b6fc44e3d12368778c4cc675373c6e7d0e6183d852b7288588f2c03504b18e5e

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General

Target

b6fc44e3d12368778c4cc675373c6e7d0e6183d852b7288588f2c03504b18e5e
Size

250KB
MD5

802e6abedb85ea6c2f8b309f3ce70370
SHA1

785eed906153a0478cb8f5540bb783160f982a60
SHA256

b6fc44e3d12368778c4cc675373c6e7d0e6183d852b7288588f2c03504b18e5e
SHA512

bab96a471246e3584b6ca68160bc230c8b7845a0067dcc2f2a6159da568c2e2bf91da4cbeef7daee2d8ee092688116134db8420bdd153eb5ffbfaba7a60ec0b1
SSDEEP

6144:R+BclRDvO4SIA1AT+UBiPVCi55bdbP9GwCUKMCux:gCbDvJAmTs9C+hGaCk

Score

8^/10

upx

Malware Config

Signatures

UPX packed file 1 IoCs

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

upx

resource	yara_rule
sample	upx

Files

b6fc44e3d12368778c4cc675373c6e7d0e6183d852b7288588f2c03504b18e5e
.exe windows x86

9075197d6d027ae1ac5deb25f9cd953d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

arkshell

arkRegisterCallback
arkEndApp
arkStartApp

arkmodule

arkModuleRequire

kernel32

GetSystemTimeAsFileTime
GetTickCount
QueryPerformanceCounter
IsDebuggerPresent
UnhandledExceptionFilter
GetStartupInfoW
HeapAlloc
InitializeCriticalSection
SetUnhandledExceptionFilter
CloseHandle
EnterCriticalSection
GetCurrentProcessId
VirtualAllocEx
WriteProcessMemory
GetCurrentProcess
CreateEventW
SearchPathW
WaitForSingleObject
TerminateProcess
GetModuleFileNameW
GetModuleHandleW
GetProcessHeap
SetErrorMode
GetProcAddress
GetCurrentThreadId
CreateProcessW
DuplicateHandle
WideCharToMultiByte
InterlockedCompareExchange
Sleep
InterlockedExchange

user32

WaitMessage
PeekMessageW
DispatchMessageW
TranslateMessage

msvcr80

?terminate@@YAXXZ
_unlock
__dllonexit
_lock
_onexit
_decode_pointer
_except_handler4_common
_invoke_watson
_controlfp_s
_crt_debugger_hook
__set_app_type
_encode_pointer
__p__fmode
__p__commode
_adjust_fdiv
__setusermatherr
_configthreadlocale
_initterm_e
_initterm
_wcmdln
exit
_exit
_cexit
__wgetmainargs
_amsg_exit
??_U@YAPAXI@Z
??_V@YAXPAX@Z
__CxxFrameHandler3
memset
wcslen
_snwprintf
memcpy
_XcptFilter

msvcp80

??4?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAEAAV01@PBD@Z
?find_last_of@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBEI_WI@Z
?substr@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QBE?AV12@II@Z
?npos@?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@2IB
??$?H_WU?$char_traits@_W@std@@V?$allocator@_W@1@@std@@YA?AV?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@0@ABV10@PB_W@Z
??0?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
??1?$basic_string@DU?$char_traits@D@std@@V?$allocator@D@2@@std@@QAE@XZ
??0?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAE@PB_W@Z
??0?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAE@ABV01@@Z
??1?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAE@XZ
??4?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAAV01@ABV01@@Z
??A?$basic_string@_WU?$char_traits@_W@std@@V?$allocator@_W@2@@std@@QAEAA_WI@Z

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 952B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 1KB - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.UPX
Size: 238KB - Virtual size: 240KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

Sharing

General

Malware Config

Signatures

Files

9075197d6d027ae1ac5deb25f9cd953d

Headers

DLL Characteristics

File Characteristics

Imports

arkshell

arkmodule

kernel32

user32

msvcr80

msvcp80

Sections

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

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

.data Size: 512B - Virtual size: 952B

.rsrc Size: 1KB - Virtual size: 1KB

.UPX Size: 238KB - Virtual size: 240KB

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

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

.data
Size: 512B - Virtual size: 952B

.rsrc
Size: 1KB - Virtual size: 1KB

.UPX
Size: 238KB - Virtual size: 240KB