Release[.]zip | Triage

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General

Target

Release.zip
Size

74KB
MD5

e9ce4b2c0f938f3e91c215e81777ed55
SHA1

38beca8e00d8856c4b1ea59e473fd0099cec2b78
SHA256

c80c34324dbef39289960ef11ab273fe8d82224385db23e9daaaa4e8d6f2c245
SHA512

afc7a425b4aef2446369111515a3d267853b5c878fa6d263c110791b4f45369f7d46f680b510ebaee343499cbade263c74bec13a79742447d53661156f32771f
SSDEEP

1536:fvoT+iojPrnV1xUMXGt19Bgz2B7yvK07cUuJifTEBjexh+eU:YYPB1rm19Bg6B7yjwtQT3dU

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
unpack001/OorBuster.exe

Files

Release.zip
.zip
OorBuster.exe
.exe windows:6 windows x86

d2ae7e25b9866e36764ed119156d9c46

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE

Imports

dxva2

GetPhysicalMonitorsFromHMONITOR
GetVCPFeatureAndVCPFeatureReply
SetVCPFeature

kernel32

GetModuleHandleW
GetStartupInfoW
IsDebuggerPresent
InitializeSListHead
TerminateProcess
GetModuleFileNameW
OpenProcess
CreateToolhelp32Snapshot
Sleep
Process32NextW
OutputDebugStringW
Process32FirstW
CloseHandle
GetCurrentProcessId
QueryPerformanceCounter
IsProcessorFeaturePresent
GetCurrentProcess
SetUnhandledExceptionFilter
UnhandledExceptionFilter
GetSystemTimeAsFileTime
GetCurrentThreadId

user32

RegisterHotKey
RegisterClassW
DispatchMessageW
GetActiveWindow
TrackPopupMenu
CreatePopupMenu
CreateWindowExW
TranslateMessage
DefWindowProcW
GetMessageW
PostQuitMessage
LoadIconW
DestroyMenu
EnumDisplaySettingsW
SetForegroundWindow
GetCursorPos
MonitorFromWindow
InsertMenuW
RegisterPowerSettingNotification

shell32

Shell_NotifyIconW

vcruntime140

__current_exception_context
__current_exception
memset
_except_handler4_common

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

_wsplitpath_s

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

wcscpy_s
wcscat_s

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

_set_new_mode
free
malloc

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

_c_exit
_register_thread_local_exe_atexit_callback
exit
_initterm_e
_initterm
_cexit
_register_onexit_function
_crt_atexit
_controlfp_s
terminate
_initialize_onexit_table
_set_app_type
_initialize_narrow_environment
_seh_filter_exe
_exit
_configure_narrow_argv
_get_narrow_winmain_command_line

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

__setusermatherr

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

_set_fmode
__p__commode

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

_configthreadlocale

Sections

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

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: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 34KB - Virtual size: 34KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 636B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
dxva2.dll
.dll windows:10 windows x64

1a53a2a99944f5f7b735af312de55e45

Code Sign

33:00:00:01:c4:22:b2:f7:9b:79:3d:ac:b2:00:00:00:00:01:c4
Certificate

Issuer

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

03/07/2018, 20:45

Not After

26/07/2019, 20:45

Subject

CN=Microsoft Windows,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Extended Key Usages

ExtKeyUsageCodeSigning

61:07:76:56:00:00:00:00:00:08
Certificate

Issuer

CN=Microsoft Root Certificate Authority 2010,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Not Before

19/10/2011, 18:41

Not After

19/10/2026, 18:51

Subject

CN=Microsoft Windows Production PCA 2011,O=Microsoft Corporation,L=Redmond,ST=Washington,C=US

Key Usages

KeyUsageDigitalSignature
KeyUsageCertSign
KeyUsageCRLSign

db:04:9e:fb:b3:93:b0:4f:33:5e:b7:bf:24:3f:32:0b:91:fe:45:42:1b:f5:33:9d:51:04:53:66:45:dc:e0:50
Signer

Actual PE Digest

db:04:9e:fb:b3:93:b0:4f:33:5e:b7:bf:24:3f:32:0b:91:fe:45:42:1b:f5:33:9d:51:04:53:66:45:dc:e0:50

Digest Algorithm

sha256

PE Digest Matches

true

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
IMAGE_FILE_DLL

Imports

msvcrt

_initterm
_XcptFilter
__C_specific_handler
memcpy
_amsg_exit
free
_callnewh
malloc
memset

api-ms-win-core-synch-l1-1-0

CreateEventW
DeleteCriticalSection
EnterCriticalSection
LeaveCriticalSection
WaitForSingleObject
InitializeCriticalSection
SetEvent

api-ms-win-core-handle-l1-1-0

CloseHandle

api-ms-win-core-sysinfo-l1-1-0

GetVersionExW
GetSystemTimeAsFileTime
GetTickCount

api-ms-win-core-com-l1-1-0

CoTaskMemFree
CoTaskMemAlloc

api-ms-win-core-synch-l1-2-0

Sleep

api-ms-win-core-libraryloader-l1-2-0

GetProcAddress
GetModuleHandleW
DisableThreadLibraryCalls

api-ms-win-core-errorhandling-l1-1-0

GetLastError
SetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

api-ms-win-core-profile-l1-1-0

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-0

TerminateProcess
GetCurrentProcess
GetCurrentThreadId
GetCurrentProcessId

api-ms-win-core-rtlsupport-l1-1-0

RtlCaptureContext
RtlVirtualUnwind
RtlLookupFunctionEntry

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

MultiByteToWideChar

ntdll

RtlInitUnicodeString
RtlNtStatusToDosError

api-ms-win-core-delayload-l1-1-1

ResolveDelayLoadedAPI

api-ms-win-core-delayload-l1-1-0

DelayLoadFailureHook

Exports

Exports

CapabilitiesRequestAndCapabilitiesReply
DXVA2CreateDirect3DDeviceManager9
DXVA2CreateVideoService
DXVAHD_CreateDevice
DegaussMonitor
DestroyPhysicalMonitor
DestroyPhysicalMonitors
GetCapabilitiesStringLength
GetMonitorBrightness
GetMonitorCapabilities
GetMonitorColorTemperature
GetMonitorContrast
GetMonitorDisplayAreaPosition
GetMonitorDisplayAreaSize
GetMonitorRedGreenOrBlueDrive
GetMonitorRedGreenOrBlueGain
GetMonitorTechnologyType
GetNumberOfPhysicalMonitorsFromHMONITOR
GetNumberOfPhysicalMonitorsFromIDirect3DDevice9
GetPhysicalMonitorsFromHMONITOR
GetPhysicalMonitorsFromIDirect3DDevice9
GetTimingReport
GetVCPFeatureAndVCPFeatureReply
OPMGetVideoOutputForTarget
OPMGetVideoOutputsFromHMONITOR
OPMGetVideoOutputsFromIDirect3DDevice9Object
RestoreMonitorFactoryColorDefaults
RestoreMonitorFactoryDefaults
SaveCurrentMonitorSettings
SaveCurrentSettings
SetMonitorBrightness
SetMonitorColorTemperature
SetMonitorContrast
SetMonitorDisplayAreaPosition
SetMonitorDisplayAreaSize
SetMonitorRedGreenOrBlueDrive
SetMonitorRedGreenOrBlueGain
SetVCPFeature

Sections

.text
Size: 90KB - Virtual size: 90KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.data
Size: 512B - Virtual size: 2KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.didat
Size: 512B - Virtual size: 80B

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

.reloc
Size: 1024B - Virtual size: 604B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

d2ae7e25b9866e36764ed119156d9c46

Headers

DLL Characteristics

File Characteristics

Imports

dxva2

kernel32

user32

shell32

vcruntime140

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

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

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

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

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

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

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

Sections

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

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

.data Size: 512B - Virtual size: 1KB

.rsrc Size: 34KB - Virtual size: 34KB

.reloc Size: 1024B - Virtual size: 636B

1a53a2a99944f5f7b735af312de55e45

Code Sign

33:00:00:01:c4:22:b2:f7:9b:79:3d:ac:b2:00:00:00:00:01:c4Certificate

Extended Key Usages

61:07:76:56:00:00:00:00:00:08Certificate

Key Usages

db:04:9e:fb:b3:93:b0:4f:33:5e:b7:bf:24:3f:32:0b:91:fe:45:42:1b:f5:33:9d:51:04:53:66:45:dc:e0:50Signer

Headers

DLL Characteristics

File Characteristics

Imports

msvcrt

api-ms-win-core-synch-l1-1-0

api-ms-win-core-handle-l1-1-0

api-ms-win-core-sysinfo-l1-1-0

api-ms-win-core-com-l1-1-0

api-ms-win-core-synch-l1-2-0

api-ms-win-core-libraryloader-l1-2-0

api-ms-win-core-errorhandling-l1-1-0

api-ms-win-core-profile-l1-1-0

api-ms-win-core-processthreads-l1-1-0

api-ms-win-core-rtlsupport-l1-1-0

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

ntdll

api-ms-win-core-delayload-l1-1-1

api-ms-win-core-delayload-l1-1-0

Exports

Exports

Sections

.text Size: 90KB - Virtual size: 90KB

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

.data Size: 512B - Virtual size: 2KB

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

.didat Size: 512B - Virtual size: 80B

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

.reloc Size: 1024B - Virtual size: 604B

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

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

.data
Size: 512B - Virtual size: 1KB

.rsrc
Size: 34KB - Virtual size: 34KB

.reloc
Size: 1024B - Virtual size: 636B

33:00:00:01:c4:22:b2:f7:9b:79:3d:ac:b2:00:00:00:00:01:c4
Certificate

61:07:76:56:00:00:00:00:00:08
Certificate

db:04:9e:fb:b3:93:b0:4f:33:5e:b7:bf:24:3f:32:0b:91:fe:45:42:1b:f5:33:9d:51:04:53:66:45:dc:e0:50
Signer

.text
Size: 90KB - Virtual size: 90KB

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

.data
Size: 512B - Virtual size: 2KB

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

.didat
Size: 512B - Virtual size: 80B

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

.reloc
Size: 1024B - Virtual size: 604B