Release[.]rar | Triage

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General

Target

Release.rar
Size

6.7MB
MD5

c6355db74fda9ffce0e01eddbb5274fb
SHA1

1da2003b84f95afe52f8879327b8f85840eb71d1
SHA256

2c554758c8c01d147e940e6a4cbd6ee44e0d8fe22351938df800d2d76bd45f7d
SHA512

a0a1cf5e92d32f9ae600456382ceb7e4cfaba84854be4a5a396f33b9524bf8bfa900c8a2abbb455779e502d6c78fabbe2b0561f2b28ba57ebca6601548e77e7f
SSDEEP

196608:BbOf42ByXRcG6Kco/maHPpaPEPY857IDh/hYVjg1z6sDK:tOfVYXRZcoOePgEP557AUkre

Score

7^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
static1/unpack001/Release/loader.exe	upx

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/Release/dlls/fortnite_undetected.dll
unpack001/Release/loader.exe

Files

Release.rar
.rar
Release/dlls/fortnite_undetected.dll
.dll windows:6 windows x64 arch:x64

fa5f3a2dd0778f55c19cd152d2e788d1

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

kernel32

SuspendThread
ResumeThread
CreateToolhelp32Snapshot
Sleep
HeapReAlloc
CloseHandle
HeapAlloc
HeapDestroy
GetThreadContext
GetProcAddress
GetCurrentProcessId
GetModuleHandleW
FlushInstructionCache
SetThreadContext
OpenThread
MultiByteToWideChar
GlobalAlloc
GlobalFree
GlobalLock
WideCharToMultiByte
GlobalUnlock
WaitForSingleObject
GetModuleHandleA
CreateEventW
LoadLibraryA
VirtualProtect
Thread32First
QueryPerformanceCounter
FreeLibraryAndExitThread
DisableThreadLibraryCalls
FreeConsole
CreateRemoteThread
HeapCreate
InitializeSListHead
GetSystemTimeAsFileTime
IsDebuggerPresent
WaitForSingleObjectEx
ResetEvent
SetEvent
DeleteCriticalSection
InitializeCriticalSectionAndSpinCount
LeaveCriticalSection
EnterCriticalSection
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
VirtualQuery
GetSystemInfo
GetCurrentThreadId
Thread32Next
GetCurrentProcess
HeapFree
VirtualAlloc
QueryPerformanceFrequency
VirtualFree

user32

DefWindowProcW
CallWindowProcW
DestroyWindow
SetWindowLongPtrW
CreateWindowExW
UnregisterClassW
GetWindowLongPtrW
RegisterClassExW
TrackMouseEvent
FindWindowA
GetKeyState
ScreenToClient
GetCapture
ClientToScreen
GetForegroundWindow
LoadCursorW
SetCapture
SetCursor
GetClientRect
IsWindowUnicode
ReleaseCapture
SetCursorPos
SetClipboardData
GetCursorPos
OpenClipboard
CloseClipboard
EmptyClipboard
GetClipboardData
GetAsyncKeyState

msvcp140

??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?_Xlength_error@std@@YAXPEBD@Z
_Query_perf_frequency
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?uncaught_exception@std@@YA_NXZ
_Thrd_sleep
_Query_perf_counter
_Xtime_get_ticks
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z

imm32

ImmSetCandidateWindow
ImmReleaseContext
ImmGetContext
ImmSetCompositionWindow

d3dcompiler_47

D3DCompile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

wcsstr
memmove
__std_type_info_destroy_list
memset
_CxxThrowException
__C_specific_handler
__current_exception_context
__current_exception
strstr
__std_exception_copy
__std_exception_destroy
memcpy
memchr
memcmp

api-ms-win-crt-runtime-l1-1-0

_crt_atexit
terminate
_seh_filter_dll
_invalid_parameter_noinfo_noreturn
_initterm_e
_configure_narrow_argv
_initialize_narrow_environment
_initterm
_register_onexit_function
_initialize_onexit_table
_cexit
_execute_onexit_table

api-ms-win-crt-stdio-l1-1-0

fread
__stdio_common_vsscanf
__stdio_common_vfprintf
fseek
__stdio_common_vsprintf
fflush
__acrt_iob_func
ftell
fwrite
_wfopen
fclose

api-ms-win-crt-utility-l1-1-0

qsort

api-ms-win-crt-string-l1-1-0

strcmp

api-ms-win-crt-heap-l1-1-0

_callnewh
malloc
free
calloc

api-ms-win-crt-math-l1-1-0

floorf
pow
ceilf
acosf
cosf
sinf
sqrt
sqrtf

Sections

.text
Size: 207KB - Virtual size: 207KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 53KB - Virtual size: 52KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 336KB - Virtual size: 337KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 492B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
Release/loader.exe
.exe windows:5 windows x64 arch:x64

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE

Sections

UPX0
Size: - Virtual size: 308KB

IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

UPX1
Size: 118KB - Virtual size: 120KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 68KB - Virtual size: 68KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
main.pyc

Sharing

General

Malware Config

Signatures

Files

fa5f3a2dd0778f55c19cd152d2e788d1

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

msvcp140

imm32

d3dcompiler_47

vcruntime140_1

vcruntime140

api-ms-win-crt-runtime-l1-1-0

api-ms-win-crt-stdio-l1-1-0

api-ms-win-crt-utility-l1-1-0

api-ms-win-crt-string-l1-1-0

api-ms-win-crt-heap-l1-1-0

api-ms-win-crt-math-l1-1-0

Sections

.text Size: 207KB - Virtual size: 207KB

.rdata Size: 53KB - Virtual size: 52KB

.data Size: 336KB - Virtual size: 337KB

.pdata Size: 11KB - Virtual size: 10KB

.reloc Size: 512B - Virtual size: 492B

Headers

DLL Characteristics

File Characteristics

Sections

UPX0 Size: - Virtual size: 308KB

UPX1 Size: 118KB - Virtual size: 120KB

.rsrc Size: 68KB - Virtual size: 68KB

.text
Size: 207KB - Virtual size: 207KB

.rdata
Size: 53KB - Virtual size: 52KB

.data
Size: 336KB - Virtual size: 337KB

.pdata
Size: 11KB - Virtual size: 10KB

.reloc
Size: 512B - Virtual size: 492B

UPX0
Size: - Virtual size: 308KB

UPX1
Size: 118KB - Virtual size: 120KB

.rsrc
Size: 68KB - Virtual size: 68KB