bthci[.]dll | Triage

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General

Target

bthci.dll
Size

41KB
MD5

583b799bb61eafa6f19e74d35ad5d731
SHA1

798a22e3c57b3848eb5ead3e906dde2533ebf636
SHA256

23f0585d07c48fdbc48f815a4448f297d7b245c542d189fdd5c514cfff51238c
SHA512

d6f505b8f74201eb7929502777bfe9906e64aca6d1fed050f230585669ad0137e5e9c84db545571110810fd5c5316cd2dbbe30e271c3302c6fb62ff2e5ab41c1
SSDEEP

768:gWCjFOUmKn5hEX00xC343bl7Zo5scMLAnI/ci:gW8FOqvEEsCEl7ZHcgAnc

Score

3^/10

Malware Config

Signatures

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
bthci.dll

Files

bthci.dll
.dll windows:6 windows x86 arch:x86

6906af18328b4afe9e451b28b7695a10

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

bthci.pdb

Imports

msvcrt

_except_handler4_common
wcsncmp
??3@YAXPAX@Z
_vsnwprintf
vswprintf_s
swprintf_s
tolower
_amsg_exit
_initterm
_XcptFilter
malloc
memset
??2@YAPAXI@Z
free

kernel32

GetSystemFirmwareTable
MultiByteToWideChar
InterlockedExchange
Sleep
InterlockedCompareExchange
QueryPerformanceCounter
GetTickCount
GetCurrentThreadId
GetCurrentProcessId
CompareStringW
TerminateProcess
GetCurrentProcess
UnhandledExceptionFilter
SetUnhandledExceptionFilter
lstrcmpiW
WideCharToMultiByte
GetModuleHandleW
GetProcAddress
LoadLibraryW
CreateFileW
DeviceIoControl
CloseHandle
lstrlenW
GetLastError
SetLastError
GetComputerNameW
LocalFree
DisableThreadLibraryCalls
GetModuleFileNameW
DeactivateActCtx
ActivateActCtx
ReleaseActCtx
CreateActCtxW
GetSystemTimeAsFileTime
LocalAlloc

user32

SetWindowLongW
GetWindowLongW
ShowWindow
EnableWindow
SendMessageW
LoadStringW
SetWindowTextW
IsWindowEnabled
GetWindowTextW
GetDlgItem
EndDialog
DialogBoxParamW
GetParent

advapi32

RegQueryInfoKeyW
RegEnumKeyExW
RegOpenKeyExW
RegEnumValueW
ConvertStringSecurityDescriptorToSecurityDescriptorW
RegSetKeySecurity
RegDeleteValueW
RegCreateKeyExW
RegCloseKey
RegQueryValueExW
RegSetValueExW

ole32

CoTaskMemAlloc
CoTaskMemFree

shlwapi

SHDeleteKeyW

setupapi

SetupDiGetClassDevsExW
CM_Get_Parent_Ex
SetupDiGetDeviceInfoListDetailW
SetupDiOpenDeviceInfoW
SetupLogErrorW
SetupCloseLog
SetupDiInstallDevice
SetupDiCreateDevRegKeyW
SetupOpenLog
SetupDiOpenDevRegKey
SetupDiGetDeviceRegistryPropertyW
SetupDiSetClassInstallParamsW
SetupDiGetClassInstallParamsW
SetupDiGetDeviceInstanceIdW
SetupDiDestroyDeviceInfoList
SetupDiEnumDeviceInfo
SetupDiCreateDeviceInfoList
CM_Get_DevNode_Registry_Property_ExW
CM_Get_Device_ID_ExW
SetupDiCreateDeviceInfoListExW

Exports

Exports

BluetoothClassInstaller

Sections

.text
Size: 28KB - Virtual size: 27KB

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: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ

Sharing

General

Malware Config

Signatures

Files

6906af18328b4afe9e451b28b7695a10

Headers

DLL Characteristics

File Characteristics

PDB Paths

Imports

msvcrt

kernel32

user32

advapi32

ole32

shlwapi

setupapi

Exports

Exports

Sections

.text Size: 28KB - Virtual size: 27KB

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

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

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

.text
Size: 28KB - Virtual size: 27KB

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

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

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