Skin[.]Changer[.]zip

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General

Target

Skin.Changer.zip
Size

105KB
MD5

788567a422d4798bff0bd9d0b2a1cd51
SHA1

f86d800b6a46113ec6f33f95b28ee5fad61a5661
SHA256

3874c6de96bcdd3f5193a6bedf9f07e08aff27da66cb3f0943e54b357feec4e9
SHA512

2508d5f2c2a29e730334872c3628410ba23974d04bfa469f6ddb814b2847f60de64ff0b7ea6f7eaa8844869aae98d8bc8ffd8010c3d27381cf0e02894958acfc
SSDEEP

1536:cW43M92714TliygYTTTim2YDJAnQXQ5QYxbBuGyYTz/MCXn6J250X1gyMtb6KbhW:K3Mg7KliYum1kQ0PBuGyYTTMCp50l4fo

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/SkinChangerPro.dll
unpack001/hookloader.exe

Files

Skin.Changer.zip
.zip
SkinChangerPro.dll
.dll windows x64

fc0ce12b88d3ceda466dd1445fd2ea29

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

Imports

user32

CallNextHookEx

kernel32

GetModuleHandleExW
WriteConsoleW
WideCharToMultiByte
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSectionEx
DeleteCriticalSection
EncodePointer
DecodePointer
MultiByteToWideChar
GetStringTypeW
GetCPInfo
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetStartupInfoW
GetModuleHandleW
RtlUnwindEx
RtlPcToFileHeader
RaiseException
InterlockedFlushSList
GetLastError
SetLastError
InitializeCriticalSectionAndSpinCount
TlsAlloc
TlsGetValue
TlsSetValue
TlsFree
FreeLibrary
GetProcAddress
LoadLibraryExW
RtlUnwind
ExitProcess
GetModuleFileNameW
HeapAlloc
HeapFree
GetStdHandle
GetFileType
FlsAlloc
FlsGetValue
FlsSetValue
FlsFree
LCMapStringW
HeapReAlloc
FindClose
FindFirstFileExW
FindNextFileW
IsValidCodePage
GetACP
GetOEMCP
GetCommandLineA
GetCommandLineW
GetEnvironmentStringsW
FreeEnvironmentStringsW
GetProcessHeap
SetFilePointerEx
SetStdHandle
HeapSize
FlushFileBuffers
WriteFile
GetConsoleOutputCP
GetConsoleMode
CloseHandle
CreateFileW

Exports

Exports

Joking
NextHook

Sections

.text
Size: 104KB - Virtual size: 104KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 65KB - Virtual size: 64KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 6KB - Virtual size: 5KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

_RDATA
Size: 512B - Virtual size: 348B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 248B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 2KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
hookloader.exe
.exe windows x64

7fc9d35753708d657e98f7164e40e4d6

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

Imports

kernel32

InitializeCriticalSectionEx
GetFileAttributesW
GetLastError
GetProcAddress
DeleteCriticalSection
LoadLibraryExW
GetLocaleInfoEx
FormatMessageA
LocalFree
CreateFileW
FindClose
FindFirstFileW
GetFileAttributesExW
GetTempPathW
AreFileApisANSI
CloseHandle
GetModuleHandleW
GetFileInformationByHandleEx
MultiByteToWideChar
WideCharToMultiByte
IsDebuggerPresent
OutputDebugStringW
RtlCaptureContext
InitializeSListHead
GetSystemTimeAsFileTime
GetCurrentThreadId
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId

user32

SetWindowsHookExW
FindWindowW
UnhookWindowsHookEx
GetWindowThreadProcessId
PostThreadMessageW

msvcp140

?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_Winerror_map@std@@YAHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Syserror_map@std@@YAPEBDH@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
??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
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z

urlmon

URLDownloadToFileA

vcruntime140_1

__CxxFrameHandler4

vcruntime140

_CxxThrowException
memset
__current_exception
memmove
__std_terminate
__std_exception_copy
__std_exception_destroy
memcpy
__C_specific_handler
__current_exception_context

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

_callnewh
malloc
_set_new_mode
free

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

_initterm_e
_initterm
_get_initial_wide_environment
_initialize_wide_environment
_configure_wide_argv
_exit
_set_app_type
_seh_filter_exe
_register_thread_local_exe_atexit_callback
_register_onexit_function
_initialize_onexit_table
__p___argc
__p___wargv
exit
terminate
_cexit
_invalid_parameter_noinfo_noreturn
_c_exit
system
_crt_atexit

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

_configthreadlocale
___lc_codepage_func

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

__setusermatherr

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

__p__commode
_set_fmode

Sections

.text
Size: 21KB - Virtual size: 20KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 12KB - Virtual size: 12KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 2KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 480B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 160B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

fc0ce12b88d3ceda466dd1445fd2ea29

Headers

DLL Characteristics

File Characteristics

Imports

user32

kernel32

Exports

Exports

Sections

.text Size: 104KB - Virtual size: 104KB

.rdata Size: 65KB - Virtual size: 64KB

.data Size: 3KB - Virtual size: 12KB

.pdata Size: 6KB - Virtual size: 5KB

_RDATA Size: 512B - Virtual size: 348B

.rsrc Size: 512B - Virtual size: 248B

.reloc Size: 2KB - Virtual size: 2KB

7fc9d35753708d657e98f7164e40e4d6

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

msvcp140

urlmon

vcruntime140_1

vcruntime140

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

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

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

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

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

Sections

.text Size: 21KB - Virtual size: 20KB

.rdata Size: 12KB - Virtual size: 12KB

.data Size: 1024B - Virtual size: 2KB

.pdata Size: 2KB - Virtual size: 1KB

.rsrc Size: 512B - Virtual size: 480B

.reloc Size: 512B - Virtual size: 160B

.text
Size: 104KB - Virtual size: 104KB

.rdata
Size: 65KB - Virtual size: 64KB

.data
Size: 3KB - Virtual size: 12KB

.pdata
Size: 6KB - Virtual size: 5KB

_RDATA
Size: 512B - Virtual size: 348B

.rsrc
Size: 512B - Virtual size: 248B

.reloc
Size: 2KB - Virtual size: 2KB

.text
Size: 21KB - Virtual size: 20KB

.rdata
Size: 12KB - Virtual size: 12KB

.data
Size: 1024B - Virtual size: 2KB

.pdata
Size: 2KB - Virtual size: 1KB

.rsrc
Size: 512B - Virtual size: 480B

.reloc
Size: 512B - Virtual size: 160B