Static task
static1
Behavioral task
behavioral1
Sample
iexpress.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
iexpress.exe
Resource
win10v2004-20230703-en
General
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Target
iexpress.exe
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Size
149KB
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MD5
301531b4f52675be6fa6b4e6dca9f7f3
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SHA1
a82f801cfbd6be0b3af004417125cc7e5ed1f624
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SHA256
20a7e68d6be2003d90eba679fdab6ace8d2dfc88e9c195b71fc4fa624ef001b0
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SHA512
10532486803ecb95d120b079cdf3fb3fb3a9bfbd3b63c2b489c0d62ff9cdce57462c04c94f77f3e2e47f5ccc4a88f9e9b332fcf705c1aefcf6f90b02fc2fc6ce
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SSDEEP
3072:T13bwNVAS55JYS1gNDnGOb+ahXNqJohePnq45L84X7i:xkNVP5TkNDGOb+asEwv5LP
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource iexpress.exe
Files
-
iexpress.exe.exe windows x86
74c91aab7b963325bc9bc79d27993fb4
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
kernel32
CloseHandle
GetSystemInfo
WritePrivateProfileStringA
SetFileAttributesA
GetProcAddress
LocalFree
GetModuleHandleW
lstrcmpiA
CreateProcessA
CreateDirectoryA
FormatMessageA
GetPrivateProfileIntA
GetPrivateProfileStringA
WritePrivateProfileSectionA
GetExitCodeProcess
EnumResourceLanguagesA
SizeofResource
MoveFileA
SetLastError
LoadLibraryExA
EnumResourceNamesA
EnumResourceTypesA
UnmapViewOfFile
FreeResource
_llseek
GetFileInformationByHandle
GetTempPathA
FindResourceExA
CreateFileA
GlobalAlloc
GlobalFree
LoadResource
GlobalLock
CreateFileMappingA
_lread
FreeLibrary
_lclose
GetTempFileNameA
MapViewOfFile
GetTickCount
GlobalUnlock
_lwrite
GetCurrentDirectoryA
GetSystemTime
MultiByteToWideChar
WideCharToMultiByte
GetFileAttributesA
GetLastError
CopyFileA
CompareStringA
GetVersion
DeleteFileA
GetPrivateProfileSectionA
lstrcmpA
LocalAlloc
FindClose
GetFullPathNameA
GetUserDefaultUILanguage
WriteFile
FindFirstFileA
GetModuleFileNameA
Sleep
GetStartupInfoW
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
GetVersionExA
IsDBCSLeadByte
ReadFile
LockResource
GetShortPathNameA
gdi32
CreateFontIndirectA
DeleteObject
GetObjectA
GetDeviceCaps
CreateFontIndirectW
GetStockObject
user32
GetDlgItemTextA
ShowWindow
CheckRadioButton
GetWindowRect
SystemParametersInfoW
CharPrevA
CheckDlgButton
CharNextA
DispatchMessageA
GetDC
LoadStringA
PostMessageA
GetSystemMetrics
MessageBeep
IsDlgButtonChecked
SetWindowLongA
CallWindowProcA
GetWindowLongA
MessageBoxA
SetFocus
SendDlgItemMessageA
SendMessageA
GetDlgItem
PeekMessageA
GetParent
ReleaseDC
EnableWindow
MsgWaitForMultipleObjects
SetDlgItemTextA
msvcrt
?terminate@@YAXXZ
_acmdln
_initterm
memcpy
_ismbblead
__p__fmode
_cexit
_except_handler4_common
__setusermatherr
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
__p__commode
_XcptFilter
wcsncmp
mbstowcs
malloc
_splitpath_s
strchr
free
strtoul
_vsnprintf
memcpy_s
toupper
strtok
_itoa_s
_controlfp
memset
comctl32
CreatePropertySheetPageA
PropertySheetA
DestroyPropertySheetPage
comdlg32
GetOpenFileNameA
GetSaveFileNameA
version
VerQueryValueA
GetFileVersionInfoA
GetFileVersionInfoSizeA
imagehlp
CheckSumMappedFile
advapi32
RegQueryValueExA
RegCloseKey
RegOpenKeyExA
Sections
.text Size: 51KB - Virtual size: 50KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 3KB - Virtual size: 11KB
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: 86KB - Virtual size: 85KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ