EnableWindow
EndDialog
FindWindowExA
GetClassNameA
GetClientRect
GetDlgItem
GetDlgItemTextA
GetMessageA
GetParent
GetSysColor
GetSystemMetrics
GetWindow
GetWindowLongA
GetWindowRect
GetWindowTextA
IsWindow
IsWindowVisible
LoadBitmapA
LoadCursorA
LoadIconA
LoadStringA
MapWindowPoints
MessageBoxA
OemToCharA
OemToCharBuffA
PeekMessageA
PostMessageA
RegisterClassExA
SendDlgItemMessageA
SendMessageA
SetDlgItemTextA
SetFocus
SetMenu
SetWindowLongA
SetWindowPos
SetWindowTextA
ShowWindow
TranslateMessage
UpdateWindow
WaitForInputIdle
wsprintfA
wvsprintfA

ole32

CLSIDFromString
CoCreateInstance
CreateStreamOnHGlobal
OleInitialize
OleUninitialize

Sections

.text
Size: 42KB - Virtual size: 44KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 15KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

c0e79495eea5ea137afed09deae06d3f

Headers

File Characteristics

Imports

advapi32

kernel32

comctl32

gdi32

shell32

user32

ole32

Sections

.text Size: 42KB - Virtual size: 44KB

.data Size: 3KB - Virtual size: 64KB

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

.rsrc Size: 15KB - Virtual size: 16KB

.text
Size: 42KB - Virtual size: 44KB

.data
Size: 3KB - Virtual size: 64KB

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

.rsrc
Size: 15KB - Virtual size: 16KB