DEXUSCS2[.]zip

Sharing

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General

Target

DEXUSCS2.zip
Size

259KB
MD5

bf76c559fa86fbf8de398a54d07498e6
SHA1

56e0334a82e225f006199af93aa79baf0699e01e
SHA256

acace373b564c0a92a0e995d6bdf2575f5a364f73af4166c7b83c420727ffc9f
SHA512

6ac70de8c74a4685772f55cba009109c6685f66943b807b86768c37dd8461614973c9b73441d2758ddd7a4cad1392d3a218badf3c91501bf22ec8003cf19e4da
SSDEEP

6144:nnwhbrMldcsp1UG51BNrzRDCCwi2YYAM098QwSt2Fh/:n8vMlrWG51BNrFeCr2nAM0+QsT/

Score

3^/10

Malware Config

Signatures

Unsigned PE 2 IoCs

Checks for missing Authenticode signature.

resource
unpack001/DEXUSCS2/Dexus.dll
unpack001/DEXUSCS2/Dexus.exe

Files

DEXUSCS2.zip
.zip
DEXUSCS2/Dexus.dll
.dll windows:6 windows x64 arch:x64

0abcbeba6a48d998a1951a536be7bc74

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

QueryPerformanceCounter
VirtualFree
VirtualAlloc
GetSystemInfo
VirtualQuery
HeapCreate
VirtualProtect
HeapFree
GetCurrentProcess
Thread32Next
Thread32First
GetCurrentThreadId
SuspendThread
ResumeThread
CreateToolhelp32Snapshot
Sleep
HeapReAlloc
CloseHandle
HeapAlloc
GetThreadContext
GetCurrentProcessId
WideCharToMultiByte
VerSetConditionMask
OpenThread
DisableThreadLibraryCalls
CreateThread
GlobalLock
InitializeSListHead
GetSystemTimeAsFileTime
IsDebuggerPresent
IsProcessorFeaturePresent
TerminateProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
SleepConditionVariableSRW
WakeAllConditionVariable
AcquireSRWLockExclusive
ReleaseSRWLockExclusive
GlobalFree
GlobalAlloc
FreeLibrary
GetProcAddress
QueryPerformanceFrequency
LoadLibraryA
SetThreadContext
GlobalUnlock
MultiByteToWideChar
FlushInstructionCache
GetModuleHandleA

user32

GetSystemMetrics
CallWindowProcA
SetWindowLongPtrA
GetWindowLongW
AdjustWindowRectEx
GetKeyState
LoadCursorA
DestroyWindow
GetDC
SetWindowPos
MonitorFromWindow
EnumDisplayMonitors
ScreenToClient
SetWindowTextW
WindowFromPoint
ShowWindow
GetCapture
SetWindowLongA
ClientToScreen
IsChild
TrackMouseEvent
SetWindowLongW
GetMonitorInfoA
GetForegroundWindow
DefWindowProcA
CreateWindowExA
SetLayeredWindowAttributes
SetFocus
BringWindowToTop
SetCapture
SetCursor
GetAsyncKeyState
GetClientRect
UnregisterClassA
mouse_event
GetCursorPos
SetClipboardData
GetClipboardData
EmptyClipboard
CloseClipboard
OpenClipboard
ReleaseDC
SetCursorPos
IsIconic
SetForegroundWindow
ReleaseCapture
RegisterClassExA

gdi32

GetDeviceCaps

msvcp140

_Thrd_detach
?_Throw_Cpp_error@std@@YAXH@Z
?_Xlength_error@std@@YAXPEBD@Z
_Mtx_lock
_Mtx_unlock
_Query_perf_frequency
_Query_perf_counter

imm32

ImmAssociateContextEx
ImmSetCompositionWindow
ImmReleaseContext
ImmGetContext
ImmSetCandidateWindow

d3dcompiler_47

D3DCompile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

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

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

malloc
free
calloc
_callnewh

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

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

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

ftell
__acrt_iob_func
fflush
fclose
fseek
__stdio_common_vfprintf
__stdio_common_vsscanf
__stdio_common_vsprintf
_wfopen
fwrite
fread

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

strcmp
strncpy
strncmp

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

qsort

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

atof

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

cosf
ceilf
atan2f
acosf
_hypotf
powf
sinf
sqrtf
fmodf

Sections

.text
Size: 359KB - Virtual size: 358KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 59KB - Virtual size: 58KB

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: 15KB - Virtual size: 15KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 240B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
DEXUSCS2/Dexus.exe
.exe windows:6 windows x64 arch:x64

a7813427e446dc5799e5e20e54aa17c9

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

WriteProcessMemory
GetModuleHandleA
Sleep
GetLastError
LoadLibraryA
CloseHandle
GetProcAddress
VirtualAllocEx
ReadProcessMemory
VirtualFreeEx
Process32First
OpenProcess
CreateToolhelp32Snapshot
Process32Next
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
GetCurrentProcess
TerminateProcess
IsProcessorFeaturePresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead
IsDebuggerPresent
GetModuleHandleW
RtlCaptureContext

msvcp140

?in@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?out@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEBD1AEAPEBDPEAD3AEAPEAD@Z
?setstate@?$basic_ios@DU?$char_traits@D@std@@@std@@QEAAXH_N@Z
??1?$basic_streambuf@DU?$char_traits@D@std@@@std@@UEAA@XZ
?showmanyc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JXZ
?xsgetn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEAD_J@Z
?xsputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@MEAA_JPEBD_J@Z
??1?$basic_ios@DU?$char_traits@D@std@@@std@@UEAA@XZ
??1?$basic_istream@DU?$char_traits@D@std@@@std@@UEAA@XZ
??0?$basic_ios@DU?$char_traits@D@std@@@std@@IEAA@XZ
?seekg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@_JH@Z
?tellg@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA?AV?$fpos@U_Mbstatet@@@2@XZ
??7ios_base@std@@QEBA_NXZ
?always_noconv@codecvt_base@std@@QEBA_NXZ
??Bid@locale@std@@QEAA_KXZ
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?cin@std@@3V?$basic_istream@DU?$char_traits@D@std@@@1@A
?sputn@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAA_JPEBD_J@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?_Osfx@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAXXZ
?sputc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEAAHD@Z
?flush@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@XZ
??6?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV01@P6AAEAV01@AEAV01@@Z@Z
?get@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAHXZ
?good@ios_base@std@@QEBA_NXZ
??0?$basic_istream@DU?$char_traits@D@std@@@std@@QEAA@PEAV?$basic_streambuf@DU?$char_traits@D@std@@@1@_N@Z
??1_Lockit@std@@QEAA@XZ
??0_Lockit@std@@QEAA@H@Z
?_Init@?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAAXXZ
?_Getgloballocale@locale@std@@CAPEAV_Locimp@12@XZ
?id@?$codecvt@DDU_Mbstatet@@@std@@2V0locale@2@A
?_Fiopen@std@@YAPEAU_iobuf@@PEBDHH@Z
?_Xlength_error@std@@YAXPEBD@Z
?_Getcat@?$codecvt@DDU_Mbstatet@@@std@@SA_KPEAPEBVfacet@locale@2@PEBV42@@Z
??0?$basic_streambuf@DU?$char_traits@D@std@@@std@@IEAA@XZ
?getloc@?$basic_streambuf@DU?$char_traits@D@std@@@std@@QEBA?AVlocale@2@XZ
?unshift@?$codecvt@DDU_Mbstatet@@@std@@QEBAHAEAU_Mbstatet@@PEAD1AEAPEAD@Z
?read@?$basic_istream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@PEAD_J@Z

wininet

InternetCloseHandle
InternetOpenUrlA
InternetOpenA
InternetReadFile

vcruntime140_1

__CxxFrameHandler4

vcruntime140

__current_exception
_CxxThrowException
__C_specific_handler
__current_exception_context
__std_exception_copy
__std_exception_destroy
memmove
memcmp
memcpy
__std_terminate
memset

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

setvbuf
fgetpos
fwrite
fsetpos
_fseeki64
fgetc
fclose
fflush
fputc
ungetc
_get_stream_buffer_pointers
__p__commode
_set_fmode
fread

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

_lock_file
_unlock_file

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

__p___argv
_seh_filter_exe
_c_exit
_register_thread_local_exe_atexit_callback
_set_app_type
_exit
exit
_initialize_onexit_table
_register_onexit_function
_crt_atexit
terminate
_initterm_e
_initterm
_get_initial_narrow_environment
_invalid_parameter_noinfo_noreturn
_initialize_narrow_environment
__p___argc
_configure_narrow_argv
_cexit

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

isspace

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

_set_new_mode
malloc
_callnewh
free

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 22KB - Virtual size: 21KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 14KB - Virtual size: 13KB

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: 1KB - 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: 164B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

0abcbeba6a48d998a1951a536be7bc74

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

user32

gdi32

msvcp140

imm32

d3dcompiler_47

vcruntime140_1

vcruntime140

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

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

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

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

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

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

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

Sections

.text Size: 359KB - Virtual size: 358KB

.rdata Size: 59KB - Virtual size: 58KB

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

.pdata Size: 15KB - Virtual size: 15KB

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

.reloc Size: 512B - Virtual size: 240B

a7813427e446dc5799e5e20e54aa17c9

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

msvcp140

wininet

vcruntime140_1

vcruntime140

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

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

api-ms-win-crt-runtime-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

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

Sections

.text Size: 22KB - Virtual size: 21KB

.rdata Size: 14KB - Virtual size: 13KB

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

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

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

.reloc Size: 512B - Virtual size: 164B

.text
Size: 359KB - Virtual size: 358KB

.rdata
Size: 59KB - Virtual size: 58KB

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

.pdata
Size: 15KB - Virtual size: 15KB

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

.reloc
Size: 512B - Virtual size: 240B

.text
Size: 22KB - Virtual size: 21KB

.rdata
Size: 14KB - Virtual size: 13KB

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

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

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

.reloc
Size: 512B - Virtual size: 164B