dtsh[.]dll | Triage

Sharing

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General

Target

dtsh.dll
Size

31KB
MD5

0795aaf84172c2e3b605ccb3a6e91d4a
SHA1

fa4436dc2c12e60e990a452cf2f0e0262f80415b
SHA256

9ab20e665a2af06494bc43a7ebc3ea0e790183138e670a173974ff4ba6c708e3
SHA512

2e7ac908aeedb17e8b4e9a20e7d78ad2fd0d3c9cc020ef25dfc55917189eb28a14c553e967bf03d322bde09a6f73318aac9692d5c6f1265321b80246e2b82870
SSDEEP

384:1ty+4aDOQDYq/NsKSfgZxU9bt6kltAaEZuAlDT5OGm5eqaWw2SWFjilSfbA47DE+:HiCB/N7kYWUdm5eqZlmoVS

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
dtsh.dll

Files

dtsh.dll
.dll windows:6 windows x86 arch:x86

95ff3540d5df96450f75c08d4efd5f54

Headers

DLL Characteristics

IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DLL

PDB Paths

dtsh.pdb

Imports

msvcrt

_unlock
free
??2@YAPAXI@Z
memset
memmove_s
_beginthreadex
calloc
malloc
_onexit
_lock
__dllonexit
??3@YAXPAX@Z
_except_handler4_common
_amsg_exit
_initterm
_XcptFilter

advapi32

OpenServiceW
ControlService
StartServiceW
ChangeServiceConfigW
CloseServiceHandle
OpenSCManagerW
QueryServiceConfigW

kernel32

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

ole32

HWND_UserFree
HWND_UserUnmarshal
HWND_UserMarshal
HWND_UserSize
CoSetProxyBlanket
CoGetMalloc
CoTaskMemAlloc
CoTaskMemRealloc
CoCreateInstance
CoTaskMemFree

rpcrt4

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

oleaut32

SysFreeString
VarBstrCmp
SysAllocString

firewallapi

FWChangeNotificationDestroy
FWChangeNotificationCreate

Exports

Exports

DllCanUnloadNow
DllGetClassObject

Sections

.text
Size: 18KB - Virtual size: 17KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.orpc
Size: 512B - Virtual size: 51B

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 1024B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

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

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

95ff3540d5df96450f75c08d4efd5f54

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

advapi32

kernel32

ole32

rpcrt4

oleaut32

firewallapi

Exports

Exports

Sections

.text Size: 18KB - Virtual size: 17KB

.orpc Size: 512B - Virtual size: 51B

.data Size: 1024B - Virtual size: 1KB

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

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

.text
Size: 18KB - Virtual size: 17KB

.orpc
Size: 512B - Virtual size: 51B

.data
Size: 1024B - Virtual size: 1KB

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

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