Windows[.]Storage[.]Compression[.]dll

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General

Target

Windows.Storage.Compression.dll
Size

123KB
MD5

78ed8570a8ec7db07ca78489c8ad25c0
SHA1

b052ab21f7ce559ed06f222d5922af8f4cb45404
SHA256

ae4a0e723066bbf729600bc5c9b2b4673175601a33a6cf06d9d4bce2ae8ae001
SHA512

e876035198c8101d6ca91a00c8895869adce02178949c4854224b970f1b718fcf0dfd767ca5dfc02b2eb68417898ee7f44ed9c8a603c7c6ad06e2b9e224c1158
SSDEEP

3072:J760dXC1s/qGGSZSRg1gVGRsOHuFMJgn:x60dXC1LG1Ss1ROFh

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
Windows.Storage.Compression.dll

Files

Windows.Storage.Compression.dll
.dll regsvr32 windows:6 windows x86 arch:x86

25f9fb70dd5e6ce8344dfe6fe026e91d

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

Windows.Storage.Compression.pdb

Imports

msvcrt

free
_except_handler4_common
_amsg_exit
__CxxFrameHandler3
??2@YAPAXI@Z
_onexit
__dllonexit
_unlock
_lock
?terminate@@YAXXZ
??_V@YAXPAX@Z
_initterm
memcmp
_XcptFilter
??1type_info@@UAE@XZ
??3@YAXPAX@Z
_purecall
malloc
memcpy

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

DecodePointer
EncodePointer

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

Sleep
InitOnceExecuteOnce
ReleaseSRWLockExclusive
AcquireSRWLockExclusive
ReleaseSRWLockShared
AcquireSRWLockShared
WakeAllConditionVariable
WakeConditionVariable
SleepConditionVariableSRW
InitializeConditionVariable
InitializeSRWLock

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

DisableThreadLibraryCalls

rpcrt4

NdrDllGetClassObject
NdrOleFree
NdrStubForwardingFunction
NdrOleAllocate
NdrStubCall2
IUnknown_Release_Proxy
IUnknown_AddRef_Proxy
NdrDllRegisterProxy
NdrDllUnregisterProxy
IUnknown_QueryInterface_Proxy
NdrCStdStubBuffer2_Release
NdrDllCanUnloadNow

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

QueryPerformanceCounter

api-ms-win-core-processthreads-l1-1-2

OpenProcess
OpenProcessToken
GetCurrentProcessId
GetCurrentThreadId
GetCurrentProcess
TerminateProcess

api-ms-win-core-sysinfo-l1-2-1

GetTickCount
GetSystemTimeAsFileTime

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

RaiseException
GetLastError
SetUnhandledExceptionFilter
UnhandledExceptionFilter

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

CreateThreadpoolWork
CloseThreadpool
CreateThreadpool
CloseThreadpoolWork
SubmitThreadpoolWork

api-ms-win-security-base-l1-2-0

GetTokenInformation

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

CloseHandle

combase

ord33
ord5
ord34
ord32
ord6

ntdll

RtlComputeCrc32

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

ResolveDelayLoadedAPI
DelayLoadFailureHook

Exports

Exports

DllCanUnloadNow
DllGetActivationFactory
DllGetClassObject
DllRegisterServer
DllUnregisterServer

Sections

.text
Size: 80KB - Virtual size: 80KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.orpc
Size: 512B - Virtual size: 229B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 25KB - Virtual size: 26KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

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: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

25f9fb70dd5e6ce8344dfe6fe026e91d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

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

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

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

rpcrt4

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

api-ms-win-core-processthreads-l1-1-2

api-ms-win-core-sysinfo-l1-2-1

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

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

api-ms-win-security-base-l1-2-0

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

combase

ntdll

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

Exports

Exports

Sections

.text Size: 80KB - Virtual size: 80KB

.orpc Size: 512B - Virtual size: 229B

.data Size: 25KB - Virtual size: 26KB

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

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

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

.reloc Size: 11KB - Virtual size: 10KB

.text
Size: 80KB - Virtual size: 80KB

.orpc
Size: 512B - Virtual size: 229B

.data
Size: 25KB - Virtual size: 26KB

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

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

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

.reloc
Size: 11KB - Virtual size: 10KB