iisetw[.]dll | Triage

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General

Target

iisetw.dll
Size

99KB
MD5

6f3ac42197b5c55c829a1839647ac880
SHA1

d5c236f9aa9d2aae6c93b676fed5b51a53221cf2
SHA256

767601253ec26a33e669532819f7ea94af8d3f2703a3c88e459cf1bfc2a37313
SHA512

975860887d899448715aeed4c4cb8613f85aa6d9ac23e6609359b65a910efed6d25ef0c57238cd702a91a6f00663ba412d72867204dcfac77910df4adb063e78
SSDEEP

1536:lHSj/mhJFAjBDsXsfI10dnDiMk7MJ+yTd6j5:lyE7AjDkwJjd6

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
iisetw.dll

Files

iisetw.dll
.dll windows:10 windows x64 arch:x64

a15983adb55a7a5baebf2d21d551a18d

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

PDB Paths

iisetw.pdb

Imports

msvcrt

__C_specific_handler
_initterm
_amsg_exit
_XcptFilter
_callnewh
malloc
free
towupper
wcschr
_wcsicmp
memset

api-ms-win-eventing-provider-l1-1-0

EventRegister
EventActivityIdControl
EventUnregister
EventWrite

api-ms-win-core-debug-l1-1-1

OutputDebugStringA
DebugBreak

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

Sleep

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

QueryPerformanceCounter

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

GetCurrentProcess
TerminateProcess
GetCurrentThreadId
GetCurrentProcessId

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

GetTickCount
GetSystemTimeAsFileTime

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

RtlCaptureContext
RtlVirtualUnwind
RtlLookupFunctionEntry

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

UnhandledExceptionFilter
SetUnhandledExceptionFilter

iisutil

?Copy@STRU@@QEAAJPEBGK@Z
PuDbgPrint
??0STRU@@QEAA@PEAGK@Z
?Clear@CLKRHashTable@@QEAAXXZ
?Resize@STRU@@QEAAJK@Z
?EtwTraceEvent@CEtwTracer@@QEAAKPEAU_ETW_TRACE_EVENT@@@Z
?InsertRecord@CLKRHashTable@@QEAA?AW4LK_RETCODE@@PEBX_N@Z
?Copy@STRU@@QEAAJPEBG@Z
?Append@STRU@@QEAAJPEBG@Z
?DeleteRecord@CLKRHashTable@@QEAA?AW4LK_RETCODE@@PEBX@Z
?UnRegister@CEtwTracer@@QEAAKXZ
?FindKey@CLKRHashTable@@QEBA?AW4LK_RETCODE@@_KPEAPEBX@Z
??0BUFFER@@QEAA@XZ
??1BUFFER@@QEAA@XZ
??0EVENT_LOG@@QEAA@PEBG@Z
?LogEvent@EVENT_LOG@@QEAAXKGQEAPEBGK@Z
?Register@CEtwTracer@@QEAAKPEBU_GUID@@PEAG1@Z
??1CLKRHashTable@@QEAA@XZ
??1STRU@@QEAA@XZ
??0CLKRHashTable@@QEAA@PEBDP6A?B_KPEBX@ZP6AK_K@ZP6A_N33@ZP6AX1H@ZNKK_N@Z
??0CEtwTracer@@QEAA@XZ
??1CEtwTracer@@QEAA@XZ

Exports

Exports

RegisterModule

Sections

.text
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.rdata
Size: 6KB - Virtual size: 5KB

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

.pdata
Size: 1024B - Virtual size: 516B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 512B - Virtual size: 96B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

a15983adb55a7a5baebf2d21d551a18d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

api-ms-win-eventing-provider-l1-1-0

api-ms-win-core-debug-l1-1-1

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

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-rtlsupport-l1-2-0

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

iisutil

Exports

Exports

Sections

.text Size: 10KB - Virtual size: 9KB

.rdata Size: 6KB - Virtual size: 5KB

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

.pdata Size: 1024B - Virtual size: 516B

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

.reloc Size: 512B - Virtual size: 96B

.text
Size: 10KB - Virtual size: 9KB

.rdata
Size: 6KB - Virtual size: 5KB

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

.pdata
Size: 1024B - Virtual size: 516B

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

.reloc
Size: 512B - Virtual size: 96B