build[.]zip | Triage

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General

Target

build.zip
Size

72KB
MD5

9abb3457954a6d6af0362673b9aa78ba
SHA1

d0c73ba5b4cd35bfafe92d43b6bcb10e72df6a3f
SHA256

0047d85902f0dab6e622f36d3d163fd3cbc68c0113a4eb885d7b1ae9f3dd4895
SHA512

5569831676f4d756db03cf7e68b7d9668f9ca0f9c6777194dc7f06135923dc2acc4d92f498f107760145161d634ac350e1854441bffaff73224992e4aa1fec4d
SSDEEP

1536:lsk1/PnGps+ZEwHa4lxWMQ1PddXVBtN6LVdoxdClTdPsk1/G:lMe+ZEg7WMQFddvxd6Vs

Score

3^/10

Malware Config

Signatures

Unsigned PE 3 IoCs

Checks for missing Authenticode signature.

resource
unpack001/build/exec_drv.sys
unpack001/build/exec_jector.exe
unpack001/build/exec_module.dll

Files

build.zip
.zip
build/exec_drv.sys
.exe windows 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

.text
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 1004B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 408B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
build/exec_jector.exe
.exe windows x64

7f9723d86ef9716bb88cde9462da1bd7

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

FreeLibrary
DeviceIoControl
GetTempPathA
GetProcAddress
GetLastError
GetCurrentThread
LeaveCriticalSection
LoadLibraryExA
VirtualAlloc
CloseHandle
CreateFileA
CreateFileW
WriteFile
GetCurrentProcess
VirtualFree
InitializeCriticalSectionAndSpinCount
DeleteCriticalSection
SetEvent
ResetEvent
WaitForSingleObjectEx
CreateEventW
GetModuleHandleW
RtlCaptureContext
RtlLookupFunctionEntry
RtlVirtualUnwind
UnhandledExceptionFilter
SetUnhandledExceptionFilter
TerminateProcess
IsProcessorFeaturePresent
EnterCriticalSection
IsDebuggerPresent
QueryPerformanceCounter
GetCurrentProcessId
GetCurrentThreadId
GetSystemTimeAsFileTime
InitializeSListHead

advapi32

LookupPrivilegeValueW
AdjustTokenPrivileges
OpenProcessToken
OpenThreadToken
RegCreateKeyA
RegDeleteTreeA
RegCloseKey
RegOpenKeyA
RegSetValueExA

msvcp140

?_Xbad_function_call@std@@YAXXZ
?_Xlength_error@std@@YAXPEBD@Z
?uncaught_exceptions@std@@YAHXZ
?cout@std@@3V?$basic_ostream@DU?$char_traits@D@std@@@1@A
?_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
?_Random_device@std@@YAIXZ
??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
?put@?$basic_ostream@DU?$char_traits@D@std@@@std@@QEAAAEAV12@D@Z
?widen@?$basic_ios@DU?$char_traits@D@std@@@std@@QEBADD@Z

vcruntime140_1

__CxxFrameHandler4

vcruntime140

memmove
_CxxThrowException
memset
__current_exception_context
__current_exception
__C_specific_handler
__std_exception_copy
__std_exception_destroy
__std_terminate
memcpy

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

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

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

_stricmp

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

_set_fmode
__stdio_common_vsprintf_s
__p__commode

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

_callnewh
free
malloc
_set_new_mode

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

__setusermatherr

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

_configthreadlocale

Sections

.text
Size: 339KB - Virtual size: 338KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 16KB - Virtual size: 16KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 27KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 3KB - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 512B - Virtual size: 488B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 120B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
build/exec_module.dll
.exe windows 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

.text
Size: 35KB - Virtual size: 34KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 1024B - Virtual size: 1004B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: - Virtual size: 40B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.pdata
Size: 512B - Virtual size: 408B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 35KB - Virtual size: 34KB

.rdata Size: 1024B - Virtual size: 1004B

.data Size: - Virtual size: 40B

.pdata Size: 512B - Virtual size: 408B

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

7f9723d86ef9716bb88cde9462da1bd7

Headers

DLL Characteristics

File Characteristics

Imports

kernel32

advapi32

msvcp140

vcruntime140_1

vcruntime140

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

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

api-ms-win-crt-stdio-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: 339KB - Virtual size: 338KB

.rdata Size: 16KB - Virtual size: 16KB

.data Size: 25KB - Virtual size: 27KB

.pdata Size: 3KB - Virtual size: 2KB

.rsrc Size: 512B - Virtual size: 488B

.reloc Size: 512B - Virtual size: 120B

Headers

DLL Characteristics

File Characteristics

Sections

.text Size: 35KB - Virtual size: 34KB

.rdata Size: 1024B - Virtual size: 1004B

.data Size: - Virtual size: 40B

.pdata Size: 512B - Virtual size: 408B

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

.text
Size: 35KB - Virtual size: 34KB

.rdata
Size: 1024B - Virtual size: 1004B

.data
Size: - Virtual size: 40B

.pdata
Size: 512B - Virtual size: 408B

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

.text
Size: 339KB - Virtual size: 338KB

.rdata
Size: 16KB - Virtual size: 16KB

.data
Size: 25KB - Virtual size: 27KB

.pdata
Size: 3KB - Virtual size: 2KB

.rsrc
Size: 512B - Virtual size: 488B

.reloc
Size: 512B - Virtual size: 120B

.text
Size: 35KB - Virtual size: 34KB

.rdata
Size: 1024B - Virtual size: 1004B

.data
Size: - Virtual size: 40B

.pdata
Size: 512B - Virtual size: 408B

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