FirefoxSetup[.]exe

Resubmissions

15/03/2024, 06:33

240315-ha7vjsaa9t 7

14/03/2024, 00:44

13/03/2024, 17:28

13/03/2024, 17:24

13/03/2024, 17:08

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General

Target

FirefoxSetup.exe
Size

1.4MB
MD5

a2fda06923c6ba1fe3ac5cb6376a042b
SHA1

bb3add19bb0cea1fdda1e6e62ecc508d69cd14fc
SHA256

bc957fb9383ec2497989c07a035823a43b81a723fe0348f87cfb5d38f9ccc70f
SHA512

692998cc557b82cc9eee429f5a23a5b50634f0bdb5a760bafeff2b872c37346ab1a3948d3a7e75142fb7a734ba0a42ef949c8c2f2736872440dcbfad5b462d7f
SSDEEP

24576:Opul+YYVYA13Db+zIrVIQsnLDg4Z15FnvckO9Be3jnv9:OpulYVYA1uzIBIHLzfnvOKzn

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
FirefoxSetup.exe

Files

FirefoxSetup.exe
.exe windows:4 windows x64 arch:x64

5f87a76a58e23da0bbe7478c2d4eb361

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
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

AddAtomA
AddVectoredExceptionHandler
CloseHandle
CreateEventA
CreateMutexA
CreateMutexW
CreateSemaphoreA
DeleteCriticalSection
DuplicateHandle
EnterCriticalSection
FindAtomA
FindResourceW
FreeResource
GetAtomNameA
GetConsoleWindow
GetCurrentProcess
GetCurrentProcessId
GetCurrentThread
GetCurrentThreadId
GetHandleInformation
GetLastError
GetModuleFileNameW
GetProcessAffinityMask
GetStartupInfoA
GetSystemTimeAsFileTime
GetThreadContext
GetThreadPriority
GetTickCount
InitializeCriticalSection
IsDBCSLeadByteEx
IsDebuggerPresent
LeaveCriticalSection
LoadResource
LockResource
MultiByteToWideChar
OpenProcess
OutputDebugStringA
QueryPerformanceCounter
QueryPerformanceFrequency
RaiseException
ReleaseMutex
ReleaseSemaphore
RemoveVectoredExceptionHandler
ResetEvent
ResumeThread
RtlAddFunctionTable
RtlCaptureContext
RtlLookupFunctionEntry
RtlUnwindEx
RtlVirtualUnwind
SetEvent
SetLastError
SetProcessAffinityMask
SetThreadContext
SetThreadPriority
SetUnhandledExceptionFilter
SizeofResource
Sleep
SuspendThread
TerminateProcess
TlsAlloc
TlsGetValue
TlsSetValue
TryEnterCriticalSection
UnhandledExceptionFilter
VirtualProtect
VirtualQuery
WaitForMultipleObjects
WaitForSingleObject
WideCharToMultiByte
WinExec

msvcrt

__C_specific_handler
___lc_codepage_func
___mb_cur_max_func
__doserrno
__getmainargs
__initenv
__iob_func
__lconv_init
__set_app_type
__setusermatherr
_access
_acmdln
_amsg_exit
_beginthreadex
_cexit
_endthreadex
_errno
_fdopen
_filelengthi64
_fileno
_fileno
_fmode
_fstat64
_initterm
_localtime64
_lock
_lseeki64
_memccpy
_onexit
_read
_setjmp
_strdup
_strnicmp
_time64
_ultoa
_unlock
_wfopen
_write
abort
calloc
exit
fclose
fflush
fgetpos
fopen
fprintf
fputc
fputs
fread
free
fsetpos
fwrite
getc
getwc
isspace
iswctype
localeconv
longjmp
malloc
memchr
memcmp
memcpy
memmove
memset
printf
putc
putwc
realloc
setlocale
setvbuf
signal
sprintf
strcmp
strcoll
strcpy
strerror
strftime
strlen
strncmp
strxfrm
toupper
towlower
towupper
ungetc
ungetwc
vfprintf
wcscoll
wcsftime
wcslen
wcsxfrm

shell32

SHGetFolderPathW

user32

GetAsyncKeyState
GetForegroundWindow
GetKeyState
GetKeyboardLayout
GetKeyboardState
GetMessageW
GetWindowTextA
GetWindowThreadProcessId
ShowWindow
ToUnicodeEx

ws2_32

WSACleanup
WSAStartup
closesocket
connect
freeaddrinfo
getaddrinfo
send
socket

Sections

.text
Size: 798KB - Virtual size: 798KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 12KB - Virtual size: 11KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rdata
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.pdata
Size: 49KB - Virtual size: 48KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.xdata
Size: 70KB - Virtual size: 69KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.bss
Size: - Virtual size: 5KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.idata
Size: 6KB - Virtual size: 6KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.CRT
Size: 512B - Virtual size: 112B

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: 451KB - Virtual size: 451KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Resubmissions

Sharing

General

Malware Config

Signatures

Files

5f87a76a58e23da0bbe7478c2d4eb361

Headers

File Characteristics

Imports

kernel32

msvcrt

shell32

user32

ws2_32

Sections

.text Size: 798KB - Virtual size: 798KB

.data Size: 12KB - Virtual size: 11KB

.rdata Size: 70KB - Virtual size: 69KB

.pdata Size: 49KB - Virtual size: 48KB

.xdata Size: 70KB - Virtual size: 69KB

.bss Size: - Virtual size: 5KB

.idata Size: 6KB - Virtual size: 6KB

.CRT Size: 512B - Virtual size: 112B

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

.rsrc Size: 451KB - Virtual size: 451KB

.text
Size: 798KB - Virtual size: 798KB

.data
Size: 12KB - Virtual size: 11KB

.rdata
Size: 70KB - Virtual size: 69KB

.pdata
Size: 49KB - Virtual size: 48KB

.xdata
Size: 70KB - Virtual size: 69KB

.bss
Size: - Virtual size: 5KB

.idata
Size: 6KB - Virtual size: 6KB

.CRT
Size: 512B - Virtual size: 112B

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

.rsrc
Size: 451KB - Virtual size: 451KB