dtsh[.]dll | Triage

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General

Target

dtsh.dll
Size

30KB
MD5

00ec4fd380548c105a19e6e0ba28fb61
SHA1

b31bc9d0e523d9b0a0e100c8609e9c0a0d2a0333
SHA256

4aac41e2539c2068ce1e4af5c1136f5ca08db1a0de5fdccbf64060928e32bae7
SHA512

a1a5d1e01fd3379a9042b107cdcc6e2d8d83333ad9c8e9dbc35eb3b7f9b0da337e62e0bd1514803a79a77c8258949d69364328f39449ace1519d2fd9d593f931
SSDEEP

384:6uFMgA5AILVJIDcs7oEOYJ3g+mcUPvA8a7z2qrTcW7SWnjilSfbA47DEt6Dy:ogtIL0Dcs33DevufxHmo

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dtsh.dll

Files

dtsh.dll
.dll windows:10 windows x86 arch:x86

24f67d6ec03aaaa7dece45d6b961561d

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

dtsh.pdb

Imports

msvcrt

_purecall
_onexit
__dllonexit
_unlock
_lock
_except_handler4_common
_initterm
_amsg_exit
_XcptFilter
_callnewh
malloc
memmove_s
calloc
_beginthreadex
free
memset

advapi32

RegQueryValueExW
RegOpenKeyExW
RegCloseKey
ChangeServiceConfigW
StartServiceW
ControlService
OpenServiceW
QueryServiceConfigW
CloseServiceHandle
OpenSCManagerW

kernel32

ActivateActCtx
LoadLibraryExW
CreateActCtxW
GetModuleHandleW
SetUnhandledExceptionFilter
GetProcAddress
GetCurrentProcess
TerminateProcess
GetCurrentThreadId
DeactivateActCtx
GetModuleFileNameW
GetSystemTimeAsFileTime
GetTickCount
ReleaseActCtx
EnterCriticalSection
LeaveCriticalSection
InitializeCriticalSection
GetLastError
DeleteCriticalSection
RaiseException
Sleep
CreateEventW
CloseHandle
SetEvent
WaitForSingleObject
OpenEventW
DisableThreadLibraryCalls
GetCurrentProcessId
QueryPerformanceCounter
UnhandledExceptionFilter

user32

SetProcessDPIAware

rpcrt4

IUnknown_Release_Proxy
NdrCStdStubBuffer_Release
NdrDllCanUnloadNow
NdrDllGetClassObject
CStdStubBuffer_Connect
CStdStubBuffer_IsIIDSupported
IUnknown_QueryInterface_Proxy
CStdStubBuffer_Disconnect
CStdStubBuffer_DebugServerRelease
NdrOleAllocate
CStdStubBuffer_QueryInterface
CStdStubBuffer_Invoke
IUnknown_AddRef_Proxy
CStdStubBuffer_DebugServerQueryInterface
NdrOleFree
CStdStubBuffer_AddRef
CStdStubBuffer_CountRefs

oleaut32

SysAllocString
SysFreeString

firewallapi

FWChangeNotificationCreate
FWChangeNotificationDestroy

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

CoSetProxyBlanket
CoGetMalloc
CoTaskMemAlloc
CoTaskMemRealloc
CoCreateInstance
CoTaskMemFree

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

HWND_UserMarshal
HWND_UserSize
HWND_UserFree
HWND_UserUnmarshal

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

ObjectStublessClient4
ObjectStublessClient7
ObjectStublessClient6
ObjectStublessClient5
ObjectStublessClient3

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 16KB - Virtual size: 15KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.rsrc
Size: 8KB - Virtual size: 7KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

24f67d6ec03aaaa7dece45d6b961561d

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

advapi32

kernel32

user32

rpcrt4

oleaut32

firewallapi

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

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

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

Exports

Exports

Sections

.text Size: 16KB - Virtual size: 15KB

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

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

.rsrc Size: 8KB - Virtual size: 7KB

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

.text
Size: 16KB - Virtual size: 15KB

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

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

.rsrc
Size: 8KB - Virtual size: 7KB

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