Insta[.]exe | Triage

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General

Target

Insta.exe
Size

12.8MB
MD5

82257be1736aee6d3ef49de226f11671
SHA1

84c4dc5aca17f73938a52301838efc3a2708f029
SHA256

b3f6008da82dde6bb604020a51b04580e7de9a4024ffbaceb9d2720164ff58f8
SHA512

a0cc1eaf7c557c004178f16ecf0f1a89d4a35f0102ca409850236159a21c152a89ede9d5ff65c8b395326aa1c14e8934311a8f67aec099aed5836fbedc4743f7
SSDEEP

393216:0Yzlg4gehlYs4S1sow440korYO+BJCW2:1l3MoJvrYOkg

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

Processes:

resource
Insta.exe

Files

Insta.exe
.exe windows:4 windows x64 arch:x64

988a317897d6e3c5ac236596db50b863

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DEBUG_STRIPPED

Imports

kernel32

CloseHandle
CopyFileW
CreateDirectoryW
CreateFileMappingW
CreateFileW
CreateProcessW
DeleteCriticalSection
DeleteFileW
EnterCriticalSection
FindResourceA
FormatMessageA
FreeLibrary
GetCommandLineW
GetCurrentProcessId
GetEnvironmentVariableW
GetExitCodeProcess
GetFileAttributesW
GetFileSize
GetLastError
GetModuleFileNameW
GetModuleHandleA
GetProcAddress
GetStartupInfoW
GetStdHandle
GetSystemTimeAsFileTime
GetTempPathW
InitializeCriticalSection
IsDBCSLeadByteEx
LeaveCriticalSection
LoadLibraryA
LoadResource
LockResource
MapViewOfFile
MultiByteToWideChar
ReadFile
SetConsoleCtrlHandler
SetEnvironmentVariableW
SetUnhandledExceptionFilter
SizeofResource
Sleep
TerminateProcess
TlsGetValue
UnmapViewOfFile
VirtualProtect
VirtualQuery
WaitForSingleObject
WideCharToMultiByte
WriteFile

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__iob_func
__set_app_type
__setusermatherr
__wargv
__wgetmainargs
__winitenv
_amsg_exit
_cexit
_commode
_errno
_fmode
_initterm
_lock
_onexit
_unlock
_wcmdln
_wcsdup
_wcsicmp
_wrename
abort
calloc
exit
fprintf
fputc
free
fwrite
localeconv
malloc
mbstowcs
memcpy
memmove
memset
puts
signal
strerror
strlen
strncmp
strncpy
vfprintf
wcschr
wcscmp
wcslen
wcsncmp

shell32

CommandLineToArgvW
SHFileOperationW
SHGetFolderPathW

Sections

.text
Size: 143KB - Virtual size: 142KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 272B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 22KB - Virtual size: 22KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.eh_fram
Size: 512B - Virtual size: 4B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 151KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.tls
Size: 512B - Virtual size: 16B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 12.6MB - Virtual size: 12.6MB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 152B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

988a317897d6e3c5ac236596db50b863

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcrt

shell32

Sections

.text Size: 143KB - Virtual size: 142KB

.data Size: 512B - Virtual size: 272B

.rdata Size: 22KB - Virtual size: 22KB

.eh_fram Size: 512B - Virtual size: 4B

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

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

.bss Size: - Virtual size: 151KB

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

.CRT Size: 512B - Virtual size: 96B

.tls Size: 512B - Virtual size: 16B

.rsrc Size: 12.6MB - Virtual size: 12.6MB

.reloc Size: 512B - Virtual size: 152B

.text
Size: 143KB - Virtual size: 142KB

.data
Size: 512B - Virtual size: 272B

.rdata
Size: 22KB - Virtual size: 22KB

.eh_fram
Size: 512B - Virtual size: 4B

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

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

.bss
Size: - Virtual size: 151KB

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

.CRT
Size: 512B - Virtual size: 96B

.tls
Size: 512B - Virtual size: 16B

.rsrc
Size: 12.6MB - Virtual size: 12.6MB

.reloc
Size: 512B - Virtual size: 152B